CVE-2024-50047: smb: client: fix UAF in async decryption

Q: What is the severity of CVE-2024-50047?

CVE-2024-50047 has been classified as a high-severity vulnerability due to the potential for denial of service caused by a slab-use-after-free issue.

Q: How do I fix CVE-2024-50047?

To fix CVE-2024-50047, update the Linux kernel to a version that is greater than 6.6.57 or between 6.7 and 6.11.4 inclusive.

Q: Which Linux kernel versions are vulnerable to CVE-2024-50047?

Kernel versions prior to 6.6.57 and those between 6.7 and 6.11.4 are vulnerable to CVE-2024-50047.

Q: What are the potential impacts of CVE-2024-50047?

The potential impacts of CVE-2024-50047 include system crashes and service interruptions due to the denial-of-service capability.

Q: Is CVE-2024-50047 related to the SMB client functionality?

Yes, CVE-2024-50047 involves an issue in the SMB client related to asynchronous decryption processes.

Published Oct 21, 2024

Updated

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

smb: client: fix UAF in async decryption

Doing an async decryption (large read) crashes with a slab-use-after-free way down in the crypto API.

Reproducer: # mount.cifs -o ...,seal,esize=1 //srv/share /mnt # dd if=/mnt/largefile of=/dev/null ... [ 194.196391] ================================================================== [ 194.196844] BUG: KASAN: slab-use-after-free in gf128mul4klle+0xc1/0x110 [ 194.197269] Read of size 8 at addr ffff888112bd0448 by task kworker/u77:2/899 [ 194.197707] [ 194.197818] CPU: 12 UID: 0 PID: 899 Comm: kworker/u77:2 Not tainted 6.11.0-lku-00028-gfca3ca14a17a-dirty #43 [ 194.198400] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.2-3-gd478f380-prebuilt.qemu.org 04/01/2014 [ 194.199046] Workqueue: smb3decryptd smb2decryptoffload [cifs] [ 194.200032] Call Trace: [ 194.200191] <TASK> [ 194.200327] dumpstacklvl+0x4e/0x70 [ 194.200558] ? gf128mul4klle+0xc1/0x110 [ 194.200809] printreport+0x174/0x505 [ 194.201040] ? pfxrawspinlockirqsave+0x10/0x10 [ 194.201352] ? srsoreturnthunk+0x5/0x5f [ 194.201604] ? virtaddrvalid+0xdf/0x1c0 [ 194.201868] ? gf128mul4klle+0xc1/0x110 [ 194.202128] kasanreport+0xc8/0x150 [ 194.202361] ? gf128mul4klle+0xc1/0x110 [ 194.202616] gf128mul4klle+0xc1/0x110 [ 194.202863] ghashupdate+0x184/0x210 [ 194.203103] shashahashupdate+0x184/0x2a0 [ 194.203377] ? pfxshashahashupdate+0x10/0x10 [ 194.203651] ? srsoreturnthunk+0x5/0x5f [ 194.203877] ? cryptogcminitcommon+0x1ba/0x340 [ 194.204142] gcmhashassocremaincontinue+0x10a/0x140 [ 194.204434] cryptmessage+0xec1/0x10a0 [cifs] [ 194.206489] ? pfxcryptmessage+0x10/0x10 [cifs] [ 194.208507] ? srsoreturnthunk+0x5/0x5f [ 194.209205] ? srsoreturnthunk+0x5/0x5f [ 194.209925] ? srsoreturnthunk+0x5/0x5f [ 194.210443] ? srsoreturnthunk+0x5/0x5f [ 194.211037] decryptrawdata+0x15f/0x250 [cifs] [ 194.212906] ? pfxdecryptrawdata+0x10/0x10 [cifs] [ 194.214670] ? srsoreturnthunk+0x5/0x5f [ 194.215193] smb2decryptoffload+0x12a/0x6c0 [cifs]

This is because TFM is being used in parallel.

