Description
An issue was discovered in fs/gfs2/rgrp.c in the Linux kernel before 4.8. A use-after-free is caused by the functions gfs2_clear_rgrpd and read_rindex_entry.
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 | 4.8.5-1 | — |
| Debian 13 | linux | 4.8.5-1 | — |
| Debian 12 | linux | 4.8.5-1 | — |
| Debian 8 | linux | 3.16.74-1 | DLA-1930-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.04 LTS | linux-vmware | No fix yet | — |
| Ubuntu 24.04 LTS | linux-raspi-realtime | No fix yet | — |
| Ubuntu 22.04 LTS | linux-riscv +2 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-gke +3 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-snapdragon | 4.15.0-1053.57 | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | linux | 4.4.0-165.193 | USN-4145-1 |
| Ubuntu 16.04 LTS | linux-aws | 4.4.0-1095.106 | USN-4145-1 |
| Ubuntu 16.04 LTS | linux-kvm | 4.4.0-1059.66 | USN-4145-1 |
| Ubuntu 16.04 LTS | linux-raspi2 | 4.4.0-1123.132 | USN-4145-1 |
| Ubuntu 16.04 LTS | linux-snapdragon | 4.4.0-1127.135 | USN-4145-1 |
| Ubuntu Pro FIPS 16.04 LTS | linux-fips | No fix yet | — |
| Ubuntu Pro FIPS-updates 16.04 LTS | linux-fips | 4.4.0-1022.27 | — |
| Ubuntu Pro 14.04 LTS | linux | No fix yet | — |
| Ubuntu Pro 14.04 LTS | linux-aws | 4.4.0-1055.59 | — |
| Ubuntu Pro 14.04 LTS | linux-lts-xenial | 4.4.0-165.193~14.04.1 | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | kernel-syms +2 | 4.4.180-94.156.1 | SUSE-SU-2022:0762-1 |
| SLES 12 SP3 | kgraft-patch-SLE12-SP3_Update_43 | 1-4.3.1 | SUSE-SU-2022:0762-1 |
| SLES 12 SP2 | kernel-syms +2 | 4.4.121-92.169.1 | SUSE-SU-2022:0756-1 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP3 | kernel-syms +2 | 4.4.180-94.156.1 | SUSE-SU-2022:0762-1 |
| SLES for SAP 12 SP3 | kgraft-patch-SLE12-SP3_Update_43 | 1-4.3.1 | SUSE-SU-2022:0762-1 |
| SUSE OpenStack Cloud Crowbar 8 | kernel-syms +2 | 4.4.180-94.156.1 | SUSE-SU-2022:0762-1 |
| SUSE OpenStack Cloud Crowbar 8 | kgraft-patch-SLE12-SP3_Update_43 | 1-4.3.1 | SUSE-SU-2022:0762-1 |
| SUSE OpenStack Cloud 8 | kernel-syms +2 | 4.4.180-94.156.1 | SUSE-SU-2022:0762-1 |
| SUSE OpenStack Cloud 8 | kgraft-patch-SLE12-SP3_Update_43 | 1-4.3.1 | SUSE-SU-2022:0762-1 |
| SUSE HPE Helion OpenStack 8 | kernel-syms +2 | 4.4.180-94.156.1 | SUSE-SU-2022:0762-1 |
| SUSE HPE Helion OpenStack 8 | kgraft-patch-SLE12-SP3_Update_43 | 1-4.3.1 | SUSE-SU-2022:0762-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | dtrace-modules-3.8.13-118.50.1.el6uek | 0.4.5-3.el6 | ELSA-2020-5879 |
| Oracle Linux 7 | dtrace-modules-3.8.13-118.50.1.el7uek | 0.4.5-3.el7 | ELSA-2020-5879 |
| Oracle Linux 7 | kernel-uek +5 | 3.8.13-118.50.1.el7uek | ELSA-2020-5879, ELSA-2020-5866 |
Advisories 6
- USN-4145-1 linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Sep 7, 2026
- DLA-1930-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2022:0762-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:0756-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- ELSA-2020-5879 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Oct 9, 2020
- ELSA-2020-5866 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Oct 6, 2020
References
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=36e4ad0316c017d5b271378ed9a1c9a4b77fab5f
- [debian-lts-announce] 20190925 [SECURITY] [DLA 1930-1] linux security update mailing-list
- USN-4145-1 vendor-advisory
- https://support.f5.com/csp/article/K31332013
- https://support.f5.com/csp/article/K31332013?utm_source=f5support&%3Butm_medium=RSS
- http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html
- 20191108 [slackware-security] Slackware 14.2 kernel (SSA:2019-311-01) mailing-list
- http://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html