Description
In pppol2tp_create of l2tp_ppp.c, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-186777253References: Upstream kernel
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Android | Android kernel | — |
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 | 4.15.11-1 | — |
| Debian 13 | linux | 4.15.11-1 | — |
| Debian 12 | linux | 4.15.11-1 | — |
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-riscv +22 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp +13 | No fix yet | — |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro FIPS-updates 16.04 LTS | linux-fips | 4.4.0-1099.106 | — |
| Ubuntu Pro 16.04 LTS | linux | 4.4.0-252.286 | USN-6700-1 |
| Ubuntu Pro 16.04 LTS | linux-aws | 4.4.0-1167.182 | USN-6700-2 |
| Ubuntu Pro 16.04 LTS | linux-kvm | 4.4.0-1130.140 | USN-6700-1 |
| Ubuntu Pro 14.04 LTS | linux-aws | 4.4.0-1129.135 | USN-6700-1 |
| Ubuntu Pro 14.04 LTS | linux-lts-xenial | 4.4.0-252.286~14.04.1 | USN-6700-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP1 | kernel-docs +5 | 4.12.14-150100.197.142.1 | SUSE-SU-2023:1848-1 |
| SLES 12 SP5 | kernel-azure +2 | 4.12.14-16.130.1 | SUSE-SU-2023:1801-1 |
| SLES 12 SP5 | kernel-docs +4 | 4.12.14-122.156.1 | SUSE-SU-2023:1803-1 |
| SLES 12 SP4 | drbd | 9.0.14+git.62f906cf-4.26.2 | SUSE-SU-2023:2232-1 |
| SLES 12 SP4 | kernel-syms +2 | 4.12.14-95.125.1 | SUSE-SU-2023:2232-1 |
Show 9 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP1 | kernel-docs +4 | 4.12.14-150100.197.142.1 | SUSE-SU-2023:1848-1 |
| SLES for SAP 12 SP5 | kernel-azure +2 | 4.12.14-16.130.1 | SUSE-SU-2023:1801-1 |
| SLES for SAP 12 SP5 | kernel-syms +2 | 4.12.14-122.156.1 | SUSE-SU-2023:1803-1 |
| SLE Real Time 12 SP5 | kernel-rt +3 | 4.12.14-10.121.1 | SUSE-SU-2023:1894-1 |
| SLE Live Patching 15 SP1 | kernel-default | 4.12.14-150100.197.142.1 | SUSE-SU-2023:1848-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_39 | 1-150100.3.5.1 | SUSE-SU-2023:1848-1 |
| SLE Live Patching 12 SP5 | kernel-default | 4.12.14-122.156.1 | SUSE-SU-2023:1803-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_42 | 1-8.3.1 | SUSE-SU-2023:1803-1 |
| SLE Live Patching 12 SP4 | kernel-default | 4.12.14-95.125.1 | SUSE-SU-2023:2232-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_35 | 1-6.5.1 | SUSE-SU-2023:2232-1 |
| SLE HPC 15 SP1 | kernel-docs +4 | 4.12.14-150100.197.142.1 | SUSE-SU-2023:1848-1 |
| SUSE OpenStack Cloud Crowbar 9 | kernel-syms +2 | 4.12.14-95.125.1 | SUSE-SU-2023:2232-1 |
| SUSE OpenStack Cloud 9 | kernel-syms +2 | 4.12.14-95.125.1 | SUSE-SU-2023:2232-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.4 | kernel-debug +4 | 4.12.14-150100.197.142.1 | SUSE-SU-2023:1848-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | kernel-livepatch-4.14.299-223.520 | 1.0-0.amzn2 | ALAS2-2022-1888 |
| Amazon Linux 2 | perf +8 | 4.14.299-223.520.amzn2 | ALAS2-2022-1888 |
Advisories 10
- USN-6700-2 linux-aws vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-6700-1 linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- WID-SEC-2024-0794 Dell ECS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 11, 2026
- SUSE-SU-2023:1801-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:1894-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:1803-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:1848-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:2232-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- ALAS2-2022-1888 Important: kernel security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Dec 19, 2025
- WID-SEC-2022-2234 Android Patchday Dezember 2022 BSI CERT-Bund (WID) · Apr 10, 2023