Fix this by allocating a new AEAD TFM for async decryption, but keep the existing one for synchronous READ cases (similar to what is done in smb3calcsignature()).

Also remove the calls to aeadrequestsetcallback() and cryptowaitreq() since it's always going to be a synchronous operation.

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

184 affected componentsFixes available

Linux Linux kernel<6.6.57

Linux Linux kernel>=6.7<6.11.4

debian/linux<6.1.128-1

6.1.128-1

debian/linux<6.11.4-1

6.11.4-1

debian/linux<6.11.4-1

6.11.4-1

debian/linux

6.1.176-16.1.190-16.12.107-16.12.116-17.2.15-17.3.3-1

ubuntu/linux-hwe-edge*

ubuntu/linux-aws-5.0*

ubuntu/linux-aws-5.3*

ubuntu/linux-aws-5.4<5.4.0-1148.158~18.04.1

5.4.0-1148.158~18.04.1

ubuntu/linux-azure*

ubuntu/linux-azure-5.3*

ubuntu/linux-azure-5.4<5.4.0-1153.160~18.04.1

5.4.0-1153.160~18.04.1

ubuntu/linux-azure-edge*

ubuntu/linux-gcp*

ubuntu/linux-gcp-5.3*

ubuntu/linux-gcp-5.4<5.4.0-1151.160~18.04.1

5.4.0-1151.160~18.04.1

ubuntu/linux-gke-4.15*

ubuntu/linux-gke-5.4*

ubuntu/linux-gkeop-5.4*

ubuntu/linux-hwe*

ubuntu/linux-hwe-5.4<5.4.0-219.239~18.04.1

5.4.0-219.239~18.04.1

ubuntu/linux-hwe-edge*

ubuntu/linux-ibm-5.4<5.4.0-1094.99~18.04.1

5.4.0-1094.99~18.04.1

ubuntu/linux-oem*

ubuntu/linux-oracle-5.0*

ubuntu/linux-oracle-5.3*

ubuntu/linux-oracle-5.4<5.4.0-1146.156~18.04.1

5.4.0-1146.156~18.04.1

ubuntu/linux-raspi-5.4<5.4.0-1131.144~18.04.1

5.4.0-1131.144~18.04.1

ubuntu/linux<5.4.0-219.239

5.4.0-219.239

ubuntu/linux-aws<5.4.0-1148.158

5.4.0-1148.158

ubuntu/linux-aws-5.11*

ubuntu/linux-aws-5.13*

ubuntu/linux-aws-5.15<5.15.0-1087.94~20.04.1

5.15.0-1087.94~20.04.1

ubuntu/linux-aws-5.8*

ubuntu/linux-azure<5.4.0-1153.160

5.4.0-1153.160

ubuntu/linux-azure-5.11*

ubuntu/linux-azure-5.13*

ubuntu/linux-azure-5.15<5.15.0-1094.103~20.04.1

5.15.0-1094.103~20.04.1

ubuntu/linux-azure-5.8*

ubuntu/linux-azure-fde*

ubuntu/linux-bluefield<5.4.0-1107.114

5.4.0-1107.114

ubuntu/linux-gcp<5.4.0-1151.160

5.4.0-1151.160

ubuntu/linux-gcp-5.11*

ubuntu/linux-gcp-5.13*

ubuntu/linux-gcp-5.15<5.15.0-1086.95~20.04.1

5.15.0-1086.95~20.04.1

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-5.15<5.15.0-143.153~20.04.1

