Description
In the Linux kernel before 5.17.1, a refcount leak bug was found in net/llc/af_llc.c.
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 | 5.16.18-1 | — |
| Debian 13 | linux | 5.16.18-1 | — |
| Debian 12 | linux | 5.16.18-1 | — |
| Debian 11 | linux | 5.10.113-1 | DSA-5127-1 |
| Debian 10 | linux | 4.19.249-2 | DSA-5173-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 9 | linux | 4.9.320-2 | DLA-3065-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-raspi-realtime | No fix yet | — |
| Ubuntu 22.04 LTS | linux +1 | 5.15.0-37.39 | USN-5469-1 |
| Ubuntu 22.04 LTS | linux-aws | 5.15.0-1011.14 | USN-5469-1 |
| Ubuntu 22.04 LTS | linux-azure | 5.15.0-1010.12 | USN-5469-1 |
| Ubuntu 22.04 LTS | linux-gcp | 5.15.0-1008.12 | USN-5469-1 |
| Ubuntu 22.04 LTS | linux-gke | 5.15.0-1008.10 | USN-5469-1 |
| Ubuntu 22.04 LTS | linux-ibm | 5.15.0-1007.8 | USN-5469-1 |
| Ubuntu 22.04 LTS | linux-intel-iotg | 5.15.0-1008.11 | USN-5469-1 |
| Ubuntu 22.04 LTS | linux-kvm | 5.15.0-1010.11 | USN-5469-1 |
| Ubuntu 22.04 LTS | linux-oem-5.17 | 5.17.0-1004.4 | — |
| Ubuntu 22.04 LTS | linux-oem-6.0 +2 | No fix yet | — |
| Ubuntu 22.04 LTS | linux-oracle | 5.15.0-1009.12 | USN-5469-1 |
| Ubuntu 22.04 LTS | linux-raspi | 5.15.0-1011.13 | USN-5469-1 |
| Ubuntu 22.04 LTS | linux-riscv | 5.15.0-1012.13 | — |
| Ubuntu 20.04 LTS | linux | 5.4.0-117.132 | USN-5467-1 |
| Ubuntu 20.04 LTS | linux-aws +1 | 5.4.0-1078.84 | USN-5467-1 |
| Ubuntu 20.04 LTS | linux-azure | 5.4.0-1083.87 | USN-5467-1 |
| Ubuntu 20.04 LTS | linux-azure-5.15 | 5.15.0-1008.9~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-azure-fde | 5.4.0-1083.87+cvm1.1 | USN-5467-1 |
| Ubuntu 20.04 LTS | linux-bluefield | 5.4.0-1040.44 | — |
| Ubuntu 20.04 LTS | linux-gke | 5.4.0-1074.79 | USN-5467-1 |
| Ubuntu 20.04 LTS | linux-gkeop | 5.4.0-1046.48 | USN-5467-1 |
| Ubuntu 20.04 LTS | linux-hwe-5.15 | 5.15.0-41.44~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-ibm | 5.4.0-1026.29 | USN-5467-1 |
| Ubuntu 20.04 LTS | linux-intel-iotg-5.15 | 5.15.0-1008.11~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-iot | 5.4.0-1004.6 | — |
| Ubuntu 20.04 LTS | linux-kvm | 5.4.0-1068.72 | USN-5467-1 |
| Ubuntu 20.04 LTS | linux-lowlatency-hwe-5.15 | 5.15.0-42.45~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-oem-5.14 | 5.14.0-1033.36 | USN-5381-1 |
| Ubuntu 20.04 LTS | linux-oracle | 5.4.0-1076.83 | USN-5467-1 |
| Ubuntu 20.04 LTS | linux-raspi | 5.4.0-1065.75 | USN-5467-1 |
| Ubuntu 20.04 LTS | linux-riscv +22 | No fix yet | — |
| Ubuntu 18.04 LTS | linux | 4.15.0-184.194 | USN-5466-1 |
| Ubuntu 18.04 LTS | linux-aws | 4.15.0-1133.143 | USN-5466-1 |
| Ubuntu 18.04 LTS | linux-aws-5.4 +1 | 5.4.0-1078.84~18.04.1 | USN-5467-1 |
| Ubuntu 18.04 LTS | linux-azure-4.15 | 4.15.0-1142.156 | USN-5466-1 |
| Ubuntu 18.04 LTS | linux-azure-5.4 | 5.4.0-1083.87~18.04.1 | USN-5467-1 |
