CVE-2024-49903: jfs: Fix uaf in dbFreeBits

Published Oct 21, 2024
·
Updated

In the Linux kernel, the following vulnerability has been resolved:

jfs: Fix uaf in dbFreeBits

[syzbot reported] ================================================================== BUG: KASAN: slab-use-after-free in mutexlockcommon kernel/locking/mutex.c:587 [inline] BUG: KASAN: slab-use-after-free in mutexlock+0xfe/0xd70 kernel/locking/mutex.c:752 Read of size 8 at addr ffff8880229254b0 by task syz-executor357/5216

CPU: 0 UID: 0 PID: 5216 Comm: syz-executor357 Not tainted 6.11.0-rc3-syzkaller-00156-gd7a5aa4b3c00 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 Call Trace: <TASK> dumpstack lib/dumpstack.c:93 [inline] dumpstacklvl+0x241/0x360 lib/dumpstack.c:119 printaddressdescription mm/kasan/report.c:377 [inline] printreport+0x169/0x550 mm/kasan/report.c:488 kasanreport+0x143/0x180 mm/kasan/report.c:601 mutexlockcommon kernel/locking/mutex.c:587 [inline] mutexlock+0xfe/0xd70 kernel/locking/mutex.c:752 dbFreeBits+0x7ea/0xd90 fs/jfs/jfsdmap.c:2390 dbFreeDmap fs/jfs/jfsdmap.c:2089 [inline] dbFree+0x35b/0x680 fs/jfs/jfsdmap.c:409 dbDiscardAG+0x8a9/0xa20 fs/jfs/jfsdmap.c:1650 jfsioctrim+0x433/0x670 fs/jfs/jfsdiscard.c:100 jfsioctl+0x2d0/0x3e0 fs/jfs/ioctl.c:131 vfsioctl fs/ioctl.c:51 [inline] dosysioctl fs/ioctl.c:907 [inline] sesysioctl+0xfc/0x170 fs/ioctl.c:893 dosyscallx64 arch/x86/entry/common.c:52 [inline] dosyscall64+0xf3/0x230 arch/x86/entry/common.c:83

Freed by task 5218: kasansavestack mm/kasan/common.c:47 [inline] kasansavetrack+0x3f/0x80 mm/kasan/common.c:68 kasansavefreeinfo+0x40/0x50 mm/kasan/generic.c:579 poisonslabobject+0xe0/0x150 mm/kasan/common.c:240 kasanslabfree+0x37/0x60 mm/kasan/common.c:256 kasanslabfree include/linux/kasan.h:184 [inline] slabfreehook mm/slub.c:2252 [inline] slabfree mm/slub.c:4473 [inline] kfree+0x149/0x360 mm/slub.c:4594 dbUnmount+0x11d/0x190 fs/jfs/jfsdmap.c:278 jfsmountrw+0x4ac/0x6a0 fs/jfs/jfsmount.c:247 jfsremount+0x3d1/0x6b0 fs/jfs/super.c:454 reconfiguresuper+0x445/0x880 fs/super.c:1083 vfscmdreconfigure fs/fsopen.c:263 [inline] vfsfsconfiglocked fs/fsopen.c:292 [inline] dosysfsconfig fs/fsopen.c:473 [inline] sesysfsconfig+0xb6e/0xf80 fs/fsopen.c:345 dosyscallx64 arch/x86/entry/common.c:52 [inline] dosyscall64+0xf3/0x230 arch/x86/entry/common.c:83 entrySYSCALL64afterhwframe+0x77/0x7f

[Analysis] There are two paths (dbUnmount and jfsioctrim) that generate race condition when accessing bmap, which leads to the occurrence of uaf.

Use the lock sumount to synchronize them, in order to avoid uaf caused by race condition.

Other sources

This CVE was automatically created from a reference found in an email or other text. If you are reading this, then this CVE entry is probably erroneous, since this text should be replaced by the official CVE description automatically.

