Description
In the Linux kernel, the following vulnerability has been resolved:
net: bridge: mst: pass vlan group directly to br_mst_vlan_set_state
Pass the already obtained vlan group pointer to br_mst_vlan_set_state()
instead of dereferencing it again. Each caller has already correctly
dereferenced it for their context. This change is required for the
following suspicious RCU dereference fix. No functional changes
intended.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Linux | Linux | 6.8.12 – < 6.9, 6.1.93 – < 6.1.95, 6.6.33 – < 6.6.35, 6.9.3 – < 6.9.6 | 6.9 |
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 | 6.9.7-1 | — |
| Debian 13 | linux | 6.9.7-1 | — |
| Debian 12 | linux | 6.1.99-1 | DSA-5731-1 |
| Debian 11 | linux-6.1 | 6.1.119-1~deb11u1 | DLA-4008-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux | 6.8.0-44.44 | USN-6999-1 |
| Ubuntu 24.04 LTS | linux-aws | 6.8.0-1015.16 | USN-6999-1 |
| Ubuntu 24.04 LTS | linux-gcp +1 | 6.8.0-1014.16 | USN-7004-1, USN-6999-1 |
| Ubuntu 24.04 LTS | linux-gke | 6.8.0-1010.13 | USN-6999-1 |
| Ubuntu 24.04 LTS | linux-ibm +2 | 6.8.0-1012.12 | USN-6999-1 |
| Ubuntu 24.04 LTS | linux-nvidia | 6.8.0-1013.14 | USN-7005-1 |
| Ubuntu 24.04 LTS | linux-nvidia-lowlatency | 6.8.0-1013.14.1 | USN-7005-1 |
| Ubuntu 24.04 LTS | linux-raspi | 6.8.0-1011.12 | USN-6999-2 |
| Ubuntu 24.04 LTS | linux-riscv +1 | 6.8.0-44.44.1 | USN-6999-1 |
| Ubuntu 22.04 LTS | linux-aws-6.8 | 6.8.0-1015.16~22.04.1 | — |
| Ubuntu 22.04 LTS | linux-gcp-6.8 +1 | 6.8.0-1014.16~22.04.1 | — |
| Ubuntu 22.04 LTS | linux-hwe-6.8 | 6.8.0-45.45~22.04.1 | USN-7029-1 |
| Ubuntu 22.04 LTS | linux-nvidia-6.8 | 6.8.0-1013.14~22.04.1 | USN-7005-2 |
| Ubuntu 22.04 LTS | linux-oracle-6.8 | 6.8.0-1012.12~22.04.1 | — |
| Ubuntu 22.04 LTS | linux-riscv +24 | No fix yet | — |
| Ubuntu 22.04 LTS | linux-riscv-6.8 +1 | 6.8.0-44.44.1~22.04.1 | USN-7008-1 |
| Ubuntu 20.04 LTS | linux-gke +26 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp +13 | No fix yet | — |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro Realtime 24.04 LTS | linux-raspi-realtime | 6.8.0-2010.10 | — |
| Ubuntu Pro Realtime 24.04 LTS | linux-realtime | 6.8.1-1008.8 | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP6 | kernel-64kb +6 | 6.4.0-150600.23.22.1 | SUSE-SU-2024:3383-1 |
| SLES 15 SP6 | kernel-azure +2 | 6.4.0-150600.8.11.1 | SUSE-SU-2024:3194-1 |
| SLES 15 SP6 | kernel-default-base | 6.4.0-150600.23.22.1.150600.12.8.3 | SUSE-SU-2024:3383-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLE Micro 6.0 | kernel-default-base | 6.4.0-17.1.1.51 | SUSE-SU-2025:20044-1 |
| SLE Micro 6.0 | kernel-livepatch-MICRO-6-0_Update_2 +1 | 1-1.1 | SUSE-SU-2025:20047-1, SUSE-SU-2025:20044-1 |
| SLE Micro 6.0 | kernel-rt +1 | 6.4.0-10.1 | SUSE-SU-2025:20047-1 |
| SLE Micro 6.0 | kernel-source +2 | 6.4.0-19.1 | SUSE-SU-2025:20044-1 |
| SLE Live Patching 15 SP6 | kernel-default | 6.4.0-150600.23.22.1 | SUSE-SU-2024:3383-1 |
| SLE Live Patching 15 SP6 | kernel-livepatch-SLE15-SP6-RT_Update_0 | 8-150600.3.1 | SUSE-SU-2025:0268-1 |
| SLE Live Patching 15 SP6 | kernel-livepatch-SLE15-SP6-RT_Update_1 | 7-150600.1.8.1 | SUSE-SU-2025:0269-1 |
| SLE Live Patching 15 SP6 | kernel-livepatch-SLE15-SP6-RT_Update_2 | 1-150600.1.3.2 | SUSE-SU-2024:3195-1 |
| SLE Live Patching 15 SP6 | kernel-livepatch-SLE15-SP6_Update_0 | 9-150600.4.19.1 | SUSE-SU-2025:0263-1 |