| Ubuntu 18.04 LTS | linux-dell300x | 4.15.0-1047.52 | — |
| Ubuntu 18.04 LTS | linux-gcp +12 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp-4.15 | 4.15.0-1127.142 | USN-5466-1 |
| Ubuntu 18.04 LTS | linux-gke-5.4 | 5.4.0-1074.79~18.04.1 | USN-5467-1 |
| Ubuntu 18.04 LTS | linux-gkeop-5.4 | 5.4.0-1046.48~18.04.1 | USN-5467-1 |
| Ubuntu 18.04 LTS | linux-hwe-5.4 | 5.4.0-117.132~18.04.1 | USN-5467-1 |
| Ubuntu 18.04 LTS | linux-ibm-5.4 | 5.4.0-1028.32~18.04.1 | USN-5467-1 |
| Ubuntu 18.04 LTS | linux-kvm | 4.15.0-1119.123 | USN-5466-1 |
| Ubuntu 18.04 LTS | linux-oracle | 4.15.0-1098.108 | USN-5466-1 |
| Ubuntu 18.04 LTS | linux-oracle-5.4 | 5.4.0-1076.83~18.04.1 | USN-5467-1 |
| Ubuntu 18.04 LTS | linux-raspi-5.4 | 5.4.0-1065.75~18.04.1 | USN-5467-1 |
| Ubuntu 18.04 LTS | linux-raspi2 | 4.15.0-1114.122 | USN-5466-1 |
| Ubuntu 18.04 LTS | linux-snapdragon | 4.15.0-1132.142 | USN-5466-1 |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
Show 9 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro Realtime 22.04 LTS | linux-realtime | 5.15.0-1014.14 | — |
| Ubuntu Pro FIPS 20.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS 18.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS 16.04 LTS | linux-fips | No fix yet | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-aws-fips +1 | 5.4.0-1078.84+fips1 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-azure-fips | 5.4.0-1083.87+fips1 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-fips | 5.4.0-1054.61 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-aws-fips | 4.15.0-2072.76 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-azure-fips | 4.15.0-2053.58 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-fips | 4.15.0-1090.100 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-gcp-fips | 4.15.0-2037.41 | — |
| Ubuntu Pro FIPS-updates 16.04 LTS | linux-fips | 4.4.0-1079.86 | — |
| Ubuntu Pro 16.04 LTS | linux | 4.4.0-229.263 | USN-5500-1 |
| Ubuntu Pro 16.04 LTS | linux-aws | 4.4.0-1145.160 | USN-5500-1 |
| Ubuntu Pro 16.04 LTS | linux-aws-hwe | 4.15.0-1133.143~16.04.1 | USN-5466-1 |
| Ubuntu Pro 16.04 LTS | linux-azure | 4.15.0-1142.156~16.04.1 | USN-5466-1 |
| Ubuntu Pro 16.04 LTS | linux-gcp | 4.15.0-1127.142~16.04.1 | USN-5466-1 |
| Ubuntu Pro 16.04 LTS | linux-hwe | 4.15.0-184.194~16.04.1 | USN-5466-1 |
| Ubuntu Pro 16.04 LTS | linux-kvm | 4.4.0-1110.120 | USN-5505-1 |
| Ubuntu Pro 16.04 LTS | linux-oracle | 4.15.0-1098.108~16.04.1 | USN-5466-1 |
| Ubuntu Pro 14.04 LTS | linux | No fix yet | — |
| Ubuntu Pro 14.04 LTS | linux-aws | 4.4.0-1109.115 | USN-5513-1 |
| Ubuntu Pro 14.04 LTS | linux-azure | 4.15.0-1142.156~14.04.1 | USN-5466-1 |
| Ubuntu Pro 14.04 LTS | linux-lts-xenial | 4.4.0-229.263~14.04.1 | USN-5505-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP4 | kernel-64kb +4 | 5.14.21-150400.24.21.2 | SUSE-SU-2022:3293-1 |