— Launchpad

Affected Software

213 affected componentsFixes available
Linux Linux kernel<5.10.227
Linux Linux kernel>=5.11<5.15.168
Linux Linux kernel>=5.16<6.1.113
Linux Linux kernel>=6.2<6.6.55
Linux Linux kernel>=6.7<6.10.14
Linux Linux kernel>=6.11<6.11.3
debian/linux<6.1.115-1
6.1.115-1
debian/linux<6.11.4-1
6.11.4-1
debian/linux<6.11.4-1
6.11.4-1
debian/linux
6.1.176-16.1.190-16.12.107-16.12.115-27.2.12-17.2.15-1
ubuntu/linux*
ubuntu/linux-aws*
ubuntu/linux-azure*
ubuntu/linux-lts-xenial*
ubuntu/linux*
ubuntu/linux-aws*
ubuntu/linux-aws-hwe*
ubuntu/linux-azure*
ubuntu/linux-gcp*
ubuntu/linux-hwe*
ubuntu/linux-hwe-edge*
ubuntu/linux-kvm*
ubuntu/linux-oracle*
ubuntu/linux-fips*
ubuntu/linux-fips*
ubuntu/linux*
ubuntu/linux-aws*
ubuntu/linux-aws-5.0*
ubuntu/linux-aws-5.3*
ubuntu/linux-aws-5.4<5.4.0-1142.152~18.04.1
5.4.0-1142.152~18.04.1
ubuntu/linux-azure*
ubuntu/linux-azure-4.15*
ubuntu/linux-azure-5.3*
ubuntu/linux-azure-5.4<5.4.0-1145.152~18.04.1
5.4.0-1145.152~18.04.1
ubuntu/linux-azure-edge*
ubuntu/linux-gcp*
ubuntu/linux-gcp-4.15*
ubuntu/linux-gcp-5.3*
ubuntu/linux-gcp-5.4<5.4.0-1143.152~18.04.1
5.4.0-1143.152~18.04.1
ubuntu/linux-gke-4.15*
ubuntu/linux-gke-5.4*
ubuntu/linux-gkeop-5.4*
ubuntu/linux-hwe*
ubuntu/linux-hwe-5.4<5.4.0-208.228~18.04.1
5.4.0-208.228~18.04.1
ubuntu/linux-hwe-edge*
ubuntu/linux-ibm-5.4<5.4.0-1086.91~18.04.1
5.4.0-1086.91~18.04.1
ubuntu/linux-kvm*
ubuntu/linux-oem*
ubuntu/linux-oracle*
ubuntu/linux-oracle-5.0*
ubuntu/linux-oracle-5.3*
ubuntu/linux-oracle-5.4<5.4.0-1138.147~18.04.1
5.4.0-1138.147~18.04.1
ubuntu/linux-raspi-5.4<5.4.0-1129.142~18.04.1
5.4.0-1129.142~18.04.1
ubuntu/linux-aws-fips*
ubuntu/linux-azure-fips*
ubuntu/linux-fips*
ubuntu/linux-gcp-fips*
ubuntu/linux-aws-fips*
ubuntu/linux-azure-fips*
ubuntu/linux-fips*
ubuntu/linux-gcp-fips*
ubuntu/linux<5.4.0-208.228
5.4.0-208.228
ubuntu/linux-aws<5.4.0-1140.150
5.4.0-1140.150
ubuntu/linux-aws-5.15<5.15.0-1073.79~20.04.1
5.15.0-1073.79~20.04.1
ubuntu/linux-azure<5.4.0-1145.152
5.4.0-1145.152
ubuntu/linux-azure-5.15<5.15.0-1078.87~20.04.1
5.15.0-1078.87~20.04.1
ubuntu/linux-bluefield<5.4.0-1099.106
5.4.0-1099.106
ubuntu/linux-gcp<5.4.0-1143.152
5.4.0-1143.152
ubuntu/linux-gcp-5.15<5.15.0-1072.80~20.04.1
5.15.0-1072.80~20.04.1
ubuntu/linux-hwe-5.15<5.15.0-127.137~20.04.1
5.15.0-127.137~20.04.1
ubuntu/linux-ibm<5.4.0-1086.91
5.4.0-1086.91
ubuntu/linux-ibm-5.15<5.15.0-1066.69~20.04.1
5.15.0-1066.69~20.04.1
ubuntu/linux-intel-iotg-5.15<5.15.0-1071.77~20.04.1
5.15.0-1071.77~20.04.1
ubuntu/linux-iot<5.4.0-1048.51
5.4.0-1048.51
ubuntu/linux-kvm<5.4.0-1127.136
5.4.0-1127.136
ubuntu/linux-lowlatency-hwe-5.15<5.15.0-127.137~20.04.1
5.15.0-127.137~20.04.1