5.15.0-143.153~20.04.1

ubuntu/linux-hwe-5.8*

ubuntu/linux-ibm<5.4.0-1094.99

5.4.0-1094.99

ubuntu/linux-ibm-5.15<5.15.0-1079.82~20.04.1

5.15.0-1079.82~20.04.1

ubuntu/linux-intel-5.13*

ubuntu/linux-intel-iotg-5.15<5.15.0-1083.89~20.04.1

5.15.0-1083.89~20.04.1

ubuntu/linux-iot<5.4.0-1052.55

5.4.0-1052.55

ubuntu/linux-kvm<5.4.0-1135.144

5.4.0-1135.144

ubuntu/linux-lowlatency-hwe-5.15<5.15.0-143.153~20.04.1

5.15.0-143.153~20.04.1

ubuntu/linux-nvidia-tegra-5.15<5.15.0-1040.40~20.04.1

5.15.0-1040.40~20.04.1

ubuntu/linux-oem-5.10*

ubuntu/linux-oem-5.13*

ubuntu/linux-oem-5.6*

ubuntu/linux-oracle<5.4.0-1146.156

5.4.0-1146.156

ubuntu/linux-oracle-5.11*

ubuntu/linux-oracle-5.13*

ubuntu/linux-oracle-5.15<5.15.0-1084.90~20.04.1

5.15.0-1084.90~20.04.1

ubuntu/linux-oracle-5.8*

ubuntu/linux-raspi<5.4.0-1131.144

5.4.0-1131.144

ubuntu/linux-raspi2*

ubuntu/linux-riscv*

ubuntu/linux-riscv-5.11*

ubuntu/linux-riscv-5.15<5.15.0-1082.86~20.04.1

5.15.0-1082.86~20.04.1

ubuntu/linux-riscv-5.8*

ubuntu/linux-xilinx-zynqmp<5.4.0-1066.70

5.4.0-1066.70

ubuntu/linux-aws-fips<5.4.0-1148.158+fips1

5.4.0-1148.158+fips1

ubuntu/linux-azure-fips<5.4.0-1154.161+fips1

5.4.0-1154.161+fips1

ubuntu/linux-fips<5.4.0-1122.132

5.4.0-1122.132

ubuntu/linux-gcp-fips<5.4.0-1151.160+fips1

5.4.0-1151.160+fips1

ubuntu/linux-aws-fips*

ubuntu/linux-azure-fips*

ubuntu/linux-fips*

ubuntu/linux-gcp-fips*

ubuntu/linux<5.15.0-143.153

5.15.0-143.153

ubuntu/linux-allwinner-5.19*

ubuntu/linux-aws<5.15.0-1087.94

5.15.0-1087.94

ubuntu/linux-aws-5.19*

ubuntu/linux-aws-6.2*

ubuntu/linux-aws-6.5*

ubuntu/linux-aws-6.8<6.8.0-1027.29~22.04.1

6.8.0-1027.29~22.04.1

ubuntu/linux-azure<5.15.0-1092.101

5.15.0-1092.101

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<5.15.0-1092.101.1

5.15.0-1092.101.1

ubuntu/linux-azure-fde-5.19*

ubuntu/linux-azure-fde-6.2*

ubuntu/linux-gcp<5.15.0-1086.95

5.15.0-1086.95

ubuntu/linux-gcp-5.19*

ubuntu/linux-gcp-6.2*

ubuntu/linux-gcp-6.5*

ubuntu/linux-gcp-6.8<6.8.0-1026.28~22.04.1

6.8.0-1026.28~22.04.1

ubuntu/linux-gke<5.15.0-1084.90

5.15.0-1084.90

ubuntu/linux-gkeop<5.15.0-1069.77

5.15.0-1069.77

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<5.15.0-1079.82

5.15.0-1079.82

ubuntu/linux-ibm-6.8<6.8.0-1023.23~22.04.1

6.8.0-1023.23~22.04.1

ubuntu/linux-intel-iot-realtime*

ubuntu/linux-intel-iotg<5.15.0-1082.88

5.15.0-1082.88

ubuntu/linux-kvm<5.15.0-1083.88

5.15.0-1083.88

ubuntu/linux-lowlatency<5.15.0-143.153

5.15.0-143.153

ubuntu/linux-lowlatency-hwe-5.19*

ubuntu/linux-lowlatency-hwe-6.2*

ubuntu/linux-lowlatency-hwe-6.5*

ubuntu/linux-lowlatency-hwe-6.8<6.8.0-56.58.1~22.04.1