| SLES 15 SP4 | kernel-azure +2 | 5.14.21-150400.14.13.1 | SUSE-SU-2022:3288-1 |
| SLES 15 SP4 | kernel-default-base | 5.14.21-150400.24.21.2.150400.24.7.2 | SUSE-SU-2022:3293-1 |
| SLES 15 SP4 | kernel-docs | 5.14.21-150400.24.21.3 | SUSE-SU-2022:3293-1 |
| SLES 15 SP4 | kernel-syms | 5.14.21-150400.24.21.1 | SUSE-SU-2022:3293-1 |
| SLES 15 SP3 | kernel-64kb +7 | 5.3.18-150300.59.68.1 | SUSE-SU-2022:1687-1 |
| SLES 15 SP3 | kernel-azure +2 | 5.3.18-150300.38.56.1 | SUSE-SU-2022:1676-1 |
| SLES 15 SP3 | kernel-default-base | 5.3.18-150300.59.68.1.150300.18.41.3 | SUSE-SU-2022:1687-1 |
| SLES 15 SP1 | kernel-docs +5 | 4.12.14-150100.197.111.1 | SUSE-SU-2022:1256-1 |
| SLES 15 | kernel-docs +6 | 4.12.14-150000.150.89.1 | SUSE-SU-2022:1255-1 |
| SLES 12 SP5 | kernel-azure +2 | 4.12.14-16.94.1 | SUSE-SU-2022:1266-1 |
| SLES 12 SP5 | kernel-docs +3 | 4.12.14-122.121.2 | SUSE-SU-2022:1686-1 |
| SLES 12 SP5 | kernel-obs-build | 4.12.14-122.121.1 | SUSE-SU-2022:1686-1 |
Show 23 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP4 | kernel-syms +2 | 4.12.14-95.96.1 | SUSE-SU-2022:1267-1 |
| SLES 11 SP4 | kernel-ec2 +5 | 3.0.101-108.138.1 | SUSE-SU-2023:0416-1 |
| SLES for SAP 15 SP1 | kernel-docs +4 | 4.12.14-150100.197.111.1 | SUSE-SU-2022:1256-1 |
| SLES for SAP 15 | kernel-docs +5 | 4.12.14-150000.150.89.1 | SUSE-SU-2022:1255-1 |
| SLES for SAP 12 SP5 | kernel-azure +2 | 4.12.14-16.94.1 | SUSE-SU-2022:1266-1 |
| SLES for SAP 12 SP5 | kernel-syms +2 | 4.12.14-122.121.2 | SUSE-SU-2022:1686-1 |
| SLES for SAP 12 SP4 | kernel-syms +2 | 4.12.14-95.96.1 | SUSE-SU-2022:1267-1 |
| SLE Real Time 15 SP3 | release-notes-sle_rt | 15.3.20220422-150300.3.3.2 | SUSE-SU-2022:1669-1 |
| SLE Real Time 12 SP5 | kernel-rt +3 | 4.12.14-10.84.1 | SUSE-SU-2022:1668-1, SUSE-SU-2022:1402-1 |
| SLE Micro 5.2 | kernel-default | 5.3.18-150300.59.68.1 | SUSE-SU-2022:1687-1 |
| SLE Micro 5.2 | kernel-default-base | 5.3.18-150300.59.68.1.150300.18.41.3 | SUSE-SU-2022:1687-1 |
| SLE Micro 5.2 | kernel-rt | 5.3.18-150300.88.2 | SUSE-SU-2022:1669-1 |
| SLE Micro 5.1 | kernel-default | 5.3.18-150300.59.68.1 | SUSE-SU-2022:1687-1 |
| SLE Micro 5.1 | kernel-default-base | 5.3.18-150300.59.68.1.150300.18.41.3 | SUSE-SU-2022:1687-1 |
| SLE Micro 5.1 | kernel-rt | 5.3.18-150300.88.2 | SUSE-SU-2022:1669-1 |
| SLE Live Patching 15 SP4 | kernel-default | 5.14.21-150400.24.21.2 | SUSE-SU-2022:3293-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4-RT_Update_1 | 1-150400.1.3.1 | SUSE-SU-2022:4617-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4_Update_3 | 1-150400.9.3.2 | SUSE-SU-2022:3293-1 |
| SLE Live Patching 15 SP3 | kernel-default | 5.3.18-150300.59.68.1 | SUSE-SU-2022:1687-1 |
| SLE Live Patching 15 SP3 | kernel-livepatch-SLE15-SP3_Update_18 | 1-150300.7.5.1 | SUSE-SU-2022:1687-1 |
| SLE Live Patching 15 SP1 | kernel-default | 4.12.14-150100.197.111.1 | SUSE-SU-2022:1256-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_30 | 1-150100.3.3.1 | SUSE-SU-2022:1256-1 |