ubuntu/linux-nvidia-tegra-5.15<5.15.0-1032.32~20.04.1
5.15.0-1032.32~20.04.1
ubuntu/linux-oracle<5.4.0-1138.147
5.4.0-1138.147
ubuntu/linux-oracle-5.15<5.15.0-1071.77~20.04.1
5.15.0-1071.77~20.04.1
ubuntu/linux-raspi<5.4.0-1129.142
5.4.0-1129.142
ubuntu/linux-riscv-5.15<5.15.0-1069.73~20.04.1
5.15.0-1069.73~20.04.1
ubuntu/linux-xilinx-zynqmp<5.4.0-1058.62
5.4.0-1058.62
ubuntu/linux-aws-5.11*
ubuntu/linux-aws-5.13*
ubuntu/linux-aws-5.8*
ubuntu/linux-azure-5.11*
ubuntu/linux-azure-5.13*
ubuntu/linux-azure-5.8*
ubuntu/linux-azure-fde*
ubuntu/linux-gcp-5.11*
ubuntu/linux-gcp-5.13*
ubuntu/linux-gcp-5.8*
ubuntu/linux-gke*
ubuntu/linux-gke-5.15*
ubuntu/linux-gkeop*
ubuntu/linux-gkeop-5.15*
ubuntu/linux-hwe-5.11*
ubuntu/linux-hwe-5.13*
ubuntu/linux-hwe-5.8*
ubuntu/linux-intel-5.13*
ubuntu/linux-oem-5.10*
ubuntu/linux-oem-5.13*
ubuntu/linux-oem-5.6*
ubuntu/linux-oracle-5.11*
ubuntu/linux-oracle-5.13*
ubuntu/linux-oracle-5.8*
ubuntu/linux-raspi2*
ubuntu/linux-riscv*
ubuntu/linux-riscv-5.11*
ubuntu/linux-riscv-5.8*
ubuntu/linux-aws-fips<5.4.0-1140.151+fips1
5.4.0-1140.151+fips1
ubuntu/linux-azure-fips<5.4.0-1145.152+fips1
5.4.0-1145.152+fips1
ubuntu/linux-fips<5.4.0-1116.126
5.4.0-1116.126
ubuntu/linux-gcp-fips<5.4.0-1143.152+fips1
5.4.0-1143.152+fips1
ubuntu/linux-aws-fips*
ubuntu/linux-azure-fips*
ubuntu/linux-fips*
ubuntu/linux-gcp-fips*
ubuntu/linux<5.15.0-127.137
5.15.0-127.137
ubuntu/linux-allwinner-5.19*
ubuntu/linux-aws<5.15.0-1073.79
5.15.0-1073.79
ubuntu/linux-aws-5.19*
ubuntu/linux-aws-6.2*
ubuntu/linux-aws-6.5*
ubuntu/linux-aws-6.8<6.8.0-1023.25~22.04.1
6.8.0-1023.25~22.04.1
ubuntu/linux-azure<5.15.0-1078.87
5.15.0-1078.87
ubuntu/linux-azure-5.19*
ubuntu/linux-azure-6.2*
ubuntu/linux-azure-6.5*
ubuntu/linux-azure-6.8<6.8.0-1025.30~22.04.1
6.8.0-1025.30~22.04.1
ubuntu/linux-azure-fde<5.15.0-1078.87.1
5.15.0-1078.87.1
ubuntu/linux-azure-fde-5.19*
ubuntu/linux-azure-fde-6.2*
ubuntu/linux-gcp<5.15.0-1072.80
5.15.0-1072.80
ubuntu/linux-gcp-5.19*
ubuntu/linux-gcp-6.2*
ubuntu/linux-gcp-6.5*
ubuntu/linux-gcp-6.8<6.8.0-1024.26~22.04.1
6.8.0-1024.26~22.04.1
ubuntu/linux-gke<5.15.0-1070.76
5.15.0-1070.76
ubuntu/linux-gkeop<5.15.0-1056.63
5.15.0-1056.63
ubuntu/linux-hwe-5.19*
ubuntu/linux-hwe-6.2*
ubuntu/linux-hwe-6.5*
ubuntu/linux-hwe-6.8<6.8.0-57.59~22.04.1
6.8.0-57.59~22.04.1
ubuntu/linux-ibm<5.15.0-1066.69
5.15.0-1066.69
ubuntu/linux-ibm-6.8<6.8.0-1023.23~22.04.1
6.8.0-1023.23~22.04.1
ubuntu/linux-intel-iotg<5.15.0-1071.77
5.15.0-1071.77
ubuntu/linux-kvm<5.15.0-1070.75
5.15.0-1070.75
ubuntu/linux-lowlatency<5.15.0-127.137
5.15.0-127.137
ubuntu/linux-lowlatency-hwe-5.19*
ubuntu/linux-lowlatency-hwe-6.2*
ubuntu/linux-lowlatency-hwe-6.5*
ubuntu/linux-lowlatency-hwe-6.8<6.8.0-54.56.1~22.04.1
