Description
A memory leak flaw was found in nft_set_catchall_flush in net/netfilter/nf_tables_api.c in the Linux Kernel. This issue may allow a local attacker to cause double-deactivations of catchall elements, which can result in a memory leak.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Kernel | — | 6.5-rc7 |
| 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 | — | — |
| Fedora | Fedora | — | — |
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 | 6.4.13-1 | — |
| Debian 13 | linux | 6.4.13-1 | — |
| Debian 12 | linux | 6.1.52-1 | DSA-5492-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Nvidia-BlueField 22.04 LTS | linux-bluefield | 5.15.0-1024.26 | — |
| Ubuntu 24.04 LTS | linux-raspi-realtime | No fix yet | — |
| Ubuntu 22.04 LTS | linux +1 | 5.15.0-84.93 | USN-6386-1 |
| Ubuntu 22.04 LTS | linux-aws | 5.15.0-1045.50 | USN-6386-1 |
| Ubuntu 22.04 LTS | linux-aws-6.2 +1 | 6.2.0-1012.12~22.04.1 | USN-6383-1 |
| Ubuntu 22.04 LTS | linux-azure | 5.15.0-1047.54 | USN-6386-1 |
| Ubuntu 22.04 LTS | linux-azure-fde | 5.15.0-1047.54.1 | USN-6386-1 |
| Ubuntu 22.04 LTS | linux-azure-fde-6.2 | 6.2.0-1012.12~22.04.1.1 | USN-6383-1 |
| Ubuntu 22.04 LTS | linux-gcp | 5.15.0-1042.50 | USN-6386-1 |
| Ubuntu 22.04 LTS | linux-gcp-6.2 | 6.2.0-1014.14~22.04.1 | USN-6383-1 |
| Ubuntu 22.04 LTS | linux-gke +1 | 5.15.0-1042.47 | USN-6386-1 |
| Ubuntu 22.04 LTS | linux-gkeop | 5.15.0-1028.33 | USN-6386-1 |
| Ubuntu 22.04 LTS | linux-hwe-6.2 | 6.2.0-33.33~22.04.1 | USN-6383-1 |
| Ubuntu 22.04 LTS | linux-ibm +1 | 5.15.0-1038.41 | USN-6386-2, USN-6386-1 |
| Ubuntu 22.04 LTS | linux-intel-iotg | 5.15.0-1040.46 | USN-6386-3 |
| Ubuntu 22.04 LTS | linux-lowlatency-hwe-6.2 | 6.2.0-1013.13~22.04.1 | USN-6383-1 |
| Ubuntu 22.04 LTS | linux-nvidia | 5.15.0-1033.33 | USN-6386-1 |
| Ubuntu 22.04 LTS | linux-nvidia-6.2 | 6.2.0-1011.11 | USN-6466-1 |
| Ubuntu 22.04 LTS | linux-nvidia-tegra | 5.15.0-1018.18 | — |
| Ubuntu 22.04 LTS | linux-nvidia-tegra-igx | 5.15.0-1005.5 | — |
| Ubuntu 22.04 LTS | linux-oem-6.0 | 6.0.0-1021.21 | USN-6385-1 |
| Ubuntu 22.04 LTS | linux-oem-6.1 | 6.1.0-1022.22 | USN-6384-1 |
| Ubuntu 22.04 LTS | linux-oracle | 5.15.0-1044.50 | USN-6386-3 |
| Ubuntu 22.04 LTS | linux-riscv +11 | No fix yet | — |
| Ubuntu 22.04 LTS | linux-xilinx-zynqmp | 5.15.0-1025.29 | — |
| Ubuntu 20.04 LTS | linux-aws-5.15 | 5.15.0-1045.50~20.04.1 | USN-6386-1 |
| Ubuntu 20.04 LTS | linux-azure-5.15 | 5.15.0-1047.54~20.04.1 | USN-6386-1 |
| Ubuntu 20.04 LTS | linux-azure-fde-5.15 | 5.15.0-1047.54~20.04.1.1 | USN-6386-1 |
| Ubuntu 20.04 LTS | linux-gcp-5.15 | 5.15.0-1042.50~20.04.1 | USN-6386-1 |
| Ubuntu 20.04 LTS | linux-gke +26 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-gkeop-5.15 | 5.15.0-1028.33~20.04.1 | USN-6386-1 |
| Ubuntu 20.04 LTS | linux-hwe-5.15 +1 | 5.15.0-84.93~20.04.1 | USN-6386-1 |
| Ubuntu 20.04 LTS | linux-ibm-5.15 | 5.15.0-1038.41~20.04.1 | USN-6386-1 |