6.8.0-56.58.1~22.04.1

ubuntu/linux-nvidia<5.15.0-1081.82

5.15.0-1081.82

ubuntu/linux-nvidia-6.2*

ubuntu/linux-nvidia-6.5*

ubuntu/linux-nvidia-6.8<6.8.0-1024.27~22.04.1

6.8.0-1024.27~22.04.1

ubuntu/linux-nvidia-tegra<5.15.0-1040.40

5.15.0-1040.40

ubuntu/linux-nvidia-tegra-igx<5.15.0-1029.29

5.15.0-1029.29

ubuntu/linux-oem-5.17*

ubuntu/linux-oem-6.0*

ubuntu/linux-oem-6.1*

ubuntu/linux-oem-6.5*

ubuntu/linux-oracle<5.15.0-1084.90

5.15.0-1084.90

ubuntu/linux-oracle-6.5*

ubuntu/linux-oracle-6.8<6.8.0-1022.23~22.04.1

6.8.0-1022.23~22.04.1

ubuntu/linux-raspi<5.15.0-1083.86

5.15.0-1083.86

ubuntu/linux-realtime*

ubuntu/linux-riscv*

ubuntu/linux-riscv-5.19*

ubuntu/linux-riscv-6.5*

ubuntu/linux-riscv-6.8<6.8.0-56.58.1~22.04.1

6.8.0-56.58.1~22.04.1

ubuntu/linux-starfive-5.19*

ubuntu/linux-starfive-6.2*

ubuntu/linux-starfive-6.5*

ubuntu/linux-xilinx-zynqmp<5.15.0-1051.55

5.15.0-1051.55

ubuntu/linux-bluefield<5.15.0-1070.72

5.15.0-1070.72

ubuntu/linux-intel-iot-realtime<5.15.0-1080.82

5.15.0-1080.82

ubuntu/linux-realtime<5.15.0-1087.96

5.15.0-1087.96

ubuntu/linux-realtime-6.8<6.8.1-1018.19~22.04.1

6.8.1-1018.19~22.04.1

ubuntu/linux-aws-fips*

ubuntu/linux-azure-fips*

ubuntu/linux-fips*

ubuntu/linux-gcp-fips*

ubuntu/linux-aws-fips<5.15.0-1087.94+fips1

5.15.0-1087.94+fips1

ubuntu/linux-azure-fips<5.15.0-1094.103+fips1

5.15.0-1094.103+fips1

ubuntu/linux-fips<5.15.0-143.153+fips1

5.15.0-143.153+fips1

ubuntu/linux-gcp-fips<5.15.0-1086.95+fips1

5.15.0-1086.95+fips1

ubuntu/linux<6.8.0-56.58

6.8.0-56.58

ubuntu/linux-aws<6.8.0-1025.27

6.8.0-1025.27

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<6.8.0-1026.28

6.8.0-1026.28

ubuntu/linux-gcp-6.11<6.11.0-1011.11~24.04.1

6.11.0-1011.11~24.04.1

ubuntu/linux-gke<6.8.0-1021.25

6.8.0-1021.25

ubuntu/linux-gkeop<6.8.0-1008.10

6.8.0-1008.10

ubuntu/linux-ibm<6.8.0-1022.22

6.8.0-1022.22

ubuntu/linux-lowlatency<6.8.0-56.58.1

6.8.0-56.58.1

ubuntu/linux-nvidia<6.8.0-1024.27

6.8.0-1024.27

ubuntu/linux-nvidia-6.11<6.11.0-1007.7

6.11.0-1007.7

ubuntu/linux-nvidia-lowlatency<6.8.0-1024.27.1

6.8.0-1024.27.1

ubuntu/linux-nvidia-tegra<6.8.0-1004.4

6.8.0-1004.4

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<6.8.0-1022.23

6.8.0-1022.23

ubuntu/linux-raspi<6.8.0-1028.32

6.8.0-1028.32

ubuntu/linux-raspi-realtime*

ubuntu/linux-realtime*

ubuntu/linux-riscv<6.8.0-56.58.1

6.8.0-56.58.1

ubuntu/linux-xilinx<6.8.0-1017.18

6.8.0-1017.18

ubuntu/linux-raspi-realtime<6.8.0-2023.24

6.8.0-2023.24

ubuntu/linux-realtime<6.8.1-1018.19

6.8.1-1018.19

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.