6.8.0-54.56.1~22.04.1
ubuntu/linux-nvidia<5.15.0-1068.69
5.15.0-1068.69
ubuntu/linux-nvidia-6.2*
ubuntu/linux-nvidia-6.5*
ubuntu/linux-nvidia-6.8<6.8.0-1022.25~22.04.2
6.8.0-1022.25~22.04.2
ubuntu/linux-nvidia-tegra<5.15.0-1032.32
5.15.0-1032.32
ubuntu/linux-nvidia-tegra-igx<5.15.0-1020.20
5.15.0-1020.20
ubuntu/linux-oem-5.17*
ubuntu/linux-oem-6.0*
ubuntu/linux-oem-6.1*
ubuntu/linux-oem-6.5*
ubuntu/linux-oracle<5.15.0-1071.77
5.15.0-1071.77
ubuntu/linux-oracle-6.5*
ubuntu/linux-oracle-6.8<6.8.0-1020.21~22.04.1
6.8.0-1020.21~22.04.1
ubuntu/linux-raspi<5.15.0-1066.69
5.15.0-1066.69
ubuntu/linux-realtime*
ubuntu/linux-riscv*
ubuntu/linux-riscv-5.19*
ubuntu/linux-riscv-6.5*
ubuntu/linux-riscv-6.8<6.8.0-53.55.1~22.04.1
6.8.0-53.55.1~22.04.1
ubuntu/linux-starfive-5.19*
ubuntu/linux-starfive-6.2*
ubuntu/linux-starfive-6.5*
ubuntu/linux-xilinx-zynqmp<5.15.0-1039.43
5.15.0-1039.43
ubuntu/linux-bluefield<5.15.0-1057.59
5.15.0-1057.59
ubuntu/linux-intel-iot-realtime<5.15.0-1066.68
5.15.0-1066.68
ubuntu/linux-realtime<5.15.0-1074.82
5.15.0-1074.82
ubuntu/linux-realtime-6.8<6.8.1-1016.17~22.04.1
6.8.1-1016.17~22.04.1
ubuntu/linux-aws-fips*
ubuntu/linux-azure-fips*
ubuntu/linux-fips*
ubuntu/linux-gcp-fips*
ubuntu/linux-aws-fips<5.15.0-1073.79+fips1
5.15.0-1073.79+fips1
ubuntu/linux-azure-fips<5.15.0-1078.87+fips1
5.15.0-1078.87+fips1
ubuntu/linux-fips<5.15.0-127.137+fips1
5.15.0-127.137+fips1
ubuntu/linux-gcp-fips<5.15.0-1072.80+fips1
5.15.0-1072.80+fips1
ubuntu/linux<6.8.0-54.56
6.8.0-54.56
ubuntu/linux-aws<6.8.0-1023.25
6.8.0-1023.25
ubuntu/linux-azure<6.8.0-1025.30
6.8.0-1025.30
ubuntu/linux-azure-6.11<6.11.0-1012.12~24.04.1
6.11.0-1012.12~24.04.1
ubuntu/linux-azure-nvidia<6.8.0-1014.15
6.8.0-1014.15
ubuntu/linux-gcp<6.8.0-1024.26
6.8.0-1024.26
ubuntu/linux-gcp-6.11<6.11.0-1011.11~24.04.1
6.11.0-1011.11~24.04.1
ubuntu/linux-gke<6.8.0-1019.23
6.8.0-1019.23
ubuntu/linux-gkeop<6.8.0-1006.8
6.8.0-1006.8
ubuntu/linux-ibm<6.8.0-1022.22
6.8.0-1022.22
ubuntu/linux-lowlatency<6.8.0-54.56.1
6.8.0-54.56.1
ubuntu/linux-nvidia<6.8.0-1022.25
6.8.0-1022.25
ubuntu/linux-nvidia-6.11<6.11.0-1007.7
6.11.0-1007.7
ubuntu/linux-nvidia-lowlatency<6.8.0-1022.25.2
6.8.0-1022.25.2
ubuntu/linux-oem-6.11<6.11.0-1015.15
6.11.0-1015.15
ubuntu/linux-oem-6.8<6.8.0-1024.24
6.8.0-1024.24
ubuntu/linux-oracle<6.8.0-1020.21
6.8.0-1020.21
ubuntu/linux-raspi<6.8.0-1019.23
6.8.0-1019.23
ubuntu/linux-realtime*
ubuntu/linux-riscv<6.8.0-53.55.1
6.8.0-53.55.1
ubuntu/linux-xilinx<6.8.0-1017.18
6.8.0-1017.18
ubuntu/linux-raspi-realtime<6.8.0-2018.19
6.8.0-2018.19
ubuntu/linux-realtime<6.8.1-1016.17
6.8.1-1016.17
ubuntu/linux-fips<6.8.0-78.78+fips1
6.8.0-78.78+fips1
ubuntu/linux-vmware*

