CVE-2022-49179: block, bfq: don't move oom_bfqq

Q: What is the severity of CVE-2022-49179?

CVE-2022-49179 is classified with moderate severity due to the potential for a use-after-free vulnerability.

Q: How do I fix CVE-2022-49179?

To remediate CVE-2022-49179, update the Linux kernel to the latest stable version available beyond version 5.4.189.

Q: What versions of the Linux kernel are affected by CVE-2022-49179?

CVE-2022-49179 affects multiple Linux kernel versions from 5.5 up to but not including 5.4.189, and several versions between 5.5 and 5.17.2.

Q: What kind of vulnerability is CVE-2022-49179?

CVE-2022-49179 is a use-after-free vulnerability in the Linux kernel's block IO subsystem.

Q: What are the potential impacts of CVE-2022-49179?

Exploitation of CVE-2022-49179 may lead to arbitrary code execution or system crashes due to memory management issues.

Published Feb 26, 2025

Updated

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

block, bfq: don't move oombfqq

Our test report a UAF:

[ 2073.019181] ================================================================== [ 2073.019188] BUG: KASAN: use-after-free in bfqputasyncbfqq+0xa0/0x168 [ 2073.019191] Write of size 8 at addr ffff8000ccf64128 by task rmmod/72584 [ 2073.019192] [ 2073.019196] CPU: 0 PID: 72584 Comm: rmmod Kdump: loaded Not tainted 4.19.90-yk #5 [ 2073.019198] Hardware name: QEMU KVM Virtual Machine, BIOS 0.0.0 02/06/2015 [ 2073.019200] Call trace: [ 2073.019203] dumpbacktrace+0x0/0x310 [ 2073.019206] showstack+0x28/0x38 [ 2073.019210] dumpstack+0xec/0x15c [ 2073.019216] printaddressdescription+0x68/0x2d0 [ 2073.019220] kasanreport+0x238/0x2f0 [ 2073.019224] asanstore8+0x88/0xb0 [ 2073.019229] bfqputasyncbfqq+0xa0/0x168 [ 2073.019233] bfqputasyncqueues+0xbc/0x208 [ 2073.019236] bfqpdoffline+0x178/0x238 [ 2073.019240] blkcgdeactivatepolicy+0x1f0/0x420 [ 2073.019244] bfqexitqueue+0x128/0x178 [ 2073.019249] blkmqexitsched+0x12c/0x160 [ 2073.019252] elevatorexit+0xc8/0xd0 [ 2073.019256] blkexitqueue+0x50/0x88 [ 2073.019259] blkcleanupqueue+0x228/0x3d8 [ 2073.019267] nulldeldev+0xfc/0x1e0 [nullblk] [ 2073.019274] nullexit+0x90/0x114 [nullblk] [ 2073.019278] arm64sysdeletemodule+0x358/0x5a0 [ 2073.019282] el0svccommon+0xc8/0x320 [ 2073.019287] el0svchandler+0xf8/0x160 [ 2073.019290] el0svc+0x10/0x218 [ 2073.019291] [ 2073.019294] Allocated by task 14163: [ 2073.019301] kasankmalloc+0xe0/0x190 [ 2073.019305] kmemcacheallocnodetrace+0x1cc/0x418 [ 2073.019308] bfqpdalloc+0x54/0x118 [ 2073.019313] blkcgactivatepolicy+0x250/0x460 [ 2073.019317] bfqcreategrouphierarchy+0x38/0x110 [ 2073.019321] bfqinitqueue+0x6d0/0x948 [ 2073.019325] blkmqinitsched+0x1d8/0x390 [ 2073.019330] elevatorswitchmq+0x88/0x170 [ 2073.019334] elevatorswitch+0x140/0x270 [ 2073.019338] elvioschedstore+0x1a4/0x2a0 [ 2073.019342] queueattrstore+0x90/0xe0 [ 2073.019348] sysfskfwrite+0xa8/0xe8 [ 2073.019351] kernfsfopwrite+0x1f8/0x378 [ 2073.019359] vfswrite+0xe0/0x360 [ 2073.019363] vfswrite+0xf0/0x270 [ 2073.019367] ksyswrite+0xdc/0x1b8 [ 2073.019371] arm64syswrite+0x50/0x60 [ 2073.019375] el0svccommon+0xc8/0x320 [ 2073.019380] el0svchandler+0xf8/0x160 [ 2073.019383] el0svc+0x10/0x218 [ 2073.019385] [ 2073.019387] Freed by task 72584: [ 2073.019391] kasanslabfree+0x120/0x228 [ 2073.019394] kasanslabfree+0x10/0x18 [ 2073.019397] kfree+0x94/0x368 [ 2073.019400] bfqgput+0x64/0xb0 [ 2073.019404] bfqgandblkgput+0x90/0xb0 [ 2073.019408] bfqputqueue+0x220/0x228 [ 2073.019413] bfqputasyncbfqq+0x98/0x168 [ 2073.019416] bfqputasyncqueues+0xbc/0x208 [ 2073.019420] bfqpdoffline+0x178/0x238 [ 2073.019424] blkcgdeactivatepolicy+0x1f0/0x420 [ 2073.019429] bfqexitqueue+0x128/0x178 [ 2073.019433] blkmqexitsched+0x12c/0x160 [ 2073.019437] elevatorexit+0xc8/0xd0 [ 2073.019440] blkexitqueue+0x50/0x88 [ 2073.019443] blkcleanupqueue+0x228/0x3d8 [ 2073.019451] nulldeldev+0xfc/0x1e0 [nullblk] [ 2073.019459] nullexit+0x90/0x114 [nullblk] [ 2073.019462] arm64sysdeletemodule+0x358/0x5a0 [ 2073.019467] el0svccommon+0xc8/0x320 [ 2073.019471] el0svchandler+0xf8/0x160 [ 2073.019474] el0svc+0x10/0x218 [ 2073.019475] [ 2073.019479] The buggy address belongs to the object at ffff8000ccf63f00 which belongs to the cache kmalloc-1024 of size 1024 [ 2073.019484] The buggy address is located 552 bytes inside of 1024-byte region [ffff8000ccf63f00, ffff8000ccf64300) [ 2073.019486] The buggy address belongs to the page: [ 2073.019492] page:ffff7e000333d800 count:1 mapcount:0 mapping:ffff8000c0003a00 index:0x0 compoundmapcount: 0 [ 2073.020123] flags: 0x7ffff0000008100(slab|head) [ 2073.020403] raw: 07ffff0000008100 ffff7e0003334c08 ffff7e00001f5a08 ffff8000c0003a00 [ 2073.020409] ra ---truncated---

