Description
In the Linux kernel before 5.15.3, fs/quota/quota_tree.c does not validate the block number in the quota tree (on disk). This can, for example, lead to a kernel/locking/rwsem.c use-after-free if there is a corrupted quota file.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | linux | 5.15.3-1 | — |
| Debian 13 | linux | 5.15.3-1 | — |
| Debian 12 | linux | 5.15.3-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-raspi-realtime | No fix yet | — |
| Ubuntu 22.04 LTS | linux-realtime +1 | No fix yet | — |
| Ubuntu 20.04 LTS | linux | 5.4.0-97.110 | — |
| Ubuntu 20.04 LTS | linux-aws | 5.4.0-1064.67 | — |
| Ubuntu 20.04 LTS | linux-aws-5.13 | 5.13.0-1012.13~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-azure | 5.4.0-1068.71 | — |
| Ubuntu 20.04 LTS | linux-azure-5.13 | 5.13.0-1013.15~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-bluefield | 5.4.0-1026.29 | — |
| Ubuntu 20.04 LTS | linux-gcp | 5.4.0-1063.67 | — |
| Ubuntu 20.04 LTS | linux-gcp-5.13 | 5.13.0-1013.16~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-gke | 5.4.0-1061.64 | — |
| Ubuntu 20.04 LTS | linux-gkeop | 5.4.0-1032.33 | — |
| Ubuntu 20.04 LTS | linux-hwe-5.13 | 5.13.0-28.31~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-ibm | 5.4.0-1013.14 | — |
| Ubuntu 20.04 LTS | linux-kvm | 5.4.0-1054.56 | — |
| Ubuntu 20.04 LTS | linux-oem-5.14 | 5.14.0-1013.13 | — |
| Ubuntu 20.04 LTS | linux-oracle | 5.4.0-1062.66 | — |
| Ubuntu 20.04 LTS | linux-oracle-5.13 | 5.13.0-1016.20~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-raspi | 5.4.0-1052.58 | — |
| Ubuntu 20.04 LTS | linux-riscv +17 | No fix yet | — |
| Ubuntu 18.04 LTS | linux | 4.15.0-167.175 | — |
| Ubuntu 18.04 LTS | linux-aws | 4.15.0-1119.127 | — |
| Ubuntu 18.04 LTS | linux-aws-5.4 | 5.4.0-1064.67~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-azure-4.15 | 4.15.0-1131.144 | — |
| Ubuntu 18.04 LTS | linux-azure-5.4 | 5.4.0-1068.71~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-dell300x | 4.15.0-1034.39 | — |
| Ubuntu 18.04 LTS | linux-gcp +12 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp-4.15 | 4.15.0-1115.129 | — |
| Ubuntu 18.04 LTS | linux-gcp-5.4 | 5.4.0-1063.67~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-gke-5.4 | 5.4.0-1061.64~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-gkeop-5.4 | 5.4.0-1032.33~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-hwe-5.4 | 5.4.0-97.110~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-ibm-5.4 | 5.4.0-1014.15~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-kvm | 4.15.0-1106.108 | — |
| Ubuntu 18.04 LTS | linux-oracle | 4.15.0-1086.94 | — |
| Ubuntu 18.04 LTS | linux-oracle-5.4 | 5.4.0-1062.66~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-raspi-5.4 | 5.4.0-1052.58~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-raspi2 | 4.15.0-1102.109 | — |
| Ubuntu 18.04 LTS | linux-snapdragon | 4.15.0-1119.128 | — |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