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/linux to a version that resolves this vulnerability.

    Fixed in 6.1.115-1
  2. Upgrade

    Upgrade debian/linux to a version that resolves this vulnerability.

    Fixed in 6.11.4-1
  3. Upgrade

    Upgrade debian/linux to a version that resolves this vulnerability.

    Fixed in 6.1.176-1Fixed in 6.1.190-1Fixed in 6.12.107-1Fixed in 6.12.115-2Fixed in 7.2.12-1Fixed in 7.2.15-1
  4. Upgrade

    Upgrade ubuntu/linux-aws-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1142.152~18.04.1
  5. Upgrade

    Upgrade ubuntu/linux-azure-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1145.152~18.04.1
  6. Upgrade

    Upgrade ubuntu/linux-gcp-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1143.152~18.04.1
  7. Upgrade

    Upgrade ubuntu/linux-hwe-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-208.228~18.04.1
  8. Upgrade

    Upgrade ubuntu/linux-ibm-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1086.91~18.04.1
  9. Upgrade

    Upgrade ubuntu/linux-oracle-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1138.147~18.04.1
  10. Upgrade

    Upgrade ubuntu/linux-raspi-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1129.142~18.04.1
  11. Upgrade

    Upgrade ubuntu/linux to a version that resolves this vulnerability.

    Fixed in 5.4.0-208.228
  12. Upgrade

    Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.

    Fixed in 5.4.0-1140.150
  13. Upgrade

    Upgrade ubuntu/linux-aws-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1073.79~20.04.1
  14. Upgrade

    Upgrade ubuntu/linux-azure to a version that resolves this vulnerability.

    Fixed in 5.4.0-1145.152
  15. Upgrade

    Upgrade ubuntu/linux-azure-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1078.87~20.04.1
  16. Upgrade

    Upgrade ubuntu/linux-bluefield to a version that resolves this vulnerability.

