Description
A use after free in the Linux kernel File System notify functionality was found in the way user triggers copy_info_records_to_user() call to fail in copy_event_to_user(). A local user could use this flaw to crash the system or potentially escalate their privileges on the system.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Kernel | Linux kernel 5.17-rc3 | — |
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 | 5.16.7-1 | — |
| Debian 13 | linux | 5.16.7-1 | — |
| Debian 12 | linux | 5.16.7-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | linux-aws-5.13 | 5.13.0-1023.25~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-azure-5.13 | 5.13.0-1023.27~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-gcp-5.13 | 5.13.0-1025.30~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-hwe-5.13 | 5.13.0-41.46~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-intel-5.13 | 5.13.0-1014.15 | — |
| Ubuntu 20.04 LTS | linux-intel-iotg-5.15 | 5.15.0-1008.11~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-oem-5.14 | 5.14.0-1027.30 | — |
| Ubuntu 20.04 LTS | linux-oracle-5.13 | 5.13.0-1028.33~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-riscv +16 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp +12 | No fix yet | — |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | kernel-rt +12 | 5.14.0-162.6.1.rt21.168.el9_1 | RHSA-2022:7933 |
| RHEL 9 | perf +29 | 5.14.0-162.6.1.el9_1 | RHSA-2022:8267 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | kernel-rt +11 | 5.14.0-162.6.1.rt21.168.el9_1 | ALSA-2022:7933 |
| AlmaLinux 9 | perf +27 | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP4 | kernel-64kb +6 | 5.14.21-150400.24.11.1 | SUSE-SU-2022:2520-1 |
| SLES 15 SP4 | kernel-azure +2 | 5.14.21-150400.14.7.1 | SUSE-SU-2022:2615-1 |
| SLES 15 SP4 | kernel-default-base | 5.14.21-150400.24.11.1.150400.24.3.6 | SUSE-SU-2022:2520-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLE Live Patching 15 SP4 | kernel-default | 5.14.21-150400.24.11.1 | SUSE-SU-2022:2520-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4_Update_1 | 1-150400.9.5.3 | SUSE-SU-2022:2520-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.4 | dtb-aarch64 +10 | 5.14.21-150400.24.11.1 | SUSE-SU-2022:2520-1 |
| openSUSE Leap 15.4 | kernel-azure +2 | 5.14.21-150400.14.7.1 | SUSE-SU-2022:2615-1 |
| openSUSE Leap 15.4 | kernel-default-base | 5.14.21-150400.24.11.1.150400.24.3.6 | SUSE-SU-2022:2520-1 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | kernel | 5.15.48.1-2 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | perf +21 | 5.14.0-162.6.1.el9_1 | ELSA-2022-8267 |
Advisories 7
- ALSA-2022:8267 Moderate: kernel security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2022:7933 Moderate: kernel-rt security and bug fix update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2022:8267 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2022:7933 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- SUSE-SU-2022:2520-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2615-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- ELSA-2022-8267 Moderate: kernel security, bug fix, and enhancement update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Nov 22, 2022