Description
An out-of-bounds (OOB) memory write flaw was found in the Linux kernel’s watch_queue event notification subsystem. This flaw can overwrite parts of the kernel state, potentially allowing a local user to gain privileged access or cause a denial of service on the system.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | kernel | kernel 5.17 rc8 | — |
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 | 5.16.18-1 | — |
| Debian 13 | linux | 5.16.18-1 | — |
| Debian 12 | linux | 5.16.18-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Nvidia-BlueField 22.04 LTS | linux-bluefield | 5.15.0-1064.66 | — |
| Ubuntu 24.04 LTS | linux-raspi-realtime | No fix yet | — |
| Ubuntu 22.04 LTS | linux +1 | 5.15.0-138.148 | USN-7455-1 |
| Ubuntu 22.04 LTS | linux-aws | 5.15.0-1082.89 | USN-7455-1 |
| Ubuntu 22.04 LTS | linux-azure | 5.15.0-1087.96 | USN-7455-1 |
| Ubuntu 22.04 LTS | linux-azure-fde | 5.15.0-1087.96.1 | USN-7455-1 |
| Ubuntu 22.04 LTS | linux-gcp | 5.15.0-1081.90 | USN-7455-1 |
| Ubuntu 22.04 LTS | linux-gke +1 | 5.15.0-1079.85 | USN-7455-1 |
| Ubuntu 22.04 LTS | linux-gkeop | 5.15.0-1064.72 | USN-7455-1 |
| Ubuntu 22.04 LTS | linux-ibm | 5.15.0-1074.77 | USN-7455-1 |
| Ubuntu 22.04 LTS | linux-intel-iotg | 5.15.0-1077.83 | USN-7455-1 |
| Ubuntu 22.04 LTS | linux-kvm | 5.15.0-1078.83 | USN-7455-1 |
| Ubuntu 22.04 LTS | linux-nvidia | 5.15.0-1076.77 | USN-7455-1 |
| Ubuntu 22.04 LTS | linux-nvidia-tegra | 5.15.0-1035.35 | USN-7455-1 |
| Ubuntu 22.04 LTS | linux-nvidia-tegra-igx | 5.15.0-1023.23 | USN-7455-1 |
| Ubuntu 22.04 LTS | linux-raspi | 5.15.0-1076.79 | USN-7455-1 |
| Ubuntu 22.04 LTS | linux-riscv +12 | No fix yet | — |
| Ubuntu 22.04 LTS | linux-xilinx-zynqmp | 5.15.0-1046.50 | USN-7475-1 |
| Ubuntu 20.04 LTS | linux-aws-5.15 | 5.15.0-1082.89~20.04.1 | USN-7455-5 |
| Ubuntu 20.04 LTS | linux-azure-5.15 | 5.15.0-1087.96~20.04.1 | USN-7455-1 |
| Ubuntu 20.04 LTS | linux-azure-fde-5.15 | 5.15.0-1087.96~20.04.1.1 | USN-7455-1 |
| Ubuntu 20.04 LTS | linux-gcp-5.15 | 5.15.0-1081.90~20.04.1 | USN-7459-2 |
| Ubuntu 20.04 LTS | linux-hwe-5.15 +1 | 5.15.0-138.148~20.04.1 | USN-7455-1 |
| Ubuntu 20.04 LTS | linux-ibm-5.15 | 5.15.0-1074.77~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-intel-iotg-5.15 | 5.15.0-1077.83~20.04.1 | USN-7459-1 |
| Ubuntu 20.04 LTS | linux-oracle-5.15 | 5.15.0-1079.85~20.04.1 | USN-7455-4 |
| Ubuntu 20.04 LTS | linux-riscv +25 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-riscv-5.15 | 5.15.0-1077.81~20.04.1 | — |
| Ubuntu 18.04 LTS | linux-gcp +11 | No fix yet | — |
Show 16 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
| Ubuntu Pro Realtime 22.04 LTS | linux-intel-iot-realtime | 5.15.0-1075.77 | USN-7455-3 |
| Ubuntu Pro Realtime 22.04 LTS | linux-realtime | 5.15.0-1082.91 | USN-7455-3 |
| 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 22.04 LTS | linux-aws-fips | 5.15.0-1082.89+fips1 | USN-7455-2 |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-azure-fips | 5.15.0-1087.96+fips1 | USN-7460-1 |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-fips | 5.15.0-138.148+fips1 | USN-7455-2 |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-gcp-fips | 5.15.0-1081.90+fips1 | USN-7455-2 |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS-updates 16.04 LTS | linux-fips | No fix yet | — |