| SLE Live Patching 15 SP6 | kernel-livepatch-SLE15-SP6_Update_1 +2 | 7-150600.13.6.1 | SUSE-SU-2025:0265-1, SUSE-SU-2025:0262-1, SUSE-SU-2025:0255-1 |
| SLE Live Patching 15 SP6 | kernel-livepatch-SLE15-SP6_Update_4 | 1-150600.13.3.3 | SUSE-SU-2024:3383-1 |
| SUSE Real Time Module 15 SP6 | kernel-rt +2 | 6.4.0-150600.10.8.3 | SUSE-SU-2024:3195-1 |
| SUSE Real Time Module 15 SP6 | kernel-syms-rt | 6.4.0-150600.10.8.1 | SUSE-SU-2024:3195-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.6 | dtb-aarch64 +10 | 6.4.0-150600.23.22.1 | SUSE-SU-2024:3383-1 |
| openSUSE Leap 15.6 | kernel-azure +2 | 6.4.0-150600.8.11.1 | SUSE-SU-2024:3194-1 |
| openSUSE Leap 15.6 | kernel-default-base | 6.4.0-150600.23.22.1.150600.12.8.3 | SUSE-SU-2024:3383-1 |
| openSUSE Leap 15.6 | kernel-rt +2 | 6.4.0-150600.10.8.3 | SUSE-SU-2024:3195-1 |
| openSUSE Leap 15.6 | kernel-syms-rt | 6.4.0-150600.10.8.1 | SUSE-SU-2024:3195-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | kernel-livepatch-6.1.96-102.177 | 1.0-0.amzn2023 | ALAS2023-2025-836 |
| Amazon Linux 2023 | perf +14 | 6.1.96-102.177.amzn2023 | ALAS2023-2025-836 |
Advisories 22
- WID-SEC-2024-1607 Linux Kernel: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 5, 2026
- USN-6999-1 linux, linux-aws, linux-gcp, linux-gke, linux-ibm, linux-lowlatency, linux-oem-6.8, linux-oracle vulnerabilities Ubuntu Security Notices (USN) · Oct 26, 2026
- USN-7029-1 linux-hwe-6.8 Ubuntu Security Notices (USN) · Oct 26, 2026
- USN-7005-1 linux-nvidia, linux-nvidia-lowlatency vulnerabilities Ubuntu Security Notices (USN) · Oct 26, 2026
- USN-7005-2 linux-nvidia-6.8 vulnerabilities Ubuntu Security Notices (USN) · Oct 26, 2026
- USN-7004-1 linux-azure vulnerabilities Ubuntu Security Notices (USN) · Oct 26, 2026
- USN-7008-1 linux-lowlatency-hwe-6.8 vulnerabilities Ubuntu Security Notices (USN) · Oct 26, 2026
- USN-6999-2 linux-raspi vulnerabilities Ubuntu Security Notices (USN) · Oct 26, 2026
- SUSE-SU-2025:20047-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:20044-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Mar 23, 2026
- DLA-4008-1 linux-6.1 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-5731-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2025:0263-1 Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP6) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2025:0265-1 Security update for the Linux Kernel (Live Patch 3 for SLE 15 SP6) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2025:0262-1 Security update for the Linux Kernel (Live Patch 2 for SLE 15 SP6) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2025:0269-1 Security update for the Linux Kernel RT (Live Patch 1 for SLE 15 SP6) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2025:0255-1 Security update for the Linux Kernel (Live Patch 1 for SLE 15 SP6) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:3195-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:3383-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2025:0268-1 Security update for the Linux Kernel RT (Live Patch 0 for SLE 15 SP6) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:3194-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- ALAS2023-2025-836 Important: kernel security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Oct 2, 2025