Description
In the Linux kernel, the following vulnerability has been resolved:
apparmor: Fix double free of ns_name in aa_replace_profiles()
if ns_name is NULL after
1071 error = aa_unpack(udata, &lh, &ns_name);
and if ent->ns_name contains an ns_name in
1089 } else if (ent->ns_name) {
then ns_name is assigned the ent->ns_name
1095 ns_name = ent->ns_name;
however ent->ns_name is freed at
1262 aa_load_ent_free(ent);
and then again when freeing ns_name at
1270 kfree(ns_name);
Fix this by NULLing out ent->ns_name after it is transferred to ns_name
")
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Linux | Linux | 5.5 | 5.10.253 |
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 | 6.19.6-2 | — |
| Debian 13 | linux | 6.12.74-2 | — |
| Debian 12 | linux | 6.1.164-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Nvidia-BlueField 24.04 LTS | linux-bluefield | 6.8.0-1017.21 | — |
| Ubuntu Nvidia-BlueField 22.04 LTS | linux-bluefield | 5.15.0-1087.89 | — |
| Ubuntu 25.10 | linux | 6.17.0-19.19 | — |
| Ubuntu 25.10 | linux-aws +2 | 6.17.0-1009.9 | — |
| Ubuntu 25.10 | linux-azure +1 | 6.17.0-1010.10 | — |
| Ubuntu 25.10 | linux-azure-fde | No fix yet | — |
| Ubuntu 25.10 | linux-realtime | 6.17.0-1008.9 | — |
| Ubuntu 25.10 | linux-riscv | 6.17.0-19.19.1 | — |
| Ubuntu 24.04 LTS | linux | 6.8.0-106.106 | — |
| Ubuntu 24.04 LTS | linux-aws | 6.8.0-1050.53 | — |
| Ubuntu 24.04 LTS | linux-aws-6.17 | 6.17.0-1009.9~24.04.2 | — |
| Ubuntu 24.04 LTS | linux-azure | 6.8.0-1051.57 | — |
| Ubuntu 24.04 LTS | linux-azure-6.17 | 6.17.0-1010.10~24.04.1 | — |
| Ubuntu 24.04 LTS | linux-azure-fde | 6.8.0-1058.65 | — |
| Ubuntu 24.04 LTS | linux-azure-nvidia | 6.8.0-1039.42 | — |
| Ubuntu 24.04 LTS | linux-gcp | 6.8.0-1052.55 | — |
| Ubuntu 24.04 LTS | linux-gcp-6.17 | 6.17.0-1009.9~24.04.3 | — |
| Ubuntu 24.04 LTS | linux-gke | 6.8.0-1048.53 | — |
| Ubuntu 24.04 LTS | linux-gkeop | 6.8.0-1035.38 | — |
| Ubuntu 24.04 LTS | linux-hwe-6.17 | 6.17.0-19.19~24.04.2 | — |
| Ubuntu 24.04 LTS | linux-ibm | 6.8.0-1049.49 | — |
| Ubuntu 24.04 LTS | linux-lowlatency | 6.8.0-106.106.1 | — |
| Ubuntu 24.04 LTS | linux-nvidia | 6.8.0-1049.52 | — |
| Ubuntu 24.04 LTS | linux-nvidia-6.17 | 6.17.0-1014.14 | — |
| Ubuntu 24.04 LTS | linux-nvidia-lowlatency | 6.8.0-1049.52.1 | — |
| Ubuntu 24.04 LTS | linux-nvidia-tegra | 6.8.0-1020.20 | — |
| Ubuntu 24.04 LTS | linux-oem-6.17 | 6.17.0-1017.17 | USN-8152-1 |
| Ubuntu 24.04 LTS | linux-oracle | 6.8.0-1047.48 | — |
| Ubuntu 24.04 LTS | linux-oracle-6.17 | 6.17.0-1009.9~24.04.1 | — |
| Ubuntu 24.04 LTS | linux-raspi | 6.8.0-1050.54 | — |
| Ubuntu 24.04 LTS | linux-riscv +18 | No fix yet | — |
| Ubuntu 24.04 LTS | linux-riscv-6.17 | 6.17.0-19.19.1~24.04.1 | — |
| Ubuntu 24.04 LTS | linux-xilinx | 6.8.0-1028.29 | USN-8261-1 |
| Ubuntu 22.04 LTS | linux +1 | 5.15.0-173.183 | — |
| Ubuntu 22.04 LTS | linux-aws | 5.15.0-1103.110 | — |
| Ubuntu 22.04 LTS | linux-aws-6.8 | 6.8.0-1050.53~22.04.1 | — |
| Ubuntu 22.04 LTS | linux-azure | 5.15.0-1109.118 | USN-8163-2 |
| Ubuntu 22.04 LTS | linux-azure-6.8 | 6.8.0-1051.57~22.04.1 | — |