Upgrade
Upgrade debian/linux to a version that resolves this vulnerability.
Fixed in 6.1.128-1
Upgrade
Upgrade debian/linux to a version that resolves this vulnerability.
Fixed in 6.11.4-1
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 6.12.116-1Fixed in 7.2.15-1Fixed in 7.3.3-1
Upgrade
Upgrade ubuntu/linux-aws-5.4 to a version that resolves this vulnerability.
Fixed in 5.4.0-1148.158~18.04.1
Upgrade
Upgrade ubuntu/linux-azure-5.4 to a version that resolves this vulnerability.
Fixed in 5.4.0-1153.160~18.04.1
Upgrade
Upgrade ubuntu/linux-gcp-5.4 to a version that resolves this vulnerability.
Fixed in 5.4.0-1151.160~18.04.1
Upgrade
Upgrade ubuntu/linux-hwe-5.4 to a version that resolves this vulnerability.
Fixed in 5.4.0-219.239~18.04.1
Upgrade
Upgrade ubuntu/linux-ibm-5.4 to a version that resolves this vulnerability.
Fixed in 5.4.0-1094.99~18.04.1
Upgrade
Upgrade ubuntu/linux-oracle-5.4 to a version that resolves this vulnerability.
Fixed in 5.4.0-1146.156~18.04.1
Upgrade
Upgrade ubuntu/linux-raspi-5.4 to a version that resolves this vulnerability.
Fixed in 5.4.0-1131.144~18.04.1
Upgrade
Upgrade ubuntu/linux to a version that resolves this vulnerability.
Fixed in 5.4.0-219.239
Upgrade
Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.
Fixed in 5.4.0-1148.158
Upgrade
Upgrade ubuntu/linux-aws-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-1087.94~20.04.1
Upgrade
Upgrade ubuntu/linux-azure to a version that resolves this vulnerability.
Fixed in 5.4.0-1153.160
Upgrade
Upgrade ubuntu/linux-azure-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-1094.103~20.04.1
Upgrade
Upgrade ubuntu/linux-bluefield to a version that resolves this vulnerability.
Fixed in 5.4.0-1107.114
Upgrade
Upgrade ubuntu/linux-gcp to a version that resolves this vulnerability.
Fixed in 5.4.0-1151.160
Upgrade
Upgrade ubuntu/linux-gcp-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-1086.95~20.04.1
Upgrade
Upgrade ubuntu/linux-hwe-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-143.153~20.04.1
Upgrade
Upgrade ubuntu/linux-ibm to a version that resolves this vulnerability.
Fixed in 5.4.0-1094.99
Upgrade
Upgrade ubuntu/linux-ibm-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-1079.82~20.04.1
Upgrade
Upgrade ubuntu/linux-intel-iotg-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-1083.89~20.04.1
Upgrade
Upgrade ubuntu/linux-iot to a version that resolves this vulnerability.
Fixed in 5.4.0-1052.55
Upgrade
Upgrade ubuntu/linux-kvm to a version that resolves this vulnerability.
Fixed in 5.4.0-1135.144
Upgrade
Upgrade ubuntu/linux-lowlatency-hwe-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-143.153~20.04.1
Upgrade
Upgrade ubuntu/linux-nvidia-tegra-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-1040.40~20.04.1
Upgrade
Upgrade ubuntu/linux-oracle to a version that resolves this vulnerability.
Fixed in 5.4.0-1146.156
Upgrade
Upgrade ubuntu/linux-oracle-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-1084.90~20.04.1
Upgrade
Upgrade ubuntu/linux-raspi to a version that resolves this vulnerability.
Fixed in 5.4.0-1131.144
Upgrade
Upgrade ubuntu/linux-riscv-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-1082.86~20.04.1
Upgrade
Upgrade ubuntu/linux-xilinx-zynqmp to a version that resolves this vulnerability.
Fixed in 5.4.0-1066.70
Upgrade
Upgrade ubuntu/linux-aws-fips to a version that resolves this vulnerability.
