Description
A denial of service vulnerability was found in tipc_crypto_key_revoke in net/tipc/crypto.c in the Linux kernel’s TIPC subsystem. This flaw allows guests with local user privileges to trigger a deadlock and potentially crash the system.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | kernel | < 6.6-rc5 | 6.6-rc5 |
| Red Hat | Red Hat Enterprise Linux 6 | — | — |
| Red Hat | Red Hat Enterprise Linux 7 | — | — |
| Red Hat | Red Hat Enterprise Linux 8 | — | — |
| Red Hat | Red Hat Enterprise Linux 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 | 6.5.8-1 | — |
| Debian 13 | linux | 6.5.8-1 | — |
| Debian 12 | linux | 6.1.64-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Nvidia-BlueField 22.04 LTS | linux-bluefield | 5.15.0-1035.37 | — |
| Ubuntu 24.04 LTS | linux-raspi | 6.7.0-1001.1 | — |
| Ubuntu 24.04 LTS | linux-raspi-realtime | No fix yet | — |
| Ubuntu 22.04 LTS | linux +1 | 5.15.0-94.104 | USN-6626-2, USN-6626-1 |
| Ubuntu 22.04 LTS | linux-aws | 5.15.0-1053.58 | USN-6626-1 |
| Ubuntu 22.04 LTS | linux-azure | 5.15.0-1056.64 | USN-6626-3 |
| Ubuntu 22.04 LTS | linux-azure-fde | 5.15.0-1056.64.1 | USN-6626-3 |
| Ubuntu 22.04 LTS | linux-gcp | 5.15.0-1051.59 | USN-6626-1 |
| Ubuntu 22.04 LTS | linux-gke +1 | 5.15.0-1050.55 | USN-6626-1 |
| Ubuntu 22.04 LTS | linux-gkeop | 5.15.0-1036.42 | USN-6626-1 |
| Ubuntu 22.04 LTS | linux-hwe-6.5 | 6.5.0-17.17~22.04.1 | USN-6624-1 |
| Ubuntu 22.04 LTS | linux-ibm +1 | 5.15.0-1046.49 | USN-6626-2, USN-6626-1 |
| Ubuntu 22.04 LTS | linux-intel-iotg | 5.15.0-1047.53 | USN-6628-1 |
| Ubuntu 22.04 LTS | linux-lowlatency-hwe-6.5 | 6.5.0-17.17.1.1.1~22.04.1 | USN-6624-1 |
| Ubuntu 22.04 LTS | linux-nvidia | 5.15.0-1044.44 | USN-6626-1 |
| Ubuntu 22.04 LTS | linux-nvidia-6.5 | 6.5.0-1014.14 | — |
| Ubuntu 22.04 LTS | linux-nvidia-tegra | 5.15.0-1022.22 | — |
| Ubuntu 22.04 LTS | linux-nvidia-tegra-igx | 5.15.0-1009.9 | — |
| Ubuntu 22.04 LTS | linux-oem-6.5 | 6.5.0-1014.15 | USN-6624-1 |
| Ubuntu 22.04 LTS | linux-oracle | 5.15.0-1051.57 | USN-6626-1 |
| Ubuntu 22.04 LTS | linux-riscv +25 | No fix yet | — |
| Ubuntu 22.04 LTS | linux-xilinx-zynqmp | 5.15.0-1027.31 | — |
| Ubuntu 20.04 LTS | linux-aws-5.15 | 5.15.0-1053.58~20.04.1 | USN-6626-1 |
| Ubuntu 20.04 LTS | linux-azure-5.15 | 5.15.0-1056.64~20.04.1 | USN-6626-3 |
| Ubuntu 20.04 LTS | linux-azure-fde-5.15 | 5.15.0-1056.64~20.04.1.1 | USN-6626-3 |
| Ubuntu 20.04 LTS | linux-gcp-5.15 | 5.15.0-1051.59~20.04.1 | USN-6626-1 |
| Ubuntu 20.04 LTS | linux-gke +26 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-gkeop-5.15 | 5.15.0-1036.42~20.04.1 | USN-6626-1 |
| Ubuntu 20.04 LTS | linux-hwe-5.15 +1 | 5.15.0-94.104~20.04.1 | USN-6626-1 |
| Ubuntu 20.04 LTS | linux-ibm-5.15 | 5.15.0-1046.49~20.04.1 | USN-6626-1 |
| Ubuntu 20.04 LTS | linux-intel-iotg-5.15 | 5.15.0-1048.54~20.04.1 | USN-6628-2 |
| Ubuntu 20.04 LTS | linux-nvidia-tegra-5.15 | 5.15.0-1022.22~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-oracle-5.15 | 5.15.0-1051.57~20.04.1 | USN-6626-1 |