Affected Software

150 affected componentsFixes available

Linux Kernel

Linux Linux kernel<5.4.189

Linux Linux kernel>=5.5<5.10.110

Linux Linux kernel>=5.11<5.15.33

Linux Linux kernel>=5.16<5.16.19

Linux Linux kernel>=5.17<5.17.2

debian/linux<5.17.3-1

5.17.3-1

debian/linux<5.17.3-1

5.17.3-1

debian/linux<5.17.3-1

5.17.3-1

debian/linux

6.1.176-16.1.190-16.12.107-16.12.115-27.2.12-17.2.15-1

ubuntu/linux-azure<4.15.0-1190.205~14.04.1

4.15.0-1190.205~14.04.1

ubuntu/linux-aws-hwe<4.15.0-1182.195~16.04.1

4.15.0-1182.195~16.04.1

ubuntu/linux-azure<4.15.0-1190.205~16.04.1

4.15.0-1190.205~16.04.1

ubuntu/linux-gcp<4.15.0-1175.192~16.04.1

4.15.0-1175.192~16.04.1

ubuntu/linux-hwe<4.15.0-239.251~16.04.1

4.15.0-239.251~16.04.1

ubuntu/linux-oracle<4.15.0-1144.155~16.04.1

4.15.0-1144.155~16.04.1

ubuntu/linux-hwe-edge*

ubuntu/linux-aws-5.4<5.4.0-1078.84~18.04.1

5.4.0-1078.84~18.04.1

ubuntu/linux-azure-5.4<5.4.0-1083.87~18.04.1

5.4.0-1083.87~18.04.1

ubuntu/linux-gcp-5.4<5.4.0-1078.84~18.04.1

5.4.0-1078.84~18.04.1

ubuntu/linux-hwe-5.4<5.4.0-117.132~18.04.1

5.4.0-117.132~18.04.1

ubuntu/linux-ibm-5.4<5.4.0-1028.32~18.04.1

5.4.0-1028.32~18.04.1

ubuntu/linux-oracle-5.4<5.4.0-1076.83~18.04.1

5.4.0-1076.83~18.04.1

ubuntu/linux-raspi-5.4<5.4.0-1065.75~18.04.1

5.4.0-1065.75~18.04.1

ubuntu/linux<4.15.0-239.251

4.15.0-239.251

ubuntu/linux-aws<4.15.0-1182.195

4.15.0-1182.195

ubuntu/linux-aws-5.0*

ubuntu/linux-aws-5.3*

ubuntu/linux-azure*

ubuntu/linux-azure-4.15<4.15.0-1190.205

4.15.0-1190.205

ubuntu/linux-azure-5.3*

ubuntu/linux-azure-edge*

ubuntu/linux-gcp*

ubuntu/linux-gcp-4.15<4.15.0-1175.192

4.15.0-1175.192

ubuntu/linux-gcp-5.3*

ubuntu/linux-gke-4.15*

ubuntu/linux-gke-5.4*

ubuntu/linux-gkeop-5.4*

ubuntu/linux-hwe*

ubuntu/linux-hwe-edge*

ubuntu/linux-kvm<4.15.0-1165.170

4.15.0-1165.170

ubuntu/linux-oem*

ubuntu/linux-oracle<4.15.0-1144.155

4.15.0-1144.155

ubuntu/linux-oracle-5.0*

ubuntu/linux-oracle-5.3*

ubuntu/linux-aws-fips<4.15.0-2120.126

4.15.0-2120.126

ubuntu/linux-azure-fips<4.15.0-2099.105

4.15.0-2099.105

ubuntu/linux-fips<4.15.0-1137.148

4.15.0-1137.148

ubuntu/linux-gcp-fips<4.15.0-2083.89

4.15.0-2083.89

ubuntu/linux-aws-fips*

ubuntu/linux-azure-fips*

ubuntu/linux-fips*

ubuntu/linux-gcp-fips*

ubuntu/linux<5.4.0-117.132

5.4.0-117.132

ubuntu/linux-aws<5.4.0-1078.84

5.4.0-1078.84

ubuntu/linux-azure<5.4.0-1083.87

5.4.0-1083.87

ubuntu/linux-azure-5.15<5.15.0-1008.9~20.04.1

5.15.0-1008.9~20.04.1

ubuntu/linux-bluefield<5.4.0-1040.44

5.4.0-1040.44

ubuntu/linux-gcp<5.4.0-1078.84

5.4.0-1078.84

ubuntu/linux-hwe-5.15<5.15.0-41.44~20.04.1

5.15.0-41.44~20.04.1

ubuntu/linux-ibm<5.4.0-1026.29