    Fixed in 5.4.0-1099.106
  17. Upgrade

    Upgrade ubuntu/linux-gcp to a version that resolves this vulnerability.

    Fixed in 5.4.0-1143.152
  18. Upgrade

    Upgrade ubuntu/linux-gcp-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1072.80~20.04.1
  19. Upgrade

    Upgrade ubuntu/linux-hwe-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-127.137~20.04.1
  20. Upgrade

    Upgrade ubuntu/linux-ibm to a version that resolves this vulnerability.

    Fixed in 5.4.0-1086.91
  21. Upgrade

    Upgrade ubuntu/linux-ibm-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1066.69~20.04.1
  22. Upgrade

    Upgrade ubuntu/linux-intel-iotg-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1071.77~20.04.1
  23. Upgrade

    Upgrade ubuntu/linux-iot to a version that resolves this vulnerability.

    Fixed in 5.4.0-1048.51
  24. Upgrade

    Upgrade ubuntu/linux-kvm to a version that resolves this vulnerability.

    Fixed in 5.4.0-1127.136
  25. Upgrade

    Upgrade ubuntu/linux-lowlatency-hwe-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-127.137~20.04.1
  26. Upgrade

    Upgrade ubuntu/linux-nvidia-tegra-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1032.32~20.04.1
  27. Upgrade

    Upgrade ubuntu/linux-oracle to a version that resolves this vulnerability.

    Fixed in 5.4.0-1138.147
  28. Upgrade

    Upgrade ubuntu/linux-oracle-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1071.77~20.04.1
  29. Upgrade

    Upgrade ubuntu/linux-raspi to a version that resolves this vulnerability.

    Fixed in 5.4.0-1129.142
  30. Upgrade

    Upgrade ubuntu/linux-riscv-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1069.73~20.04.1
  31. Upgrade

    Upgrade ubuntu/linux-xilinx-zynqmp to a version that resolves this vulnerability.

    Fixed in 5.4.0-1058.62
  32. Upgrade

    Upgrade ubuntu/linux-aws-fips to a version that resolves this vulnerability.

    Fixed in 5.4.0-1140.151+fips1
  33. Upgrade

    Upgrade ubuntu/linux-azure-fips to a version that resolves this vulnerability.

    Fixed in 5.4.0-1145.152+fips1
  34. Upgrade

    Upgrade ubuntu/linux-fips to a version that resolves this vulnerability.

    Fixed in 5.4.0-1116.126
  35. Upgrade

    Upgrade ubuntu/linux-gcp-fips to a version that resolves this vulnerability.

    Fixed in 5.4.0-1143.152+fips1
  36. Upgrade

    Upgrade ubuntu/linux to a version that resolves this vulnerability.

    Fixed in 5.15.0-127.137
  37. Upgrade

    Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.

    Fixed in 5.15.0-1073.79
  38. Upgrade

    Upgrade ubuntu/linux-aws-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-1023.25~22.04.1
  39. Upgrade

    Upgrade ubuntu/linux-azure to a version that resolves this vulnerability.

    Fixed in 5.15.0-1078.87
  40. Upgrade

    Upgrade ubuntu/linux-azure-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-1025.30~22.04.1
  41. Upgrade

    Upgrade ubuntu/linux-azure-fde to a version that resolves this vulnerability.

    Fixed in 5.15.0-1078.87.1
  42. Upgrade

    Upgrade ubuntu/linux-gcp to a version that resolves this vulnerability.

    Fixed in 5.15.0-1072.80
  43. Upgrade

    Upgrade ubuntu/linux-gcp-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-1024.26~22.04.1
  44. Upgrade

    Upgrade ubuntu/linux-gke to a version that resolves this vulnerability.

    Fixed in 5.15.0-1070.76
  45. Upgrade

    Upgrade ubuntu/linux-gkeop to a version that resolves this vulnerability.

    Fixed in 5.15.0-1056.63
  46. Upgrade

    Upgrade ubuntu/linux-hwe-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-57.59~22.04.1
  47. Upgrade

    Upgrade ubuntu/linux-ibm to a version that resolves this vulnerability.