Show 8 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro FIPS 20.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS 18.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS 16.04 LTS | linux-fips | No fix yet | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-aws-fips | 5.4.0-1069.73+fips2 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-azure-fips | 5.4.0-1073.76+fips1 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-fips | 5.4.0-1041.47 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-gcp-fips | 5.4.0-1067.71~20.04.1 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-aws-fips | 4.15.0-2060.62 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-azure-fips | 4.15.0-2042.46 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-fips | 4.15.0-1076.85 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-gcp-fips | 4.15.0-2025.27 | — |
| Ubuntu Pro FIPS-updates 16.04 LTS | linux-fips | 4.4.0-1088.95 | — |
| Ubuntu Pro 16.04 LTS | linux | 4.4.0-239.273 | USN-6014-1 |
| Ubuntu Pro 16.04 LTS | linux-aws | 4.4.0-1155.170 | USN-6001-1 |
| Ubuntu Pro 16.04 LTS | linux-aws-hwe | 4.15.0-1119.126~16.04.2 | — |
| Ubuntu Pro 16.04 LTS | linux-azure | 4.15.0-1130.143~16.04.1 | — |
| Ubuntu Pro 16.04 LTS | linux-gcp | 4.15.0-1115.129~16.04.1 | — |
| Ubuntu Pro 16.04 LTS | linux-hwe | 4.15.0-167.175~16.04.1 | — |
| Ubuntu Pro 16.04 LTS | linux-kvm | 4.4.0-1118.128 | USN-6014-1 |
| Ubuntu Pro 16.04 LTS | linux-oracle | 4.15.0-1086.94~16.04.1 | — |
| Ubuntu Pro 14.04 LTS | linux | No fix yet | — |
| Ubuntu Pro 14.04 LTS | linux-aws | 4.4.0-1117.123 | USN-6013-1 |
| Ubuntu Pro 14.04 LTS | linux-azure | 4.15.0-1130.143~14.04.1 | — |
| Ubuntu Pro 14.04 LTS | linux-lts-xenial | 4.4.0-239.273~14.04.1 | USN-6014-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | kernel-64kb +7 | 5.3.18-150300.59.63.1 | SUSE-SU-2022:1183-1 |
| SLES 15 SP3 | kernel-azure +2 | 5.3.18-150300.38.53.1 | SUSE-SU-2022:1163-1 |
| SLES 15 SP3 | kernel-default-base | 5.3.18-150300.59.63.1.150300.18.39.1 | SUSE-SU-2022:1183-1 |
| SLES 15 SP2 | kernel-default-base | 5.3.18-150200.24.112.1.150200.9.52.2 | SUSE-SU-2022:1197-1 |
| SLES 15 SP2 | kernel-docs +5 | 5.3.18-150200.24.112.1 | SUSE-SU-2022:1197-1 |
| SLES 15 SP1 | kernel-docs +5 | 4.12.14-150100.197.111.1 | SUSE-SU-2022:1256-1 |
| SLES 15 | kernel-docs +6 | 4.12.14-150000.150.89.1 | SUSE-SU-2022:1255-1 |
| SLES 12 SP5 | kernel-azure +2 | 4.12.14-16.94.1 | SUSE-SU-2022:1266-1 |
| SLES 12 SP5 | kernel-docs +4 | 4.12.14-122.116.1 | SUSE-SU-2022:1196-1 |
Show 36 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP4 | kernel-syms +2 | 4.12.14-95.96.1 | SUSE-SU-2022:1267-1 |
| SLES 12 SP3 | kernel-syms +2 | 4.4.180-94.161.1 | SUSE-SU-2022:1270-1 |
| SLES 12 SP3 | kgraft-patch-SLE12-SP3_Update_44 | 1-4.5.1 | SUSE-SU-2022:1270-1 |
| SLES 12 SP2 | kernel-syms +2 | 4.4.121-92.172.1 | SUSE-SU-2022:1283-1 |
| SLES 11 SP4 | kernel-ec2 +5 | 3.0.101-108.138.1 | SUSE-SU-2023:0416-1 |
| SLES for SAP 15 SP2 | kernel-default-base | 5.3.18-150200.24.112.1.150200.9.52.2 | SUSE-SU-2022:1197-1 |
| SLES for SAP 15 SP2 | kernel-docs +5 | 5.3.18-150200.24.112.1 | SUSE-SU-2022:1197-1 |
| SLES for SAP 15 SP1 | kernel-docs +4 | 4.12.14-150100.197.111.1 | SUSE-SU-2022:1256-1 |
| SLES for SAP 15 | kernel-docs +5 | 4.12.14-150000.150.89.1 | SUSE-SU-2022:1255-1 |
| SLES for SAP 12 SP5 | kernel-azure +2 | 4.12.14-16.94.1 | SUSE-SU-2022:1266-1 |
| SLES for SAP 12 SP5 | kernel-syms +2 | 4.12.14-122.116.1 | SUSE-SU-2022:1196-1 |
| SLES for SAP 12 SP4 | kernel-syms +2 | 4.12.14-95.96.1 | SUSE-SU-2022:1267-1 |
| SLES for SAP 12 SP3 | kernel-syms +2 | 4.4.180-94.161.1 | SUSE-SU-2022:1270-1 |
| SLES for SAP 12 SP3 | kgraft-patch-SLE12-SP3_Update_44 | 1-4.5.1 | SUSE-SU-2022:1270-1 |