| Ubuntu 20.04 LTS | linux-riscv-5.15 | 5.15.0-1049.53~20.04.2 | — |
| Ubuntu 18.04 LTS | linux-gcp +13 | No fix yet | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
| Ubuntu Pro Realtime 22.04 LTS | linux-intel-iot-realtime | 5.15.0-1046.48 | — |
| Ubuntu Pro Realtime 22.04 LTS | linux-realtime | 5.15.0-1054.60 | — |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-aws-fips | 5.15.0-1053.58+fips1 | — |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-fips | 5.15.0-94.104+fips1 | — |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-gcp-fips | 5.15.0-1055.63+fips2 | — |
| Ubuntu Pro FIPS-preview 22.04 LTS | linux-fips +3 | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP5 | kernel-64kb +6 | 5.14.21-150500.55.49.1 | SUSE-SU-2024:0516-1 |
| SLES 15 SP5 | kernel-azure +2 | 5.14.21-150500.33.34.1 | SUSE-SU-2024:0514-1 |
| SLES 15 SP5 | kernel-default-base | 5.14.21-150500.55.49.1.150500.6.21.2 | SUSE-SU-2024:0516-1 |
| SLES 15 SP4 | kernel-64kb +6 | 5.14.21-150400.24.108.1 | SUSE-SU-2024:0515-1 |
| SLES 15 SP4 | kernel-default-base | 5.14.21-150400.24.108.1.150400.24.50.2 | SUSE-SU-2024:0515-1 |
Show 10 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP4 | kernel-default-base | 5.14.21-150400.24.108.1.150400.24.50.2 | SUSE-SU-2024:0515-1 |
| SLES for SAP 15 SP4 | kernel-docs +4 | 5.14.21-150400.24.108.1 | SUSE-SU-2024:0515-1 |
| SLE Micro 5.5 | kernel-default | 5.14.21-150500.55.49.1 | SUSE-SU-2024:0516-1 |
| SLE Micro 5.5 | kernel-default-base | 5.14.21-150500.55.49.1.150500.6.21.2 | SUSE-SU-2024:0516-1 |
| SLE Micro 5.5 | kernel-rt | 5.14.21-150500.13.35.1 | SUSE-SU-2024:0469-1 |
| SLE Micro 5.4 | kernel-default | 5.14.21-150400.24.108.1 | SUSE-SU-2024:0515-1 |
| SLE Micro 5.4 | kernel-default-base | 5.14.21-150400.24.108.1.150400.24.50.2 | SUSE-SU-2024:0515-1 |
| SLE Micro 5.4 | kernel-rt | 5.14.21-150400.15.68.1 | SUSE-SU-2024:0476-1 |
| SLE Micro 5.3 | kernel-default | 5.14.21-150400.24.108.1 | SUSE-SU-2024:0515-1 |
| SLE Micro 5.3 | kernel-default-base | 5.14.21-150400.24.108.1.150400.24.50.2 | SUSE-SU-2024:0515-1 |
| SLE Micro 5.3 | kernel-rt | 5.14.21-150400.15.68.1 | SUSE-SU-2024:0476-1 |
| SLE Live Patching 15 SP5 | kernel-default | 5.14.21-150500.55.49.1 | SUSE-SU-2024:0516-1 |
| SLE Live Patching 15 SP5 | kernel-livepatch-SLE15-SP5_Update_10 +1 | 1-150500.11.5.1 | SUSE-SU-2024:0516-1, SUSE-SU-2024:0469-1 |
| SLE Live Patching 15 SP4 | kernel-default | 5.14.21-150400.24.108.1 | SUSE-SU-2024:0515-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4-RT_Update_18 | 1-150400.1.3.1 | SUSE-SU-2024:0476-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4_Update_23 | 1-150400.9.5.1 | SUSE-SU-2024:0515-1 |
| SLE HPC 15 SP4 | kernel-64kb +5 | 5.14.21-150400.24.108.1 | SUSE-SU-2024:0515-1 |
| SLE HPC 15 SP4 | kernel-default-base | 5.14.21-150400.24.108.1.150400.24.50.2 | SUSE-SU-2024:0515-1 |
| SUSE Real Time Module 15 SP5 | kernel-rt +3 | 5.14.21-150500.13.35.1 | SUSE-SU-2024:0469-1 |
| SUSE Manager Server 4.3 | kernel-default-base | 5.14.21-150400.24.108.1.150400.24.50.2 | SUSE-SU-2024:0515-1 |