| Ubuntu Pro FIPS-preview 22.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro 24.04 LTS | linux | 6.8.0-57.59 | LSN-0112-1, LSN-0111-1 |
| Ubuntu Pro 24.04 LTS | linux-aws | 6.8.0-1026.28 | LSN-0112-1, LSN-0111-1 |
| Ubuntu Pro 24.04 LTS | linux-azure | 6.8.0-1026.31 | LSN-0112-1, LSN-0111-1 |
| Ubuntu Pro 24.04 LTS | linux-gcp | 6.8.0-1027.29 | LSN-0112-1, LSN-0111-1 |
| Ubuntu Pro 24.04 LTS | linux-ibm | 6.8.0-1023.23 | LSN-0112-1, LSN-0111-1 |
| Ubuntu Pro 24.04 LTS | linux-oracle | 6.8.0-1025.26 | LSN-0112-1 |
| Ubuntu Pro 22.04 LTS | linux | 5.15.0-138.148 | LSN-0112-1, LSN-0111-1 |
| Ubuntu Pro 22.04 LTS | linux-aws | 5.15.0-1082.89 | LSN-0112-1, LSN-0111-1 |
| Ubuntu Pro 22.04 LTS | linux-azure | 5.15.0-1087.96 | LSN-0112-1, LSN-0111-1 |
| Ubuntu Pro 22.04 LTS | linux-gcp | 5.15.0-1081.90 | LSN-0112-1, LSN-0111-1 |
| Ubuntu Pro 22.04 LTS | linux-gke +1 | 5.15.0-1079.85 | LSN-0112-1, LSN-0111-1 |
| Ubuntu Pro 22.04 LTS | linux-ibm | 5.15.0-1074.77 | LSN-0112-1, LSN-0111-1 |
| Ubuntu Pro 20.04 LTS | linux | 5.4.0-212.232 | LSN-0112-1, LSN-0111-1 |
| Ubuntu Pro 20.04 LTS | linux-aws | 5.4.0-1144.154 | LSN-0112-1, LSN-0111-1 |
| Ubuntu Pro 20.04 LTS | linux-aws-5.15 | 5.15.0-1082.89~20.04.1 | LSN-0112-1, LSN-0111-1 |
| Ubuntu Pro 20.04 LTS | linux-azure | 5.4.0-1148.155 | LSN-0112-1, LSN-0111-1 |
| Ubuntu Pro 20.04 LTS | linux-azure-5.15 | 5.15.0-1087.96~20.04.1 | LSN-0112-1, LSN-0111-1 |
| Ubuntu Pro 20.04 LTS | linux-azure-fde-5.15 | 5.15.0-1114.123~20.04.1 | — |
| Ubuntu Pro 20.04 LTS | linux-gcp | 5.4.0-1146.155 | LSN-0112-1, LSN-0111-1 |
| Ubuntu Pro 20.04 LTS | linux-gcp-5.15 | 5.15.0-1081.90~20.04.1 | LSN-0112-1, LSN-0111-1 |
| Ubuntu Pro 20.04 LTS | linux-gkeop | 5.4.0-1037.38 | LSN-0112-1, LSN-0111-1 |
| Ubuntu Pro 20.04 LTS | linux-hwe-5.15 +1 | 5.15.0-138.148~20.04.1 | LSN-0112-1, LSN-0111-1 |
| Ubuntu Pro 20.04 LTS | linux-ibm | 5.4.0-1089.94 | LSN-0112-1, LSN-0111-1 |
| Ubuntu Pro 20.04 LTS | linux-ibm-5.15 | 5.15.0-1074.77~20.04.1 | LSN-0112-1, LSN-0111-1 |
| Ubuntu Pro 20.04 LTS | linux-iot +4 | No fix yet | — |
| Ubuntu Pro 20.04 LTS | linux-nvidia-tegra-5.15 | 5.15.0-1039.39~20.04.1 | — |
| Ubuntu Pro 20.04 LTS | linux-oracle | 5.4.0-1141.151 | LSN-0112-1, LSN-0111-1 |
| Ubuntu Pro 20.04 LTS | linux-oracle-5.15 | 5.15.0-1079.85~20.04.1 | LSN-0112-1, LSN-0111-1 |
| Ubuntu Pro 18.04 LTS | linux | 4.15.0-237.249 | LSN-0112-1, LSN-0111-1 |
| Ubuntu Pro 18.04 LTS | linux-aws | 4.15.0-1180.193 | LSN-0112-1, LSN-0111-1 |
| Ubuntu Pro 18.04 LTS | linux-azure-4.15 | 4.15.0-1188.203 | LSN-0112-1, LSN-0111-1 |
| Ubuntu Pro 18.04 LTS | linux-gcp-4.15 | 4.15.0-1173.190 | LSN-0112-1, LSN-0111-1 |
| Ubuntu Pro 18.04 LTS | linux-hwe-5.4 | 5.4.0-212.232~18.04.1 | LSN-0112-1, LSN-0111-1 |
| Ubuntu Pro 18.04 LTS | linux-kvm +6 | No fix yet | — |
| Ubuntu Pro 18.04 LTS | linux-oracle | 4.15.0-1142.153 | LSN-0112-1, LSN-0111-1 |