| SLE Live Patching 15 | kernel-default | 4.12.14-150000.150.89.1 | SUSE-SU-2022:1255-1 |
| SLE Live Patching 15 | kernel-livepatch-SLE15_Update_29 | 1-150000.1.3.1 | SUSE-SU-2022:1255-1 |
| SLE Live Patching 12 SP5 | kernel-default | 4.12.14-122.121.2 | SUSE-SU-2022:1686-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_31 | 1-8.5.2 | SUSE-SU-2022:1686-1 |
| SLE Live Patching 12 SP4 | kernel-default | 4.12.14-95.96.1 | SUSE-SU-2022:1267-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_26 | 1-6.3.1 | SUSE-SU-2022:1267-1 |
| SLE HPC 15 SP1 | kernel-docs +4 | 4.12.14-150100.197.111.1 | SUSE-SU-2022:1256-1 |
| SLE HPC 15 | kernel-docs +5 | 4.12.14-150000.150.89.1 | SUSE-SU-2022:1255-1 |
| SUSE Real Time Module 15 SP4 | kernel-rt +3 | 5.14.21-150400.15.5.1 | SUSE-SU-2022:4617-1 |
| SUSE Real Time Module 15 SP3 | kernel-rt +2 | 5.3.18-150300.88.2 | SUSE-SU-2022:1669-1 |
| SUSE Real Time Module 15 SP3 | kernel-syms-rt | 5.3.18-150300.88.1 | SUSE-SU-2022:1669-1 |
| SUSE Real Time Module 15 SP3 | release-notes-sle_rt | 15.3.20220422-150300.3.3.2 | SUSE-SU-2022:1669-1 |
| SUSE OpenStack Cloud Crowbar 9 | kernel-syms +2 | 4.12.14-95.96.1 | SUSE-SU-2022:1267-1 |
| SUSE OpenStack Cloud 9 | kernel-syms +2 | 4.12.14-95.96.1 | SUSE-SU-2022:1267-1 |
| SUSE Enterprise Storage 6 | kernel-docs +4 | 4.12.14-150100.197.111.1 | SUSE-SU-2022:1256-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.4 | dtb-aarch64 +1 | 5.3.18-150300.59.68.1 | SUSE-SU-2022:3293-1, SUSE-SU-2022:1687-1 |
| openSUSE Leap 15.4 | kernel-64kb +6 | 5.14.21-150400.24.21.2 | SUSE-SU-2022:3293-1 |
| openSUSE Leap 15.4 | kernel-azure +2 | 5.14.21-150400.14.13.1 | SUSE-SU-2022:3288-1 |
| openSUSE Leap 15.4 | kernel-default-base | 5.14.21-150400.24.21.2.150400.24.7.2 | SUSE-SU-2022:3293-1 |
| openSUSE Leap 15.4 | kernel-docs | 5.14.21-150400.24.21.3 | SUSE-SU-2022:3293-1 |
| openSUSE Leap 15.4 | kernel-rt +3 | 5.14.21-150400.15.5.1 | SUSE-SU-2022:4617-1 |
| openSUSE Leap 15.4 | kernel-syms +1 | 5.14.21-150400.24.21.1 | SUSE-SU-2022:3293-1 |
| openSUSE Leap 15.3 | dtb-aarch64 +7 | 5.3.18-150300.59.68.1 | SUSE-SU-2022:1687-1 |
| openSUSE Leap 15.3 | kernel-azure +2 | 5.3.18-150300.38.56.1 | SUSE-SU-2022:1676-1 |
| openSUSE Leap 15.3 | kernel-debug +4 | 4.12.14-150100.197.111.1 | SUSE-SU-2022:1687-1, SUSE-SU-2022:1256-1 |
| openSUSE Leap 15.3 | kernel-default-base | 5.3.18-150300.59.68.1.150300.18.41.3 | SUSE-SU-2022:1687-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | kernel-livepatch-4.14.275-207.503 | 1.0-0.amzn2 | ALAS2-2022-1774 |
| Amazon Linux 2 | perf +8 | 4.14.275-207.503.amzn2 | ALAS2-2022-1774 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | kernel | 5.15.37.1-2 | — |
Advisories 28