Fixed in 5.4.0-1148.158+fips1
Upgrade
Upgrade ubuntu/linux-azure-fips to a version that resolves this vulnerability.
Fixed in 5.4.0-1154.161+fips1
Upgrade
Upgrade ubuntu/linux-fips to a version that resolves this vulnerability.
Fixed in 5.4.0-1122.132
Upgrade
Upgrade ubuntu/linux-gcp-fips to a version that resolves this vulnerability.
Fixed in 5.4.0-1151.160+fips1
Upgrade
Upgrade ubuntu/linux to a version that resolves this vulnerability.
Fixed in 5.15.0-143.153
Upgrade
Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.
Fixed in 5.15.0-1087.94
Upgrade
Upgrade ubuntu/linux-aws-6.8 to a version that resolves this vulnerability.
Fixed in 6.8.0-1027.29~22.04.1
Upgrade
Upgrade ubuntu/linux-azure to a version that resolves this vulnerability.
Fixed in 5.15.0-1092.101
Upgrade
Upgrade ubuntu/linux-azure-6.8 to a version that resolves this vulnerability.
Fixed in 6.8.0-1025.30~22.04.1
Upgrade
Upgrade ubuntu/linux-azure-fde to a version that resolves this vulnerability.
Fixed in 5.15.0-1092.101.1
Upgrade
Upgrade ubuntu/linux-gcp to a version that resolves this vulnerability.
Fixed in 5.15.0-1086.95
Upgrade
Upgrade ubuntu/linux-gcp-6.8 to a version that resolves this vulnerability.
Fixed in 6.8.0-1026.28~22.04.1
Upgrade
Upgrade ubuntu/linux-gke to a version that resolves this vulnerability.
Fixed in 5.15.0-1084.90
Upgrade
Upgrade ubuntu/linux-gkeop to a version that resolves this vulnerability.
Fixed in 5.15.0-1069.77
Upgrade
Upgrade ubuntu/linux-hwe-6.8 to a version that resolves this vulnerability.
Fixed in 6.8.0-57.59~22.04.1
Upgrade
Upgrade ubuntu/linux-ibm to a version that resolves this vulnerability.
Fixed in 5.15.0-1079.82
Upgrade
Upgrade ubuntu/linux-ibm-6.8 to a version that resolves this vulnerability.
Fixed in 6.8.0-1023.23~22.04.1
Upgrade
Upgrade ubuntu/linux-intel-iotg to a version that resolves this vulnerability.
Fixed in 5.15.0-1082.88
Upgrade
Upgrade ubuntu/linux-kvm to a version that resolves this vulnerability.
Fixed in 5.15.0-1083.88
Upgrade
Upgrade ubuntu/linux-lowlatency to a version that resolves this vulnerability.
Fixed in 5.15.0-143.153
Upgrade
Upgrade ubuntu/linux-lowlatency-hwe-6.8 to a version that resolves this vulnerability.
Fixed in 6.8.0-56.58.1~22.04.1
Upgrade
Upgrade ubuntu/linux-nvidia to a version that resolves this vulnerability.
Fixed in 5.15.0-1081.82
Upgrade
Upgrade ubuntu/linux-nvidia-6.8 to a version that resolves this vulnerability.
Fixed in 6.8.0-1024.27~22.04.1
Upgrade
Upgrade ubuntu/linux-nvidia-tegra to a version that resolves this vulnerability.
Fixed in 5.15.0-1040.40
Upgrade
Upgrade ubuntu/linux-nvidia-tegra-igx to a version that resolves this vulnerability.
Fixed in 5.15.0-1029.29
Upgrade
Upgrade ubuntu/linux-oracle to a version that resolves this vulnerability.
Fixed in 5.15.0-1084.90
Upgrade
Upgrade ubuntu/linux-oracle-6.8 to a version that resolves this vulnerability.
Fixed in 6.8.0-1022.23~22.04.1
Upgrade
Upgrade ubuntu/linux-raspi to a version that resolves this vulnerability.
Fixed in 5.15.0-1083.86
Upgrade
Upgrade ubuntu/linux-riscv-6.8 to a version that resolves this vulnerability.
Fixed in 6.8.0-56.58.1~22.04.1
Upgrade
Upgrade ubuntu/linux-xilinx-zynqmp to a version that resolves this vulnerability.
Fixed in 5.15.0-1051.55
Upgrade
Upgrade ubuntu/linux-bluefield to a version that resolves this vulnerability.
Fixed in 5.15.0-1070.72
Upgrade