| Ubuntu Pro 16.04 LTS | linux | 4.4.0-278.312 | LSN-0112-1 |
| Ubuntu Pro 16.04 LTS | linux-aws | 4.4.0-1190.205 | LSN-0112-1 |
| Ubuntu Pro 16.04 LTS | linux-aws-hwe | 4.15.0-1180.193~16.04.1 | LSN-0112-1, LSN-0111-1 |
| Ubuntu Pro 16.04 LTS | linux-azure | 4.15.0-1188.203~16.04.1 | LSN-0112-1, LSN-0111-1 |
| Ubuntu Pro 16.04 LTS | linux-gcp | 4.15.0-1173.190~16.04.1 | LSN-0112-1, LSN-0111-1 |
| Ubuntu Pro 16.04 LTS | linux-hwe | 4.15.0-237.249~16.04.1 | LSN-0112-1, LSN-0111-1 |
| Ubuntu Pro 16.04 LTS | linux-kvm +1 | No fix yet | — |
| Ubuntu Pro 14.04 LTS | linux +2 | No fix yet | — |
| Ubuntu Pro 14.04 LTS | linux-lts-xenial | 4.4.0-268.302~14.04.1 | LSN-0111-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP5 | kernel-64kb +6 | 5.14.21-150500.55.100.1 | SUSE-SU-2025:1241-1 |
| SLES 15 SP5 | kernel-default-base | 5.14.21-150500.55.100.1.150500.6.47.1 | SUSE-SU-2025:1241-1 |
| SLES 15 SP4 | kernel-64kb +6 | 5.14.21-150400.24.158.1 | SUSE-SU-2025:1027-1 |
| SLES 15 SP4 | kernel-default-base | 5.14.21-150400.24.158.1.150400.24.78.1 | SUSE-SU-2025:1027-1 |
Show 11 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP5 | kernel-default-base | 5.14.21-150500.55.100.1.150500.6.47.1 | SUSE-SU-2025:1241-1 |
| SLES for SAP 15 SP5 | kernel-docs +4 | 5.14.21-150500.55.100.1 | SUSE-SU-2025:1241-1 |
| SLES for SAP 15 SP4 | kernel-default-base | 5.14.21-150400.24.158.1.150400.24.78.1 | SUSE-SU-2025:1027-1 |
| SLES for SAP 15 SP4 | kernel-docs +4 | 5.14.21-150400.24.158.1 | SUSE-SU-2025:1027-1 |
| SLE Micro 5.5 | kernel-default-base | 5.14.21-150500.55.100.1.150500.6.47.1 | SUSE-SU-2025:1241-1 |
| SLE Micro 5.5 | kernel-rt +1 | 5.14.21-150500.13.91.1 | SUSE-SU-2025:1176-1 |
| SLE Micro 5.5 | kernel-source +1 | 5.14.21-150500.55.100.1 | SUSE-SU-2025:1241-1 |
| SLE Micro 5.4 | kernel-default | 5.14.21-150400.24.158.1 | SUSE-SU-2025:1027-1 |
| SLE Micro 5.4 | kernel-default-base | 5.14.21-150400.24.158.1.150400.24.78.1 | SUSE-SU-2025:1027-1 |
| SLE Micro 5.4 | kernel-rt +1 | 5.14.21-150400.15.115.1 | SUSE-SU-2025:1183-1 |
| SLE Micro 5.3 | kernel-default | 5.14.21-150400.24.158.1 | SUSE-SU-2025:1027-1 |
| SLE Micro 5.3 | kernel-default-base | 5.14.21-150400.24.158.1.150400.24.78.1 | SUSE-SU-2025:1027-1 |
| SLE Micro 5.3 | kernel-rt +1 | 5.14.21-150400.15.115.1 | SUSE-SU-2025:1183-1 |
| SLE Live Patching 15 SP5 | kernel-default | 5.14.21-150500.55.100.1 | SUSE-SU-2025:1241-1 |
| SLE Live Patching 15 SP5 | kernel-livepatch-SLE15-SP5_Update_25 | 1-150500.11.3.1 | SUSE-SU-2025:1241-1 |
| SLE Live Patching 15 SP4 | kernel-default | 5.14.21-150400.24.158.1 | SUSE-SU-2025:1027-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4_Update_38 | 1-150400.9.3.1 | SUSE-SU-2025:1027-1 |
| SLE HPC 15 SP5 | kernel-64kb +5 | 5.14.21-150500.55.100.1 | SUSE-SU-2025:1241-1 |
| SLE HPC 15 SP5 | kernel-default-base | 5.14.21-150500.55.100.1.150500.6.47.1 | SUSE-SU-2025:1241-1 |
| SLE HPC 15 SP4 | kernel-64kb +5 | 5.14.21-150400.24.158.1 | SUSE-SU-2025:1027-1 |
| SLE HPC 15 SP4 | kernel-default-base | 5.14.21-150400.24.158.1.150400.24.78.1 | SUSE-SU-2025:1027-1 |