| Ubuntu 20.04 LTS | linux-intel-iotg-5.15 | 5.15.0-1040.46~20.04.1 | USN-6386-3 |
| Ubuntu 20.04 LTS | linux-nvidia-tegra-5.15 | 5.15.0-1018.18~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-oracle-5.15 | 5.15.0-1044.50~20.04.1 | USN-6386-3 |
| Ubuntu 20.04 LTS | linux-riscv-5.15 | 5.15.0-1041.45~20.04.1 | — |
| Ubuntu 18.04 LTS | linux-gcp +13 | No fix yet | — |
Show 8 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 | 5.15.0-1039.41 | — |
| Ubuntu Pro Realtime 22.04 LTS | linux-realtime | 5.15.0-1046.52 | — |
| Ubuntu Pro FIPS-preview 22.04 LTS | linux-fips | No fix yet | — |
| Ubuntu Pro 22.04 LTS | linux +1 | 5.15.0-101.111 | LSN-0103-1, LSN-0102-1 |
| Ubuntu Pro 22.04 LTS | linux-aws | 5.15.0-1056.61 | LSN-0103-1, LSN-0102-1 |
| Ubuntu Pro 22.04 LTS | linux-aws-6.5 +1 | 6.5.0-1016.16~22.04.1 | LSN-0103-1, LSN-0102-1 |
| Ubuntu Pro 22.04 LTS | linux-azure | 5.15.0-1059.67 | LSN-0103-1, LSN-0102-1 |
| Ubuntu Pro 22.04 LTS | linux-azure-6.5 | 6.5.0-1017.17~22.04.1 | LSN-0103-1, LSN-0102-1 |
| Ubuntu Pro 22.04 LTS | linux-gcp | 5.15.0-1054.62 | LSN-0103-1, LSN-0102-1 |
| Ubuntu Pro 22.04 LTS | linux-gke | 5.15.0-1053.58 | LSN-0103-1, LSN-0102-1 |
| Ubuntu Pro 22.04 LTS | linux-hwe-6.5 | 6.5.0-26.26~22.04.1 | LSN-0103-1, LSN-0102-1 |
| Ubuntu Pro 22.04 LTS | linux-ibm | 5.15.0-1049.52 | LSN-0103-1, LSN-0102-1 |
| Ubuntu Pro 20.04 LTS | linux | 5.4.0-174.193 | LSN-0103-1, LSN-0102-1 |
| Ubuntu Pro 20.04 LTS | linux-aws | 5.4.0-1121.131 | LSN-0103-1, LSN-0102-1 |
| Ubuntu Pro 20.04 LTS | linux-aws-5.15 | 5.15.0-1056.61~20.04.1 | LSN-0103-1, LSN-0102-1 |
| Ubuntu Pro 20.04 LTS | linux-azure | 5.4.0-1126.133 | LSN-0103-1, LSN-0102-1 |
| Ubuntu Pro 20.04 LTS | linux-gcp | 5.4.0-1125.134 | LSN-0103-1, LSN-0102-1 |
| Ubuntu Pro 20.04 LTS | linux-gcp-5.15 | 5.15.0-1054.62~20.04.1 | LSN-0103-1, LSN-0102-1 |
| Ubuntu Pro 20.04 LTS | linux-gke | No fix yet | LSN-0103-1, LSN-0102-1 |
| Ubuntu Pro 20.04 LTS | linux-gke-5.15 | 5.15.0-1032.37~20.04.1 | LSN-0102-1 |
| Ubuntu Pro 20.04 LTS | linux-gkeop | 5.4.0-1088.92 | LSN-0102-1 |
| Ubuntu Pro 20.04 LTS | linux-hwe-5.15 +1 | 5.15.0-101.111~20.04.1 | LSN-0103-1, LSN-0102-1 |
| Ubuntu Pro 20.04 LTS | linux-ibm | 5.4.0-1068.73 | LSN-0102-1 |
| Ubuntu Pro 20.04 LTS | linux-ibm-5.15 | 5.15.0-1049.52~20.04.1 | LSN-0103-1, LSN-0102-1 |
| Ubuntu Pro 18.04 LTS | linux | 4.15.0-223.235 | LSN-0102-1 |
| Ubuntu Pro 18.04 LTS | linux-aws | 4.15.0-1166.179 | LSN-0102-1 |
| Ubuntu Pro 18.04 LTS | linux-aws-5.4 | 5.4.0-1121.131~18.04.1 | LSN-0103-1, LSN-0102-1 |
| Ubuntu Pro 18.04 LTS | linux-azure-4.15 | 4.15.0-1175.190 | LSN-0102-1 |
| Ubuntu Pro 18.04 LTS | linux-azure-5.4 | 5.4.0-1126.133~18.04.1 | LSN-0103-1, LSN-0102-1 |
| Ubuntu Pro 18.04 LTS | linux-gcp-4.15 | 4.15.0-1160.177 | LSN-0102-1 |
| Ubuntu Pro 18.04 LTS | linux-gcp-5.4 | 5.4.0-1125.134~18.04.1 | LSN-0103-1, LSN-0102-1 |
| Ubuntu Pro 18.04 LTS | linux-hwe-5.4 | 5.4.0-174.193~18.04.1 | LSN-0103-1, LSN-0102-1 |