5.4.0-1026.29

ubuntu/linux-intel-iotg-5.15<5.15.0-1008.11~20.04.1

5.15.0-1008.11~20.04.1

ubuntu/linux-iot<5.4.0-1004.6

5.4.0-1004.6

ubuntu/linux-kvm<5.4.0-1068.72

5.4.0-1068.72

ubuntu/linux-lowlatency-hwe-5.15<5.15.0-42.45~20.04.1

5.15.0-42.45~20.04.1

ubuntu/linux-oracle<5.4.0-1076.83

5.4.0-1076.83

ubuntu/linux-raspi<5.4.0-1065.75

5.4.0-1065.75

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<5.4.0-1078.84+fips1

5.4.0-1078.84+fips1

ubuntu/linux-azure-fips<5.4.0-1083.87+fips1

5.4.0-1083.87+fips1

ubuntu/linux-fips<5.4.0-1054.61

5.4.0-1054.61

ubuntu/linux-gcp-fips<5.4.0-1078.84+fips1

5.4.0-1078.84+fips1

ubuntu/linux-aws-fips*

ubuntu/linux-azure-fips*

ubuntu/linux-fips*

ubuntu/linux-gcp-fips*

ubuntu/linux<5.15.0-37.39

5.15.0-37.39

ubuntu/linux-allwinner-5.19*

ubuntu/linux-aws<5.15.0-1011.14

5.15.0-1011.14

ubuntu/linux-aws-5.19*

ubuntu/linux-aws-6.2*

ubuntu/linux-aws-6.5*

ubuntu/linux-azure<5.15.0-1010.12

5.15.0-1010.12

ubuntu/linux-azure-5.19*

ubuntu/linux-azure-6.2*

ubuntu/linux-azure-6.5*

ubuntu/linux-azure-fde-5.19*

ubuntu/linux-azure-fde-6.2*

ubuntu/linux-gcp<5.15.0-1008.12

5.15.0-1008.12

ubuntu/linux-gcp-5.19*

ubuntu/linux-gcp-6.2*

ubuntu/linux-gcp-6.5*

ubuntu/linux-gke<5.15.0-1008.10

5.15.0-1008.10

ubuntu/linux-hwe-5.19*

ubuntu/linux-hwe-6.2*

ubuntu/linux-hwe-6.5*

ubuntu/linux-ibm<5.15.0-1007.8

5.15.0-1007.8

ubuntu/linux-intel-iot-realtime*

ubuntu/linux-intel-iotg<5.15.0-1008.11

5.15.0-1008.11

ubuntu/linux-kvm<5.15.0-1010.11

5.15.0-1010.11

ubuntu/linux-lowlatency<5.15.0-37.39

5.15.0-37.39

ubuntu/linux-lowlatency-hwe-5.19*

ubuntu/linux-lowlatency-hwe-6.2*

ubuntu/linux-lowlatency-hwe-6.5*

ubuntu/linux-nvidia-6.2*

ubuntu/linux-nvidia-6.5*

ubuntu/linux-oem-5.17*

ubuntu/linux-oem-6.0*

ubuntu/linux-oem-6.1*

ubuntu/linux-oem-6.5*

ubuntu/linux-oracle<5.15.0-1009.12

5.15.0-1009.12

ubuntu/linux-oracle-6.5*

ubuntu/linux-raspi<5.15.0-1011.13

5.15.0-1011.13

ubuntu/linux-realtime*

ubuntu/linux-riscv*

ubuntu/linux-riscv-5.19*

ubuntu/linux-riscv-6.5*

ubuntu/linux-starfive-5.19*

ubuntu/linux-starfive-6.2*

ubuntu/linux-starfive-6.5*

ubuntu/linux-realtime<5.15.0-1014.14

5.15.0-1014.14

ubuntu/linux-raspi-realtime*

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 5.17.3-1
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 6.12.115-2Fixed in 7.2.12-1Fixed in 7.2.15-1
Upgrade
Upgrade ubuntu/linux-azure to a version that resolves this vulnerability.
Fixed in 4.15.0-1190.205~14.04.1
Upgrade
Upgrade ubuntu/linux-aws-hwe to a version that resolves this vulnerability.
Fixed in 4.15.0-1182.195~16.04.1
Upgrade
Upgrade ubuntu/linux-azure to a version that resolves this vulnerability.