    Fixed in 5.15.0-1066.69
  48. Upgrade

    Upgrade ubuntu/linux-ibm-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-1023.23~22.04.1
  49. Upgrade

    Upgrade ubuntu/linux-intel-iotg to a version that resolves this vulnerability.

    Fixed in 5.15.0-1071.77
  50. Upgrade

    Upgrade ubuntu/linux-kvm to a version that resolves this vulnerability.

    Fixed in 5.15.0-1070.75
  51. Upgrade

    Upgrade ubuntu/linux-lowlatency to a version that resolves this vulnerability.

    Fixed in 5.15.0-127.137
  52. Upgrade

    Upgrade ubuntu/linux-lowlatency-hwe-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-54.56.1~22.04.1
  53. Upgrade

    Upgrade ubuntu/linux-nvidia to a version that resolves this vulnerability.

    Fixed in 5.15.0-1068.69
  54. Upgrade

    Upgrade ubuntu/linux-nvidia-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-1022.25~22.04.2
  55. Upgrade

    Upgrade ubuntu/linux-nvidia-tegra to a version that resolves this vulnerability.

    Fixed in 5.15.0-1032.32
  56. Upgrade

    Upgrade ubuntu/linux-nvidia-tegra-igx to a version that resolves this vulnerability.

    Fixed in 5.15.0-1020.20
  57. Upgrade

    Upgrade ubuntu/linux-oracle to a version that resolves this vulnerability.

    Fixed in 5.15.0-1071.77
  58. Upgrade

    Upgrade ubuntu/linux-oracle-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-1020.21~22.04.1
  59. Upgrade

    Upgrade ubuntu/linux-raspi to a version that resolves this vulnerability.

    Fixed in 5.15.0-1066.69
  60. Upgrade

    Upgrade ubuntu/linux-riscv-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-53.55.1~22.04.1
  61. Upgrade

    Upgrade ubuntu/linux-xilinx-zynqmp to a version that resolves this vulnerability.

    Fixed in 5.15.0-1039.43
  62. Upgrade

    Upgrade ubuntu/linux-bluefield to a version that resolves this vulnerability.

    Fixed in 5.15.0-1057.59
  63. Upgrade

    Upgrade ubuntu/linux-intel-iot-realtime to a version that resolves this vulnerability.

    Fixed in 5.15.0-1066.68
  64. Upgrade

    Upgrade ubuntu/linux-realtime to a version that resolves this vulnerability.

    Fixed in 5.15.0-1074.82
  65. Upgrade

    Upgrade ubuntu/linux-realtime-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.1-1016.17~22.04.1
  66. Upgrade

    Upgrade ubuntu/linux-aws-fips to a version that resolves this vulnerability.

    Fixed in 5.15.0-1073.79+fips1
  67. Upgrade

    Upgrade ubuntu/linux-azure-fips to a version that resolves this vulnerability.

    Fixed in 5.15.0-1078.87+fips1
  68. Upgrade

    Upgrade ubuntu/linux-fips to a version that resolves this vulnerability.

    Fixed in 5.15.0-127.137+fips1
  69. Upgrade

    Upgrade ubuntu/linux-gcp-fips to a version that resolves this vulnerability.

    Fixed in 5.15.0-1072.80+fips1
  70. Upgrade

    Upgrade ubuntu/linux to a version that resolves this vulnerability.

    Fixed in 6.8.0-54.56
  71. Upgrade

    Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.

    Fixed in 6.8.0-1023.25
  72. Upgrade

    Upgrade ubuntu/linux-azure to a version that resolves this vulnerability.

    Fixed in 6.8.0-1025.30
  73. Upgrade

    Upgrade ubuntu/linux-azure-6.11 to a version that resolves this vulnerability.

    Fixed in 6.11.0-1012.12~24.04.1
  74. Upgrade

    Upgrade ubuntu/linux-azure-nvidia to a version that resolves this vulnerability.

    Fixed in 6.8.0-1014.15
  75. Upgrade

    Upgrade ubuntu/linux-gcp to a version that resolves this vulnerability.