| Ubuntu Pro 16.04 LTS | linux | 4.4.0-252.286 | LSN-0102-1 |
| Ubuntu Pro 16.04 LTS | linux-aws | 4.4.0-1167.182 | LSN-0102-1 |
| Ubuntu Pro 16.04 LTS | linux-aws-hwe | 4.15.0-1166.179~16.04.1 | LSN-0102-1 |
| Ubuntu Pro 16.04 LTS | linux-azure | 4.15.0-1175.190~16.04.1 | LSN-0102-1 |
| Ubuntu Pro 16.04 LTS | linux-gcp | 4.15.0-1160.177~16.04.1 | LSN-0102-1 |
| Ubuntu Pro 16.04 LTS | linux-hwe | 4.15.0-223.235~16.04.1 | LSN-0102-1 |
| Ubuntu Pro 14.04 LTS | linux-lts-xenial | 4.4.0-252.286~14.04.1 | LSN-0102-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP5 | kernel-64kb +6 | 5.14.21-150500.55.28.1 | SUSE-SU-2023:3971-1 |
| SLES 15 SP5 | kernel-azure +2 | 5.14.21-150500.33.17.1 | SUSE-SU-2023:3656-1 |
| SLES 15 SP5 | kernel-default-base | 5.14.21-150500.55.28.1.150500.6.11.2 | SUSE-SU-2023:3971-1 |
| SLES 15 SP4 | kernel-64kb +6 | 5.14.21-150400.24.88.1 | SUSE-SU-2023:3969-1 |
| SLES 15 SP4 | kernel-azure +2 | 5.14.21-150400.14.66.1 | SUSE-SU-2023:3682-1 |
| SLES 15 SP4 | kernel-default-base | 5.14.21-150400.24.88.1.150400.24.40.1 | SUSE-SU-2023:3969-1 |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLE Micro 5.5 | kernel-default | 5.14.21-150500.55.28.1 | SUSE-SU-2023:3971-1 |
| SLE Micro 5.5 | kernel-default-base | 5.14.21-150500.55.28.1.150500.6.11.2 | SUSE-SU-2023:3971-1 |
| SLE Micro 5.5 | kernel-rt | 5.14.21-150500.13.18.1 | SUSE-SU-2023:3988-1 |
| SLE Micro 5.4 | kernel-default | 5.14.21-150400.24.88.1 | SUSE-SU-2023:3969-1 |
| SLE Micro 5.4 | kernel-default-base | 5.14.21-150400.24.88.1.150400.24.40.1 | SUSE-SU-2023:3969-1 |
| SLE Micro 5.4 | kernel-rt | 5.14.21-150400.15.53.1 | SUSE-SU-2023:3964-1 |
| SLE Micro 5.3 | kernel-default | 5.14.21-150400.24.88.1 | SUSE-SU-2023:3969-1 |
| SLE Micro 5.3 | kernel-default-base | 5.14.21-150400.24.88.1.150400.24.40.1 | SUSE-SU-2023:3969-1 |
| SLE Micro 5.3 | kernel-rt | 5.14.21-150400.15.53.1 | SUSE-SU-2023:3964-1 |
| SLE Live Patching 15 SP5 | kernel-default | 5.14.21-150500.55.28.1 | SUSE-SU-2023:3971-1 |
| SLE Live Patching 15 SP5 | kernel-livepatch-SLE15-SP5-RT_Update_4 +1 | 1-150500.11.3.1 | SUSE-SU-2023:3988-1, SUSE-SU-2023:3599-2, SUSE-SU-2023:3599-1 |
| SLE Live Patching 15 SP5 | kernel-livepatch-SLE15-SP5_Update_5 | 1-150500.11.5.1 | SUSE-SU-2023:3971-1 |
| SLE Live Patching 15 SP4 | kernel-default | 5.14.21-150400.24.88.1 | SUSE-SU-2023:3969-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4-RT_Update_12 +1 | 1-150400.1.3.1 | SUSE-SU-2023:3964-1, SUSE-SU-2023:3600-2, SUSE-SU-2023:3600-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4_Update_18 | 1-150400.9.3.1 | SUSE-SU-2023:3969-1 |
| SUSE Real Time Module 15 SP5 | kernel-rt +3 | 5.14.21-150500.13.18.1 | SUSE-SU-2023:3988-1 |
| SUSE Real Time Module 15 SP4 | kernel-rt +3 | 5.14.21-150400.15.53.1 | SUSE-SU-2023:3964-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.5 | dtb-aarch64 +10 | 5.14.21-150500.55.28.1 | SUSE-SU-2023:3971-1 |
| openSUSE Leap 15.5 | kernel-azure +2 | 5.14.21-150500.33.17.1 | SUSE-SU-2023:3656-1 |