Upgrade ubuntu/linux-intel-iot-realtime to a version that resolves this vulnerability.
Fixed in 5.15.0-1080.82
Upgrade
Upgrade ubuntu/linux-realtime to a version that resolves this vulnerability.
Fixed in 5.15.0-1087.96
Upgrade
Upgrade ubuntu/linux-realtime-6.8 to a version that resolves this vulnerability.
Fixed in 6.8.1-1018.19~22.04.1
Upgrade
Upgrade ubuntu/linux-aws-fips to a version that resolves this vulnerability.
Fixed in 5.15.0-1087.94+fips1
Upgrade
Upgrade ubuntu/linux-azure-fips to a version that resolves this vulnerability.
Fixed in 5.15.0-1094.103+fips1
Upgrade
Upgrade ubuntu/linux-fips to a version that resolves this vulnerability.
Fixed in 5.15.0-143.153+fips1
Upgrade
Upgrade ubuntu/linux-gcp-fips to a version that resolves this vulnerability.
Fixed in 5.15.0-1086.95+fips1
Upgrade
Upgrade ubuntu/linux to a version that resolves this vulnerability.
Fixed in 6.8.0-56.58
Upgrade
Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.
Fixed in 6.8.0-1025.27
Upgrade
Upgrade ubuntu/linux-azure to a version that resolves this vulnerability.
Fixed in 6.8.0-1025.30
Upgrade
Upgrade ubuntu/linux-azure-6.11 to a version that resolves this vulnerability.
Fixed in 6.11.0-1012.12~24.04.1
Upgrade
Upgrade ubuntu/linux-azure-nvidia to a version that resolves this vulnerability.
Fixed in 6.8.0-1014.15
Upgrade
Upgrade ubuntu/linux-gcp to a version that resolves this vulnerability.
Fixed in 6.8.0-1026.28
Upgrade
Upgrade ubuntu/linux-gcp-6.11 to a version that resolves this vulnerability.
Fixed in 6.11.0-1011.11~24.04.1
Upgrade
Upgrade ubuntu/linux-gke to a version that resolves this vulnerability.
Fixed in 6.8.0-1021.25
Upgrade
Upgrade ubuntu/linux-gkeop to a version that resolves this vulnerability.
Fixed in 6.8.0-1008.10
Upgrade
Upgrade ubuntu/linux-ibm to a version that resolves this vulnerability.
Fixed in 6.8.0-1022.22
Upgrade
Upgrade ubuntu/linux-lowlatency to a version that resolves this vulnerability.
Fixed in 6.8.0-56.58.1
Upgrade
Upgrade ubuntu/linux-nvidia to a version that resolves this vulnerability.
Fixed in 6.8.0-1024.27
Upgrade
Upgrade ubuntu/linux-nvidia-6.11 to a version that resolves this vulnerability.
Fixed in 6.11.0-1007.7
Upgrade
Upgrade ubuntu/linux-nvidia-lowlatency to a version that resolves this vulnerability.
Fixed in 6.8.0-1024.27.1
Upgrade
Upgrade ubuntu/linux-nvidia-tegra to a version that resolves this vulnerability.
Fixed in 6.8.0-1004.4
Upgrade
Upgrade ubuntu/linux-oem-6.11 to a version that resolves this vulnerability.
Fixed in 6.11.0-1015.15
Upgrade
Upgrade ubuntu/linux-oem-6.8 to a version that resolves this vulnerability.
Fixed in 6.8.0-1024.24
Upgrade
Upgrade ubuntu/linux-oracle to a version that resolves this vulnerability.
Fixed in 6.8.0-1022.23
Upgrade
Upgrade ubuntu/linux-raspi to a version that resolves this vulnerability.
Fixed in 6.8.0-1028.32
Upgrade
Upgrade ubuntu/linux-riscv to a version that resolves this vulnerability.
Fixed in 6.8.0-56.58.1
Upgrade
Upgrade ubuntu/linux-xilinx to a version that resolves this vulnerability.
Fixed in 6.8.0-1017.18
Upgrade
Upgrade ubuntu/linux-raspi-realtime to a version that resolves this vulnerability.
Fixed in 6.8.0-2023.24
Upgrade
Upgrade ubuntu/linux-realtime to a version that resolves this vulnerability.
Fixed in 6.8.1-1018.19
Upgrade
Upgrade ubuntu/linux-fips to a version that resolves this vulnerability.
Fixed in 6.8.0-78.78+fips1