| Ubuntu 22.04 LTS | linux-azure-fde | 5.15.0-1109.118.1 | — |
| Ubuntu 22.04 LTS | linux-azure-fde-6.8 | 6.8.0-1058.65~22.04.1 | — |
| Ubuntu 22.04 LTS | linux-gcp | 5.15.0-1103.112 | — |
| Ubuntu 22.04 LTS | linux-gcp-6.8 | 6.8.0-1052.55~22.04.1 | — |
| Ubuntu 22.04 LTS | linux-gke | 5.15.0-1099.105 | — |
| Ubuntu 22.04 LTS | linux-gkeop | 5.15.0-1086.94 | — |
| Ubuntu 22.04 LTS | linux-hwe-6.8 +1 | 6.8.0-106.106~22.04.1 | — |
| Ubuntu 22.04 LTS | linux-ibm +1 | 5.15.0-1097.100 | — |
| Ubuntu 22.04 LTS | linux-ibm-6.8 | 6.8.0-1049.49~22.04.1 | — |
| Ubuntu 22.04 LTS | linux-intel-iotg | 5.15.0-1098.104 | — |
| Ubuntu 22.04 LTS | linux-kvm | 5.15.0-1095.100 | — |
| Ubuntu 22.04 LTS | linux-lowlatency-hwe-6.8 | 6.8.0-106.106.1~22.04.1 | — |
| Ubuntu 22.04 LTS | linux-nvidia | 5.15.0-1098.99 | — |
| Ubuntu 22.04 LTS | linux-nvidia-6.8 | 6.8.0-1049.52~22.04.1 | — |
| Ubuntu 22.04 LTS | linux-nvidia-tegra | 5.15.0-1055.55 | — |
| Ubuntu 22.04 LTS | linux-nvidia-tegra-igx | 5.15.0-1044.44 | — |
| Ubuntu 22.04 LTS | linux-oracle | 5.15.0-1100.106 | — |
| Ubuntu 22.04 LTS | linux-oracle-6.8 | 6.8.0-1047.48~22.04.1 | — |
| Ubuntu 22.04 LTS | linux-riscv +32 | No fix yet | — |
| Ubuntu 22.04 LTS | linux-xilinx-zynqmp | 5.15.0-1067.71 | — |
Show 9 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | linux-gke +28 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp +14 | No fix yet | — |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
| Ubuntu Pro Realtime 24.04 LTS | linux-raspi-realtime | 6.8.0-2040.41 | — |
| Ubuntu Pro Realtime 24.04 LTS | linux-realtime | 6.8.1-1045.46 | — |
| Ubuntu Pro Realtime 24.04 LTS | linux-realtime-6.14 | No fix yet | — |
| Ubuntu Pro Realtime 24.04 LTS | linux-realtime-6.17 | 6.17.0-1008.9~24.04.1 | — |
| Ubuntu Pro Realtime 22.04 LTS | linux-intel-iot-realtime | 5.15.0-1096.98 | USN-8164-1 |
| Ubuntu Pro Realtime 22.04 LTS | linux-realtime | 5.15.0-1102.111 | — |
| Ubuntu Pro Realtime 22.04 LTS | linux-realtime-6.8 | 6.8.1-1045.46~22.04.1 | — |
| Ubuntu Pro FIPS-updates 24.04 LTS | linux-aws-fips | 6.8.0-1050.53+fips1 | — |
| Ubuntu Pro FIPS-updates 24.04 LTS | linux-azure-fips | 6.8.0-1052.58+fips1 | USN-8165-1 |
| Ubuntu Pro FIPS-updates 24.04 LTS | linux-fips | 6.8.0-106.106+fips1 | — |
| Ubuntu Pro FIPS-updates 24.04 LTS | linux-gcp-fips | 6.8.0-1052.55+fips1 | — |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-aws-fips | 5.15.0-1103.110+fips1 | — |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-azure-fips | 5.15.0-1109.118+fips1 | USN-8163-1 |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-fips | 5.15.0-173.183+fips1 | — |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-gcp-fips | 5.15.0-1103.112+fips1 | — |
| Ubuntu Pro FIPS-preview 22.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro 20.04 LTS | linux-aws-5.15 | 5.15.0-1103.110~20.04.1 | — |
| Ubuntu Pro 20.04 LTS | linux-azure-5.15 | 5.15.0-1110.119~20.04.1 | USN-8243-1 |
| Ubuntu Pro 20.04 LTS | linux-gcp-5.15 | 5.15.0-1103.112~20.04.1 | — |
| Ubuntu Pro 20.04 LTS | linux-hwe-5.15 +1 | 5.15.0-173.183~20.04.1 | — |
| Ubuntu Pro 20.04 LTS | linux-ibm-5.15 | 5.15.0-1097.100~20.04.1 | — |