| openSUSE Leap 15.5 | kernel-default-base | 5.14.21-150500.55.28.1.150500.6.11.2 | SUSE-SU-2023:3971-1 |
| openSUSE Leap 15.5 | kernel-rt +3 | 5.14.21-150500.13.18.1 | SUSE-SU-2023:3988-1 |
| openSUSE Leap 15.4 | dtb-aarch64 +10 | 5.14.21-150400.24.88.1 | SUSE-SU-2023:3969-1 |
| openSUSE Leap 15.4 | kernel-azure +2 | 5.14.21-150400.14.66.1 | SUSE-SU-2023:3682-1 |
| openSUSE Leap 15.4 | kernel-default-base | 5.14.21-150400.24.88.1.150400.24.40.1 | SUSE-SU-2023:3969-1 |
| openSUSE Leap 15.4 | kernel-rt +3 | 5.14.21-150400.15.53.1 | SUSE-SU-2023:3964-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | kernel-livepatch-6.1.49-69.116 | 1.0-0.amzn2023 | ALAS2023-2023-330 |
| Amazon Linux 2023 | perf +12 | 6.1.49-69.116.amzn2023 | ALAS2023-2023-330 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | kernel | 5.15.131.1-2 | — |
Advisories 22
- USN-6466-1 linux-nvidia-6.2 vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-6385-1 linux-oem-6.0 vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-6383-1 linux, linux-aws, linux-aws-6.2, linux-azure, linux-azure-6.2, linux-azure-fde-6.2, linux-gcp, linux-gcp-6.2, linux-hwe-6.2, linux-ibm, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-6.2, linux-oracle, linux-raspi, linux-starfive vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-6386-3 linux-intel-iotg, linux-intel-iotg-5.15, linux-oracle, linux-oracle-5.15 vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-6386-1 linux, linux-aws, linux-aws-5.15, linux-azure, linux-azure-5.15, linux-azure-fde, linux-azure-fde-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, linux-lowlatency-hwe-5.15, linux-nvidia vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-6386-2 linux-raspi vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- LSN-0102-1 Kernel Live Patch Security Notice Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-6384-1 linux-oem-6.1 vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- LSN-0103-1 Kernel Live Patch Security Notice Ubuntu Security Notices (USN) · Jun 3, 2026
- DSA-5492-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- ALAS2023-2023-330 Important: kernel security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Feb 11, 2026
- SUSE-SU-2023:3599-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3599-2 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3969-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3600-2 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3964-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3600-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3656-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3988-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3971-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3682-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- WID-SEC-2023-2192 Linux Kernel: Schwachstelle ermöglicht Offenlegung von Informationen BSI CERT-Bund (WID) · May 1, 2024