Event History

Oct 21, 2024

CVE Published

via MITRE·07:39 PM

Data Sourced

via MITRE·07:39 PM

DescriptionSeverity

Data Sourced

via Red Hat·08:01 PM

DescriptionSeverityAffected Software

Data Sourced

via OSV·08:15 PM

DescriptionSeverityAffected Software

Data Sourced

via NVD·08:15 PM

RemedyDescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

DSA-5860

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

What is the severity of CVE-2024-50047?

CVE-2024-50047 has been classified as a high-severity vulnerability due to the potential for denial of service caused by a slab-use-after-free issue.

How do I fix CVE-2024-50047?

To fix CVE-2024-50047, update the Linux kernel to a version that is greater than 6.6.57 or between 6.7 and 6.11.4 inclusive.

Which Linux kernel versions are vulnerable to CVE-2024-50047?

Kernel versions prior to 6.6.57 and those between 6.7 and 6.11.4 are vulnerable to CVE-2024-50047.

What are the potential impacts of CVE-2024-50047?

The potential impacts of CVE-2024-50047 include system crashes and service interruptions due to the denial-of-service capability.

Is CVE-2024-50047 related to the SMB client functionality?

Yes, CVE-2024-50047 involves an issue in the SMB client related to asynchronous decryption processes.

CVE-2024-50047: smb: client: fix UAF in async decryption

Other sources

Affected Software

Remediation

Event History

Parent advisories

Peer vulnerabilities

Frequently Asked Questions

What is the severity of CVE-2024-50047?

How do I fix CVE-2024-50047?

Which Linux kernel versions are vulnerable to CVE-2024-50047?

What are the potential impacts of CVE-2024-50047?

Is CVE-2024-50047 related to the SMB client functionality?

Company

Resources

Contact