Fixed in 4.15.0-1190.205~16.04.1
Upgrade
Upgrade ubuntu/linux-gcp to a version that resolves this vulnerability.
Fixed in 4.15.0-1175.192~16.04.1
Upgrade
Upgrade ubuntu/linux-hwe to a version that resolves this vulnerability.
Fixed in 4.15.0-239.251~16.04.1
Upgrade
Upgrade ubuntu/linux-oracle to a version that resolves this vulnerability.
Fixed in 4.15.0-1144.155~16.04.1
Upgrade
Upgrade ubuntu/linux-aws-5.4 to a version that resolves this vulnerability.
Fixed in 5.4.0-1078.84~18.04.1
Upgrade
Upgrade ubuntu/linux-azure-5.4 to a version that resolves this vulnerability.
Fixed in 5.4.0-1083.87~18.04.1
Upgrade
Upgrade ubuntu/linux-gcp-5.4 to a version that resolves this vulnerability.
Fixed in 5.4.0-1078.84~18.04.1
Upgrade
Upgrade ubuntu/linux-hwe-5.4 to a version that resolves this vulnerability.
Fixed in 5.4.0-117.132~18.04.1
Upgrade
Upgrade ubuntu/linux-ibm-5.4 to a version that resolves this vulnerability.
Fixed in 5.4.0-1028.32~18.04.1
Upgrade
Upgrade ubuntu/linux-oracle-5.4 to a version that resolves this vulnerability.
Fixed in 5.4.0-1076.83~18.04.1
Upgrade
Upgrade ubuntu/linux-raspi-5.4 to a version that resolves this vulnerability.
Fixed in 5.4.0-1065.75~18.04.1
Upgrade
Upgrade ubuntu/linux to a version that resolves this vulnerability.
Fixed in 4.15.0-239.251
Upgrade
Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.
Fixed in 4.15.0-1182.195
Upgrade
Upgrade ubuntu/linux-azure-4.15 to a version that resolves this vulnerability.
Fixed in 4.15.0-1190.205
Upgrade
Upgrade ubuntu/linux-gcp-4.15 to a version that resolves this vulnerability.
Fixed in 4.15.0-1175.192
Upgrade
Upgrade ubuntu/linux-kvm to a version that resolves this vulnerability.
Fixed in 4.15.0-1165.170
Upgrade
Upgrade ubuntu/linux-oracle to a version that resolves this vulnerability.
Fixed in 4.15.0-1144.155
Upgrade
Upgrade ubuntu/linux-aws-fips to a version that resolves this vulnerability.
Fixed in 4.15.0-2120.126
Upgrade
Upgrade ubuntu/linux-azure-fips to a version that resolves this vulnerability.
Fixed in 4.15.0-2099.105
Upgrade
Upgrade ubuntu/linux-fips to a version that resolves this vulnerability.
Fixed in 4.15.0-1137.148
Upgrade
Upgrade ubuntu/linux-gcp-fips to a version that resolves this vulnerability.
Fixed in 4.15.0-2083.89
Upgrade
Upgrade ubuntu/linux to a version that resolves this vulnerability.
Fixed in 5.4.0-117.132
Upgrade
Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.
Fixed in 5.4.0-1078.84
Upgrade
Upgrade ubuntu/linux-azure to a version that resolves this vulnerability.
Fixed in 5.4.0-1083.87
Upgrade
Upgrade ubuntu/linux-azure-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-1008.9~20.04.1
Upgrade
Upgrade ubuntu/linux-bluefield to a version that resolves this vulnerability.