| SLE Real Time 15 SP2 | kernel-default-base | 5.3.18-150200.24.112.1.150200.9.52.2 | SUSE-SU-2022:1197-1 |
| SLE Real Time 15 SP2 | kernel-docs +4 | 5.3.18-150200.24.112.1 | SUSE-SU-2022:1197-1 |
| SLE Real Time 12 SP5 | kernel-rt +3 | 4.12.14-10.84.1 | SUSE-SU-2022:1402-1 |
| SLE Micro 5.2 | kernel-default | 5.3.18-150300.59.63.1 | SUSE-SU-2022:1183-1 |
| SLE Micro 5.2 | kernel-default-base | 5.3.18-150300.59.63.1.150300.18.39.1 | SUSE-SU-2022:1183-1 |
| SLE Micro 5.2 | kernel-rt | 5.3.18-150300.85.1 | SUSE-SU-2022:1407-1 |
| SLE Micro 5.1 | kernel-default | 5.3.18-150300.59.63.1 | SUSE-SU-2022:1183-1 |
| SLE Micro 5.1 | kernel-default-base | 5.3.18-150300.59.63.1.150300.18.39.1 | SUSE-SU-2022:1183-1 |
| SLE Micro 5.1 | kernel-rt | 5.3.18-150300.85.1 | SUSE-SU-2022:1407-1 |
| SLE Micro 5.0 | kernel-default | 5.3.18-150200.24.112.1 | SUSE-SU-2022:1197-1 |
| SLE Micro 5.0 | kernel-default-base | 5.3.18-150200.24.112.1.150200.9.52.2 | SUSE-SU-2022:1197-1 |
| SLE Micro 5.0 | kernel-rt | 5.3.18-150200.79.2 | SUSE-SU-2022:1257-1 |
| SLE Live Patching 15 SP3 | kernel-default | 5.3.18-150300.59.63.1 | SUSE-SU-2022:1183-1 |
| SLE Live Patching 15 SP3 | kernel-livepatch-SLE15-SP3_Update_17 | 1-150300.7.3.1 | SUSE-SU-2022:1183-1 |
| SLE Live Patching 15 SP2 | kernel-default | 5.3.18-150200.24.112.1 | SUSE-SU-2022:1197-1 |
| SLE Live Patching 15 SP2 | kernel-livepatch-SLE15-SP2_Update_26 | 1-150200.5.5.1 | SUSE-SU-2022:1197-1 |
| SLE Live Patching 15 SP1 | kernel-default | 4.12.14-150100.197.111.1 | SUSE-SU-2022:1256-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_30 | 1-150100.3.3.1 | SUSE-SU-2022:1256-1 |
| SLE Live Patching 15 | kernel-default | 4.12.14-150000.150.89.1 | SUSE-SU-2022:1255-1 |
| SLE Live Patching 15 | kernel-livepatch-SLE15_Update_29 | 1-150000.1.3.1 | SUSE-SU-2022:1255-1 |
| SLE Live Patching 12 SP5 | kernel-default | 4.12.14-122.116.1 | SUSE-SU-2022:1196-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_30 | 1-8.3.1 | SUSE-SU-2022:1196-1 |
| SLE Live Patching 12 SP4 | kernel-default | 4.12.14-95.96.1 | SUSE-SU-2022:1267-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_26 | 1-6.3.1 | SUSE-SU-2022:1267-1 |
| SLE HPC 15 SP2 | kernel-default-base | 5.3.18-150200.24.112.1.150200.9.52.2 | SUSE-SU-2022:1197-1 |
| SLE HPC 15 SP2 | kernel-docs +5 | 5.3.18-150200.24.112.1 | SUSE-SU-2022:1197-1 |
| SLE HPC 15 SP1 | kernel-docs +4 | 4.12.14-150100.197.111.1 | SUSE-SU-2022:1256-1 |
| SLE HPC 15 | kernel-docs +5 | 4.12.14-150000.150.89.1 | SUSE-SU-2022:1255-1 |
| SUSE Real Time Module 15 SP3 | kernel-rt +3 | 5.3.18-150300.85.1 | SUSE-SU-2022:1407-1 |
| SUSE Real Time Module 15 SP2 | kernel-rt +2 | 5.3.18-150200.79.2 | SUSE-SU-2022:1257-1 |
| SUSE Real Time Module 15 SP2 | kernel-syms-rt | 5.3.18-150200.79.1 | SUSE-SU-2022:1257-1 |
| SUSE OpenStack Cloud Crowbar 9 | kernel-syms +2 | 4.12.14-95.96.1 | SUSE-SU-2022:1267-1 |
| SUSE OpenStack Cloud Crowbar 8 | kernel-syms +2 | 4.4.180-94.161.1 | SUSE-SU-2022:1270-1 |
| SUSE OpenStack Cloud Crowbar 8 | kgraft-patch-SLE12-SP3_Update_44 | 1-4.5.1 | SUSE-SU-2022:1270-1 |
| SUSE OpenStack Cloud 9 | kernel-syms +2 | 4.12.14-95.96.1 | SUSE-SU-2022:1267-1 |
| SUSE OpenStack Cloud 8 | kernel-syms +2 | 4.4.180-94.161.1 | SUSE-SU-2022:1270-1 |
| SUSE OpenStack Cloud 8 | kgraft-patch-SLE12-SP3_Update_44 | 1-4.5.1 | SUSE-SU-2022:1270-1 |
