Description
A use-after-free vulnerabilitity was discovered in drivers/net/hamradio/6pack.c of linux that allows an attacker to crash linux kernel by simulating ax25 device using 6pack driver from user space.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | kernel | Fixed in kernel v5.17-rc6 | — |
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-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 | 5.14.0-1036.40 | — |
| 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 | 4.15.0-189.200 | USN-5515-1 |
| Ubuntu 18.04 LTS | linux-aws | 4.15.0-1137.148 | USN-5515-1 |
| 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 | 4.15.0-1146.161 | USN-5515-1 |
| 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 | 4.15.0-1049.54 | USN-5515-1 |
| Ubuntu 18.04 LTS | linux-gcp +12 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp-4.15 | 4.15.0-1131.147 | USN-5515-1 |
| 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 | 4.15.0-1123.128 | USN-5515-1 |
| Ubuntu 18.04 LTS | linux-oracle | 4.15.0-1102.113 | USN-5515-1 |
| 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 | 4.15.0-1115.123 | USN-5515-1 |
| Ubuntu 18.04 LTS | linux-snapdragon | 4.15.0-1133.143 | USN-5515-1 |
| 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 | 4.15.0-2076.81 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-azure-fips | 4.15.0-2057.63 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-fips | 4.15.0-1094.105 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-gcp-fips | 4.15.0-2041.46 | — |
| Ubuntu Pro FIPS-updates 16.04 LTS | linux-fips | No fix yet | — |
| Ubuntu Pro 16.04 LTS | linux +2 | No fix yet | — |
| Ubuntu Pro 16.04 LTS | linux-aws-hwe | 4.15.0-1137.148~16.04.1 | USN-5515-1 |
| Ubuntu Pro 16.04 LTS | linux-azure | 4.15.0-1146.161~16.04.1 | USN-5541-1 |
| Ubuntu Pro 16.04 LTS | linux-gcp | 4.15.0-1131.147~16.04.1 | USN-5515-1 |
| Ubuntu Pro 16.04 LTS | linux-hwe | 4.15.0-189.200~16.04.1 | USN-5515-1 |
| Ubuntu Pro 16.04 LTS | linux-oracle | 4.15.0-1102.113~16.04.1 | USN-5515-1 |
| Ubuntu Pro 14.04 LTS | linux-aws +1 | No fix yet | — |
| Ubuntu Pro 14.04 LTS | linux-azure | 4.15.0-1146.161~14.04.1 | USN-5515-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP4 | kernel-64kb +6 | 5.14.21-150400.24.11.1 | SUSE-SU-2022:2520-1 |
| SLES 15 SP4 | kernel-azure +2 | 5.14.21-150400.14.7.1 | SUSE-SU-2022:2615-1 |
| SLES 15 SP4 | kernel-default-base | 5.14.21-150400.24.11.1.150400.24.3.6 | SUSE-SU-2022:2520-1 |
| SLES 15 SP3 | kernel-64kb +7 | 5.3.18-150300.59.63.1 | SUSE-SU-2022:1183-1 |
| SLES 15 SP3 | kernel-azure +2 | 5.3.18-150300.38.53.1 | SUSE-SU-2022:1163-1 |
| SLES 15 SP3 | kernel-default-base | 5.3.18-150300.59.63.1.150300.18.39.1 | SUSE-SU-2022:1183-1 |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLE Micro 5.2 | kernel-default | 5.3.18-150300.59.63.1 | SUSE-SU-2022:1183-1 |
| SLE Micro 5.2 | kernel-default-base | 5.3.18-150300.59.63.1.150300.18.39.1 | SUSE-SU-2022:1183-1 |
| SLE Micro 5.2 | kernel-rt | 5.3.18-150300.85.1 | SUSE-SU-2022:1407-1 |
| SLE Micro 5.1 | kernel-default | 5.3.18-150300.59.63.1 | SUSE-SU-2022:1183-1 |
| SLE Micro 5.1 | kernel-default-base | 5.3.18-150300.59.63.1.150300.18.39.1 | SUSE-SU-2022:1183-1 |
| SLE Micro 5.1 | kernel-rt | 5.3.18-150300.85.1 | SUSE-SU-2022:1407-1 |
| SLE Live Patching 15 SP4 | kernel-default | 5.14.21-150400.24.11.1 | SUSE-SU-2022:2520-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4_Update_1 | 1-150400.9.5.3 | SUSE-SU-2022:2520-1 |
| SLE Live Patching 15 SP3 | kernel-default | 5.3.18-150300.59.63.1 | SUSE-SU-2022:1183-1 |
| SLE Live Patching 15 SP3 | kernel-livepatch-SLE15-SP3_Update_17 | 1-150300.7.3.1 | SUSE-SU-2022:1183-1 |
| SUSE Real Time Module 15 SP3 | kernel-rt +3 | 5.3.18-150300.85.1 | SUSE-SU-2022:1407-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.4 | dtb-aarch64 +10 | 5.14.21-150400.24.11.1 | SUSE-SU-2022:2520-1 |
| openSUSE Leap 15.4 | kernel-azure +2 | 5.14.21-150400.14.7.1 | SUSE-SU-2022:2615-1 |
| openSUSE Leap 15.4 | kernel-default-base | 5.14.21-150400.24.11.1.150400.24.3.6 | SUSE-SU-2022:2520-1 |
| openSUSE Leap 15.3 | dtb-aarch64 +11 | 5.3.18-150300.59.63.1 | SUSE-SU-2022:1183-1 |
| openSUSE Leap 15.3 | kernel-azure +2 | 5.3.18-150300.38.53.1 | SUSE-SU-2022:1163-1 |
| openSUSE Leap 15.3 | kernel-default-base | 5.3.18-150300.59.63.1.150300.18.39.1 | SUSE-SU-2022:1183-1 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | kernel | 5.15.67.1-4 | — |
Advisories 15
- 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-5515-1 linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-dell300x, 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-5541-1 linux-azure 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
- 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-2022:2520-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2615-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1163-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1183-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1407-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- 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
- WID-SEC-2022-0161 Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service BSI CERT-Bund (WID) · Dec 28, 2022