Fixed in 5.4.0-1040.44
Upgrade
Upgrade ubuntu/linux-gcp to a version that resolves this vulnerability.
Fixed in 5.4.0-1078.84
Upgrade
Upgrade ubuntu/linux-hwe-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-41.44~20.04.1
Upgrade
Upgrade ubuntu/linux-ibm to a version that resolves this vulnerability.
Fixed in 5.4.0-1026.29
Upgrade
Upgrade ubuntu/linux-intel-iotg-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-1008.11~20.04.1
Upgrade
Upgrade ubuntu/linux-iot to a version that resolves this vulnerability.
Fixed in 5.4.0-1004.6
Upgrade
Upgrade ubuntu/linux-kvm to a version that resolves this vulnerability.
Fixed in 5.4.0-1068.72
Upgrade
Upgrade ubuntu/linux-lowlatency-hwe-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-42.45~20.04.1
Upgrade
Upgrade ubuntu/linux-oracle to a version that resolves this vulnerability.
Fixed in 5.4.0-1076.83
Upgrade
Upgrade ubuntu/linux-raspi to a version that resolves this vulnerability.
Fixed in 5.4.0-1065.75
Upgrade
Upgrade ubuntu/linux-aws-fips to a version that resolves this vulnerability.
Fixed in 5.4.0-1078.84+fips1
Upgrade
Upgrade ubuntu/linux-azure-fips to a version that resolves this vulnerability.
Fixed in 5.4.0-1083.87+fips1
Upgrade
Upgrade ubuntu/linux-fips to a version that resolves this vulnerability.
Fixed in 5.4.0-1054.61
Upgrade
Upgrade ubuntu/linux-gcp-fips to a version that resolves this vulnerability.
Fixed in 5.4.0-1078.84+fips1
Upgrade
Upgrade ubuntu/linux to a version that resolves this vulnerability.
Fixed in 5.15.0-37.39
Upgrade
Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.
Fixed in 5.15.0-1011.14
Upgrade
Upgrade ubuntu/linux-azure to a version that resolves this vulnerability.
Fixed in 5.15.0-1010.12
Upgrade
Upgrade ubuntu/linux-gcp to a version that resolves this vulnerability.
Fixed in 5.15.0-1008.12
Upgrade
Upgrade ubuntu/linux-gke to a version that resolves this vulnerability.
Fixed in 5.15.0-1008.10
Upgrade
Upgrade ubuntu/linux-ibm to a version that resolves this vulnerability.
Fixed in 5.15.0-1007.8
Upgrade
Upgrade ubuntu/linux-intel-iotg to a version that resolves this vulnerability.
Fixed in 5.15.0-1008.11
Upgrade
Upgrade ubuntu/linux-kvm to a version that resolves this vulnerability.
Fixed in 5.15.0-1010.11
Upgrade
Upgrade ubuntu/linux-lowlatency to a version that resolves this vulnerability.
Fixed in 5.15.0-37.39
Upgrade
Upgrade ubuntu/linux-oracle to a version that resolves this vulnerability.
Fixed in 5.15.0-1009.12
Upgrade
Upgrade ubuntu/linux-raspi to a version that resolves this vulnerability.
Fixed in 5.15.0-1011.13
Upgrade
Upgrade ubuntu/linux-realtime to a version that resolves this vulnerability.
Fixed in 5.15.0-1014.14