| SUSE Manager Server 4.3 | kernel-source +2 | 5.14.21-150400.24.108.1 | SUSE-SU-2024:0515-1 |
| SUSE Manager Proxy 4.3 | kernel-default-base | 5.14.21-150400.24.108.1.150400.24.50.2 | SUSE-SU-2024:0515-1 |
| SUSE Manager Proxy 4.3 | kernel-source +1 | 5.14.21-150400.24.108.1 | SUSE-SU-2024:0515-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.5 | dtb-aarch64 +10 | 5.14.21-150500.55.49.1 | SUSE-SU-2024:0516-1 |
| openSUSE Leap 15.5 | kernel-azure +2 | 5.14.21-150500.33.34.1 | SUSE-SU-2024:0514-1 |
| openSUSE Leap 15.5 | kernel-default-base | 5.14.21-150500.55.49.1.150500.6.21.2 | SUSE-SU-2024:0516-1 |
| openSUSE Leap 15.5 | kernel-rt +3 | 5.14.21-150500.13.35.1 | SUSE-SU-2024:0469-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap Micro 5.4 | kernel-default | 5.14.21-150400.24.108.1 | SUSE-SU-2024:0515-1 |
| openSUSE Leap Micro 5.4 | kernel-default-base | 5.14.21-150400.24.108.1.150400.24.50.2 | SUSE-SU-2024:0515-1 |
| openSUSE Leap Micro 5.4 | kernel-rt | 5.14.21-150400.15.68.1 | SUSE-SU-2024:0476-1 |
| openSUSE Leap Micro 5.3 | kernel-default | 5.14.21-150400.24.108.1 | SUSE-SU-2024:0515-1 |
| openSUSE Leap Micro 5.3 | kernel-default-base | 5.14.21-150400.24.108.1.150400.24.50.2 | SUSE-SU-2024:0515-1 |
| openSUSE Leap Micro 5.3 | kernel-rt | 5.14.21-150400.15.68.1 | SUSE-SU-2024:0476-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | kernel-livepatch-6.1.59-84.139 | 1.0-0.amzn2023 | ALAS2023-2023-422 |
| Amazon Linux 2023 | perf +13 | 6.1.59-84.139.amzn2023 | ALAS2023-2023-422 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | kernel | 5.15.148.1-1 | — |
Advisories 13
- USN-6626-1 linux, linux-aws, linux-aws-5.15, linux-gcp, linux-gcp-5.15, linux-gke, linux-gkeop, linux-gkeop-5.15, linux-hwe-5.15, linux-ibm, linux-ibm-5.15, linux-kvm, linux-lowlatency-hwe-5.15, linux-nvidia, linux-oracle, linux-oracle-5.15 vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-6626-3 linux-azure, linux-azure-5.15, linux-azure-fde, linux-azure-fde-5.15 vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-6628-1 linux-intel-iotg vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-6628-2 linux-intel-iotg-5.15 vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-6626-2 linux-lowlatency, linux-raspi vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-6624-1 linux, linux-aws, linux-gcp, linux-hwe-6.5, linux-laptop, linux-lowlatency, linux-lowlatency-hwe-6.5, linux-oem-6.5, linux-oracle, linux-raspi, linux-starfive vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
- WID-SEC-2024-0136 Linux Kernel: Mehrere Schwachstellen BSI CERT-Bund (WID) · Feb 15, 2026
- SUSE-SU-2024:0515-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:0514-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:0476-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:0469-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:0516-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- ALAS2023-2023-422 Important: kernel security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Jul 3, 2024