| SUSE Manager Server 4.3 | kernel-default-base | 5.14.21-150400.24.158.1.150400.24.78.1 | SUSE-SU-2025:1027-1 |
| SUSE Manager Server 4.3 | kernel-syms +3 | 5.14.21-150400.24.158.1 | SUSE-SU-2025:1027-1 |
| SUSE Manager Proxy 4.3 | kernel-default-base | 5.14.21-150400.24.158.1.150400.24.78.1 | SUSE-SU-2025:1027-1 |
| SUSE Manager Proxy 4.3 | kernel-syms +2 | 5.14.21-150400.24.158.1 | SUSE-SU-2025:1027-1 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | kernel | 5.15.32.1-3 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Metasploit 1 module
-
Watch Queue Out of Bounds Write
exploit/linux/local/cve_2022_0995_watch_queue
GitHub 4 repositories
-
Bonfee/CVE-2022-0995 ★ 498 · Mar 26, 2022
CVE-2022-0995 exploit
-
1nzag/CVE-2022-0995 ★ 2 · Jan 3, 2024
CVE-2022-0995 exploit
-
AndreevSemen/CVE-2022-0995 ★ 1 · Mar 10, 2023
Реализация средств повышения привилегий в Linux
-
A1b2rt/cve-2022-0995 ★ 0 · Jun 25, 2025
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 17
- USN-7455-1 linux, linux-aws, linux-azure, linux-azure-5.15, linux-azure-fde, linux-azure-fde-5.15, linux-gcp, linux-gke, linux-gkeop, linux-hwe-5.15, linux-ibm, linux-intel-iotg, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-nvidia, linux-nvidia-tegra, linux-nvidia-tegra-igx, linux-oracle, linux-raspi vulnerabilities Ubuntu Security Notices (USN) · Oct 30, 2026
- USN-7459-1 linux-intel-iotg-5.15 vulnerabilities Ubuntu Security Notices (USN) · Oct 30, 2026
- USN-7459-2 linux-gcp-5.15 vulnerabilities Ubuntu Security Notices (USN) · Oct 30, 2026
- USN-7455-2 linux-aws-fips, linux-fips, linux-gcp-fips vulnerabilities Ubuntu Security Notices (USN) · Oct 30, 2026
- USN-7460-1 linux-azure-fips vulnerabilities Ubuntu Security Notices (USN) · Oct 30, 2026
- USN-7475-1 linux-xilinx-zynqmp vulnerabilities Ubuntu Security Notices (USN) · Oct 30, 2026
- USN-7455-5 linux-aws-5.15 vulnerabilities Ubuntu Security Notices (USN) · Oct 30, 2026
- USN-7455-4 linux-oracle-5.15 vulnerabilities Ubuntu Security Notices (USN) · Oct 30, 2026
- USN-7455-3 linux-intel-iot-realtime, linux-realtime vulnerabilities Ubuntu Security Notices (USN) · Oct 30, 2026
- WID-SEC-2022-0156 Linux Kernel: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 26, 2026
- LSN-0112-1 Kernel Live Patch Security Notice Ubuntu Security Notices (USN) · Jun 3, 2026
- LSN-0111-1 Kernel Live Patch Security Notice Ubuntu Security Notices (USN) · Jun 3, 2026
- SUSE-SU-2025:1176-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2025:1241-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2025:1027-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2025:1183-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2022-0887 Android Patchday August 2022 BSI CERT-Bund (WID) · Sep 29, 2024
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2063786
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=93ce93587d36493f2f86921fa79921b3cba63fbb
- http://packetstormsecurity.com/files/166770/Linux-watch_queue-Filter-Out-Of-Bounds-Write.html
- http://packetstormsecurity.com/files/166815/Watch-Queue-Out-Of-Bounds-Write.html
- https://security.netapp.com/advisory/ntap-20220429-0001/