    Fixed in 6.8.0-1024.26
  76. Upgrade

    Upgrade ubuntu/linux-gcp-6.11 to a version that resolves this vulnerability.

    Fixed in 6.11.0-1011.11~24.04.1
  77. Upgrade

    Upgrade ubuntu/linux-gke to a version that resolves this vulnerability.

    Fixed in 6.8.0-1019.23
  78. Upgrade

    Upgrade ubuntu/linux-gkeop to a version that resolves this vulnerability.

    Fixed in 6.8.0-1006.8
  79. Upgrade

    Upgrade ubuntu/linux-ibm to a version that resolves this vulnerability.

    Fixed in 6.8.0-1022.22
  80. Upgrade

    Upgrade ubuntu/linux-lowlatency to a version that resolves this vulnerability.

    Fixed in 6.8.0-54.56.1
  81. Upgrade

    Upgrade ubuntu/linux-nvidia to a version that resolves this vulnerability.

    Fixed in 6.8.0-1022.25
  82. Upgrade

    Upgrade ubuntu/linux-nvidia-6.11 to a version that resolves this vulnerability.

    Fixed in 6.11.0-1007.7
  83. Upgrade

    Upgrade ubuntu/linux-nvidia-lowlatency to a version that resolves this vulnerability.

    Fixed in 6.8.0-1022.25.2
  84. Upgrade

    Upgrade ubuntu/linux-oem-6.11 to a version that resolves this vulnerability.

    Fixed in 6.11.0-1015.15
  85. Upgrade

    Upgrade ubuntu/linux-oem-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-1024.24
  86. Upgrade

    Upgrade ubuntu/linux-oracle to a version that resolves this vulnerability.

    Fixed in 6.8.0-1020.21
  87. Upgrade

    Upgrade ubuntu/linux-raspi to a version that resolves this vulnerability.

    Fixed in 6.8.0-1019.23
  88. Upgrade

    Upgrade ubuntu/linux-riscv to a version that resolves this vulnerability.

    Fixed in 6.8.0-53.55.1
  89. Upgrade

    Upgrade ubuntu/linux-xilinx to a version that resolves this vulnerability.

    Fixed in 6.8.0-1017.18
  90. Upgrade

    Upgrade ubuntu/linux-raspi-realtime to a version that resolves this vulnerability.

    Fixed in 6.8.0-2018.19
  91. Upgrade

    Upgrade ubuntu/linux-realtime to a version that resolves this vulnerability.

    Fixed in 6.8.1-1016.17
  92. Upgrade

    Upgrade ubuntu/linux-fips to a version that resolves this vulnerability.

    Fixed in 6.8.0-78.78+fips1
  93. Compensating control

    Use the s_umount lock to synchronize the dbUnmount and jfs_ioc_trim paths when accessing bmap, preventing the race condition that causes the use-after-free.

Event History

Oct 21, 2024
CVE Published
via MITRE·06:01 PM
Data Sourced
via MITRE·06:01 PM
Description
Data Sourced
via OSV·06:15 PM
DescriptionSeverityAffected Software
Data Sourced
via NVD·06:15 PM
RemedyDescriptionSeverityWeaknessAffected Software

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of CVE-2024-49903?

CVE-2024-49903 is classified as a high severity vulnerability due to its impact on kernel memory management.

2

How do I fix CVE-2024-49903?

To resolve CVE-2024-49903, upgrade to the latest Linux kernel version that includes the patch for the use-after-free vulnerability.

3

What systems are affected by CVE-2024-49903?

CVE-2024-49903 affects multiple versions of the Linux kernel, specifically versions prior to 5.10.227 and various ranges between 5.11 and 6.11.

4

What type of vulnerability is CVE-2024-49903?

CVE-2024-49903 is classified as a use-after-free vulnerability that could lead to kernel memory corruption and instability.

5

Who is responsible for disclosing CVE-2024-49903?

CVE-2024-49903 was reported by syzbot, a tool for identifying vulnerabilities in the Linux kernel.

Company

Resources

Contact

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