Description
An issue was discovered in the Linux kernel before 5.0.9. There is a use-after-free in atalk_proc_exit, related to net/appletalk/atalk_proc.c, net/appletalk/ddp.c, and net/appletalk/sysctl_net_atalk.c.
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 | 4.19.37-1 | — |
| Debian 13 | linux | 4.19.37-1 | — |
| Debian 12 | linux | 4.19.37-1 | — |
| Debian 8 | linux | 3.16.74-1 | DLA-1930-1 |
| Debian 8 | linux-4.9 | 4.9.189-3~deb8u1 | DLA-1919-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| 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 +2 | No fix yet | — |
| Ubuntu 18.04 LTS | linux | 4.15.0-60.67 | USN-4115-1 |
| Ubuntu 18.04 LTS | linux-aws | 4.15.0-1047.49 | USN-4118-1 |
| Ubuntu 18.04 LTS | linux-azure | 5.0.0-1014.14~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-gcp | 4.15.0-1042.45 | — |
| Ubuntu 18.04 LTS | linux-gke-4.15 | 4.15.0-1041.43 | USN-4115-1 |
| Ubuntu 18.04 LTS | linux-hwe | 5.0.0-23.24~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-hwe-edge | No fix yet | — |
| Ubuntu 18.04 LTS | linux-kvm | 4.15.0-1043.43 | USN-4115-1 |
| Ubuntu 18.04 LTS | linux-oem | 4.15.0-1056.65 | — |
| Ubuntu 18.04 LTS | linux-oem-osp1 | 5.0.0-1015.16 | — |
| Ubuntu 18.04 LTS | linux-oracle | 4.15.0-1022.25 | USN-4115-1 |
| Ubuntu 18.04 LTS | linux-raspi2 | 4.15.0-1044.47 | USN-4115-1 |
| Ubuntu 18.04 LTS | linux-snapdragon | 4.15.0-1062.69 | — |
| Ubuntu 16.04 LTS | linux | 4.4.0-150.176 | — |
| Ubuntu 16.04 LTS | linux-aws | 4.4.0-1084.94 | — |
| Ubuntu 16.04 LTS | linux-aws-hwe | 4.15.0-1047.49~16.04.1 | USN-4118-1 |
| Ubuntu 16.04 LTS | linux-azure | 4.15.0-1056.61 | USN-4115-1 |
| Ubuntu 16.04 LTS | linux-gcp | 4.15.0-1041.43 | USN-4115-1 |
| Ubuntu 16.04 LTS | linux-hwe | 4.15.0-60.67~16.04.1 | USN-4115-1 |
| Ubuntu 16.04 LTS | linux-kvm | 4.4.0-1047.53 | — |
| Ubuntu 16.04 LTS | linux-oracle | 4.15.0-1022.25~16.04.1 | USN-4115-1 |
| Ubuntu 16.04 LTS | linux-raspi2 | 4.4.0-1110.118 | — |
| Ubuntu 16.04 LTS | linux-snapdragon | 4.4.0-1114.119 | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro FIPS 18.04 LTS | linux-aws-fips +2 | No fix yet | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-aws-fips | 4.15.0-2018.18 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-azure-fips | 4.15.0-2006.7 | — |
| Ubuntu Pro FIPS-updates 16.04 LTS | linux-fips | 4.4.0-1011.14 | — |
| Ubuntu Pro 14.04 LTS | linux | No fix yet | — |
| Ubuntu Pro 14.04 LTS | linux-aws | 4.4.0-1054.58 | — |
| Ubuntu Pro 14.04 LTS | linux-azure | 4.15.0-1059.64~14.04.1 | — |
| Ubuntu Pro 14.04 LTS | linux-lts-xenial | 4.4.0-164.192~14.04.1 | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP1 | kernel-azure +2 | 4.12.14-8.16.1 | SUSE-SU-2019:2658-1 |
| SLES 15 SP1 | kernel-docs +5 | 4.12.14-197.18.1 | SUSE-SU-2019:2424-1 |
| SLES 15 | kernel-azure +2 | 4.12.14-5.41.1 | SUSE-SU-2019:2651-1 |
| SLES 15 | kernel-docs +6 | 4.12.14-150.35.1 | SUSE-SU-2019:2414-1 |
| SLES 12 SP4 | kernel-azure +2 | 4.12.14-6.26.1 | SUSE-SU-2019:2648-1 |
| SLES 12 SP4 | kernel-docs +4 | 4.12.14-95.32.1 | SUSE-SU-2019:2412-1 |
| SLES 11 SP4 | kernel-ec2 +8 | 3.0.101-108.108.1 | SUSE-SU-2019:14218-1 |
| SLES 11 SP4 | ocfs2 | 1.6-0.28.11.2 | SUSE-SU-2019:14218-1 |
Show 6 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP4 | kernel-azure +2 | 4.12.14-6.26.1 | SUSE-SU-2019:2648-1 |
| SLES for SAP 12 SP4 | kernel-syms +2 | 4.12.14-95.32.1 | SUSE-SU-2019:2412-1 |
| SLE Real Time 12 SP4 | kernel-rt +3 | 4.12.14-8.6.1 | SUSE-SU-2019:2756-1 |
| SLE Live Patching 15 SP1 | kernel-default | 4.12.14-197.18.1 | SUSE-SU-2019:2424-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_5 | 1-3.3.1 | SUSE-SU-2019:2424-1 |
| SLE Live Patching 15 | kernel-default | 4.12.14-150.35.1 | SUSE-SU-2019:2414-1 |
| SLE Live Patching 15 | kernel-livepatch-SLE15_Update_14 | 1-1.3.1 | SUSE-SU-2019:2414-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_8 | 1-6.3.1 | SUSE-SU-2019:2412-1 |
| SUSE Real Time Module 15 SP1 | kernel-rt +3 | 4.12.14-14.11.1 | SUSE-SU-2019:2738-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.1 | kernel-docs +8 | 4.12.14-lp151.28.16.1 | openSUSE-SU-2019:2181-1 |
| openSUSE Leap 15.0 | kernel-docs +8 | 4.12.14-lp150.12.73.1 | openSUSE-SU-2019:2173-1 |
Advisories 15
- USN-4115-1 linux, linux-azure, linux-gcp, linux-gke-4.15, linux-hwe, linux-kvm, linux-oracle, linux-raspi2 vulnerabilities Ubuntu Security Notices (USN) · Sep 7, 2026
- USN-4118-1 linux-aws vulnerabilities Ubuntu Security Notices (USN) · Sep 7, 2026
- DLA-1919-1 linux-4.9 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1930-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2019:2173-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2756-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:14218-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2648-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2414-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2412-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2658-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2651-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:2181-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 7, 2025
- SUSE-SU-2019:2424-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- SUSE-SU-2019:2738-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
References
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6377f787aeb945cae7abbb6474798de129e1f3ac
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.9
- USN-4115-1 vendor-advisory
- USN-4118-1 vendor-advisory
- https://security.netapp.com/advisory/ntap-20190905-0002/
- [debian-lts-announce] 20190914 [SECURITY] [DLA 1919-1] linux-4.9 security update mailing-list
- [debian-lts-announce] 20190915 [SECURITY] [DLA 1919-2] linux-4.9 security update mailing-list
- openSUSE-SU-2019:2173 vendor-advisory
- openSUSE-SU-2019:2181 vendor-advisory
- [debian-lts-announce] 20190925 [SECURITY] [DLA 1930-1] linux security update mailing-list
- https://support.f5.com/csp/article/K27112954
- https://support.f5.com/csp/article/K27112954?utm_source=f5support&%3Butm_medium=RSS