| SUSE Manager Server 4.1 | kernel-default-base | 5.3.18-150200.24.112.1.150200.9.52.2 | SUSE-SU-2022:1197-1 |
| SUSE Manager Server 4.1 | kernel-docs +5 | 5.3.18-150200.24.112.1 | SUSE-SU-2022:1197-1 |
| SUSE Manager Retail Branch Server 4.1 | kernel-default-base | 5.3.18-150200.24.112.1.150200.9.52.2 | SUSE-SU-2022:1197-1 |
| SUSE Manager Retail Branch Server 4.1 | kernel-docs +4 | 5.3.18-150200.24.112.1 | SUSE-SU-2022:1197-1 |
| SUSE Manager Proxy 4.1 | kernel-default-base | 5.3.18-150200.24.112.1.150200.9.52.2 | SUSE-SU-2022:1197-1 |
| SUSE Manager Proxy 4.1 | kernel-docs +4 | 5.3.18-150200.24.112.1 | SUSE-SU-2022:1197-1 |
| SUSE HPE Helion OpenStack 8 | kernel-syms +2 | 4.4.180-94.161.1 | SUSE-SU-2022:1270-1 |
| SUSE HPE Helion OpenStack 8 | kgraft-patch-SLE12-SP3_Update_44 | 1-4.5.1 | SUSE-SU-2022:1270-1 |
| SUSE Enterprise Storage 7 | kernel-default-base | 5.3.18-150200.24.112.1.150200.9.52.2 | SUSE-SU-2022:1197-1 |
| SUSE Enterprise Storage 7 | kernel-docs +5 | 5.3.18-150200.24.112.1 | SUSE-SU-2022:1197-1 |
| SUSE Enterprise Storage 6 | kernel-docs +4 | 4.12.14-150100.197.111.1 | SUSE-SU-2022:1256-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.3 | dtb-aarch64 +7 | 5.3.18-150300.59.63.1 | SUSE-SU-2022:1183-1 |
| openSUSE Leap 15.3 | kernel-azure +2 | 5.3.18-150300.38.53.1 | SUSE-SU-2022:1163-1 |
| openSUSE Leap 15.3 | kernel-debug +4 | 4.12.14-150100.197.111.1 | SUSE-SU-2022:1256-1, SUSE-SU-2022:1183-1 |
| openSUSE Leap 15.3 | kernel-default-base | 5.3.18-150300.59.63.1.150300.18.39.1 | SUSE-SU-2022:1183-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | kernel-uek +5 | 4.1.12-124.62.3.el7uek | ELSA-2022-9348 |
Advisories 19
- USN-6014-1 linux, linux-kvm, linux-lts-xenial vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-6013-1 linux-aws vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-6001-1 linux-aws vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- WID-SEC-2022-0156 Linux Kernel: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 26, 2026
- SUSE-SU-2022:1402-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1257-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1163-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1267-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1270-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1183-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1255-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1196-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0416-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1283-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1256-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1197-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1266-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1407-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- ELSA-2022-9348 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · May 3, 2022
References
- https://bugzilla.kernel.org/show_bug.cgi?id=214655
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9bf3d20331295b1ecb81f4ed9ef358c51699a050
- https://www.openwall.com/lists/oss-security/2022/03/17/2
- https://www.openwall.com/lists/oss-security/2022/03/17/1
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.3
- https://security.netapp.com/advisory/ntap-20220419-0003/