- USN-5467-1 linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-azure-fde, linux-gcp, linux-gcp-5.4, linux-gke, linux-gke-5.4, linux-gkeop, linux-gkeop-5.4, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-kvm, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4 vulnerabilities Ubuntu Security Notices (USN) · Sep 14, 2026
- USN-5469-1 linux, linux-aws, linux-azure, linux-gcp, linux-gke, linux-ibm, linux-intel-iotg, linux-kvm, linux-lowlatency, linux-oracle, linux-raspi vulnerabilities Ubuntu Security Notices (USN) · Sep 14, 2026
- USN-5505-1 linux-lts-xenial, linux-kvm vulnerabilities Ubuntu Security Notices (USN) · Sep 14, 2026
- USN-5513-1 linux-aws vulnerabilities Ubuntu Security Notices (USN) · Sep 14, 2026
- USN-5466-1 linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-gcp, linux-gcp-4.15, linux-hwe, linux-kvm, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Sep 14, 2026
- USN-5381-1 linux-oem-5.14 vulnerabilities Ubuntu Security Notices (USN) · Sep 14, 2026
- USN-5500-1 linux, linux-aws vulnerabilities Ubuntu Security Notices (USN) · Sep 10, 2026
- DSA-5173-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-5127-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3065-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2022:1402-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1687-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:3293-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1669-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1686-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1676-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1267-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1255-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0416-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:4617-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:3288-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1256-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1668-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1266-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- ALAS2-2022-1774 Important: kernel security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Oct 2, 2025
- WID-SEC-2022-0163 Linux Kernel: Mehrere Schwachstellen BSI CERT-Bund (WID) · Mar 20, 2024
- ICSA-23-075-01 Siemens SCALANCE, RUGGEDCOM Third-Party CISA ICS & IT advisories · Mar 14, 2023
- SSA-419740 SSA-419740: Multiple Third-Party Component Vulnerabilities in RUGGEDCOM and SCALANCE Products before V7.2 Siemens ProductCERT · Mar 14, 2023
References
- https://github.com/torvalds/linux/commit/764f4eb6846f5475f1244767d24d25dd86528a4a
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.1
- [oss-security] 20220406 CVE-2022-28356: Linux kernel: refcount leak in llc_ui_bind and llc_ui_autobind mailing-list
- DSA-5127 vendor-advisory
- https://security.netapp.com/advisory/ntap-20220506-0006/
- [debian-lts-announce] 20220701 [SECURITY] [DLA 3065-1] linux security update mailing-list
- DSA-5173 vendor-advisory