| Ubuntu Pro 20.04 LTS | linux-intel-iotg-5.15 | 5.15.0-1098.104~20.04.1 | — |
| Ubuntu Pro 20.04 LTS | linux-nvidia-tegra-5.15 | 5.15.0-1055.55~20.04.1 | — |
| Ubuntu Pro 20.04 LTS | linux-oracle-5.15 | 5.15.0-1100.106~20.04.1 | — |
| Ubuntu Pro 20.04 LTS | linux-riscv-5.15 | 5.15.0-1098.102~20.04.1 | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | kernel-64kb +7 | 6.4.0-150700.53.55.1 | SUSE-SU-2026:2238-1 |
| SLES 15 SP7 | kernel-default-base | 6.4.0-150700.53.55.1.150700.17.33.1 | SUSE-SU-2026:2238-1 |
| SLES 15 SP6 | kernel-64kb +6 | 6.4.0-150600.23.112.1 | SUSE-SU-2026:2195-1 |
| SLES 15 SP6 | kernel-default-base | 6.4.0-150600.23.112.1.150600.12.52.1 | SUSE-SU-2026:2195-1 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP6 | kernel-default-base | 6.4.0-150600.23.112.1.150600.12.52.1 | SUSE-SU-2026:2195-1 |
| SLES for SAP 15 SP6 | kernel-docs +4 | 6.4.0-150600.23.112.1 | SUSE-SU-2026:2195-1 |
| SLE Micro 6.2 | kernel-syms +1 | 6.12.0-160000.33.1 | SUSE-SU-2026:21834-1 |
| SLE Live Patching 15 SP7 | kernel-default | 6.4.0-150700.53.55.1 | SUSE-SU-2026:2238-1 |
| SLE Live Patching 15 SP7 | kernel-livepatch-SLE15-SP7_Update_15 | 1-150700.15.3.1 | SUSE-SU-2026:2238-1 |
| SLE Live Patching 15 SP6 | kernel-default | 6.4.0-150600.23.112.1 | SUSE-SU-2026:2195-1 |
| SLE Live Patching 15 SP6 | kernel-livepatch-SLE15-SP6_Update_26 | 1-150600.13.3.1 | SUSE-SU-2026:2195-1 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | kernel | 6.6.130.1-1 | — |
Advisories 11
- USN-8243-1 linux-azure-5.15 vulnerabilities Ubuntu Security Notices (USN) · Nov 4, 2026
- USN-8152-1 linux-oem-6.17 vulnerabilities Ubuntu Security Notices (USN) · Nov 4, 2026
- USN-8163-1 linux-azure-fips vulnerabilities Ubuntu Security Notices (USN) · Nov 4, 2026
- USN-8164-1 linux-intel-iot-realtime vulnerabilities Ubuntu Security Notices (USN) · Nov 4, 2026
- USN-8165-1 linux-azure-fips vulnerabilities Ubuntu Security Notices (USN) · Nov 4, 2026
- USN-8163-2 linux-azure vulnerabilities Ubuntu Security Notices (USN) · Nov 4, 2026
- WID-SEC-2026-0950 Linux Kernel: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 4, 2026
- USN-8261-1 linux-xilinx vulnerabilities Ubuntu Security Notices (USN) · Sep 7, 2026
- SUSE-SU-2026:21834-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Jul 9, 2026
- SUSE-SU-2026:2238-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Jul 1, 2026
- SUSE-SU-2026:2195-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Jul 1, 2026
References
- https://git.kernel.org/stable/c/c6347a2116ecccb8fd9ee4ebc75ae41d1d7ef689
- https://git.kernel.org/stable/c/c053ae381ce227577567d1ef10090ce7506d7a28
- https://git.kernel.org/stable/c/35f4caec1352054b9a61cfdf2bf1898073637aa0
- https://git.kernel.org/stable/c/55ef2af7490aaf72f8ffe11ec44c6bcb7eb2162a
- https://git.kernel.org/stable/c/86feeccd6b93ed94bd6655f30de80f163f8d5a45
- https://git.kernel.org/stable/c/7998ab3010d2317643f91828f1853d954ef31387
- https://git.kernel.org/stable/c/18b5233e860c294a847ee07869d93c0b8673a54b
- https://git.kernel.org/stable/c/5df0c44e8f5f619d3beb871207aded7c78414502