Event History

Feb 26, 2025

CVE Published

via MITRE·01:55 AM

Data Sourced

via MITRE·01:55 AM

DescriptionSeverity

Data Sourced

via OSV·07:00 AM

DescriptionSeverityAffected Software

Data Sourced

via NVD·07:00 AM

RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

What is the severity of CVE-2022-49179?

CVE-2022-49179 is classified with moderate severity due to the potential for a use-after-free vulnerability.

How do I fix CVE-2022-49179?

To remediate CVE-2022-49179, update the Linux kernel to the latest stable version available beyond version 5.4.189.

What versions of the Linux kernel are affected by CVE-2022-49179?

CVE-2022-49179 affects multiple Linux kernel versions from 5.5 up to but not including 5.4.189, and several versions between 5.5 and 5.17.2.

What kind of vulnerability is CVE-2022-49179?

CVE-2022-49179 is a use-after-free vulnerability in the Linux kernel's block IO subsystem.

What are the potential impacts of CVE-2022-49179?

Exploitation of CVE-2022-49179 may lead to arbitrary code execution or system crashes due to memory management issues.

CVE-2022-49179: block, bfq: don't move oom_bfqq

Affected Software

Remediation

Event History

Frequently Asked Questions

What is the severity of CVE-2022-49179?

How do I fix CVE-2022-49179?

What versions of the Linux kernel are affected by CVE-2022-49179?

What kind of vulnerability is CVE-2022-49179?

What are the potential impacts of CVE-2022-49179?

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