Description
An issue was discovered in the Linux kernel before 5.8.6. drivers/media/cec/core/cec-api.c leaks one byte of kernel memory on specific hardware to unprivileged users, because of directly assigning log_addrs with a hole in the struct.
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 | 5.8.7-1 | — |
| Debian 13 | linux | 5.8.7-1 | — |
| Debian 12 | linux | 5.8.7-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-raspi-realtime | No fix yet | — |
| Ubuntu 22.04 LTS | linux-riscv +21 | No fix yet | — |
| Ubuntu 20.04 LTS | linux | 5.4.0-51.56 | — |
| Ubuntu 20.04 LTS | linux-aws +2 | 5.4.0-1028.29 | — |
| Ubuntu 20.04 LTS | linux-azure | 5.4.0-1031.32 | — |
| Ubuntu 20.04 LTS | linux-gke +26 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-kvm | 5.4.0-1026.27 | — |
| Ubuntu 20.04 LTS | linux-raspi | 5.4.0-1021.24 | — |
| Ubuntu 18.04 LTS | linux | 4.15.0-121.123 | — |
| Ubuntu 18.04 LTS | linux-aws | 4.15.0-1086.91 | — |
| Ubuntu 18.04 LTS | linux-aws-5.4 +2 | 5.4.0-1028.29~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-azure-4.15 | 4.15.0-1099.110 | — |
| Ubuntu 18.04 LTS | linux-azure-5.4 | 5.4.0-1031.32~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-gcp +14 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp-4.15 | 4.15.0-1086.98 | — |
| Ubuntu 18.04 LTS | linux-hwe-5.4 | 5.4.0-51.56~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-kvm | 4.15.0-1077.79 | — |
| Ubuntu 18.04 LTS | linux-oracle | 4.15.0-1057.62 | — |
| Ubuntu 18.04 LTS | linux-raspi-5.4 | 5.4.0-1021.24~18.04.1 | — |
| Ubuntu 16.04 LTS | linux-aws-hwe | 4.15.0-1085.90~16.04.1 | — |
| Ubuntu 16.04 LTS | linux-azure | 4.15.0-1098.109~16.04.1 | — |
| Ubuntu 16.04 LTS | linux-gcp | 4.15.0-1086.98~16.04.1 | — |
| Ubuntu 16.04 LTS | linux-hwe | 4.15.0-120.122~16.04.1 | — |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
| Ubuntu 16.04 LTS | linux-oracle | 4.15.0-1056.61~16.04.1 | — |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro FIPS 20.04 LTS | linux-aws-fips +2 | No fix yet | — |
| Ubuntu Pro FIPS 18.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-aws-fips | 5.4.0-1069.73+fips2 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-azure-fips | 5.4.0-1073.76+fips1 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-gcp-fips | 5.4.0-1067.71~20.04.1 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-aws-fips | 4.15.0-2030.31 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-azure-fips | 4.15.0-2012.14 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-fips | 4.15.0-1044.50 | — |
| Ubuntu Pro 14.04 LTS | linux-azure | 4.15.0-1098.109~14.04.1 | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | kernel-64kb +7 | 5.3.18-150300.59.138.1 | SUSE-SU-2023:4095-1 |
| SLES 15 SP3 | kernel-default-base | 5.3.18-150300.59.138.1.150300.18.80.2 | SUSE-SU-2023:4095-1 |
| SLES 15 SP2 | kernel-default-base | 5.3.18-150200.24.166.1.150200.9.83.1 | SUSE-SU-2023:4030-1 |
| SLES 15 SP2 | kernel-docs | 5.3.18-150200.24.166.2 | SUSE-SU-2023:4030-1 |
| SLES 15 SP2 | kernel-syms +4 | 5.3.18-150200.24.166.1 | SUSE-SU-2023:4030-1 |
| SLES 15 SP1 | kernel-docs +5 | 4.12.14-150100.197.160.1 | SUSE-SU-2023:4347-1 |
| SLES 12 SP5 | kernel-azure +2 | 4.12.14-16.152.1 | SUSE-SU-2023:4032-1 |
| SLES 12 SP5 | kernel-docs +4 | 4.12.14-122.179.1 | SUSE-SU-2023:4031-1 |
Show 17 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP3 | kernel-default-base | 5.3.18-150300.59.138.1.150300.18.80.2 | SUSE-SU-2023:4095-1 |
| SLES for SAP 15 SP3 | kernel-docs +5 | 5.3.18-150300.59.138.1 | SUSE-SU-2023:4095-1 |
| SLES for SAP 15 SP2 | kernel-default-base | 5.3.18-150200.24.166.1.150200.9.83.1 | SUSE-SU-2023:4030-1 |
| SLES for SAP 15 SP2 | kernel-docs | 5.3.18-150200.24.166.2 | SUSE-SU-2023:4030-1 |
| SLES for SAP 15 SP2 | kernel-syms +4 | 5.3.18-150200.24.166.1 | SUSE-SU-2023:4030-1 |
| SLES for SAP 15 SP1 | kernel-docs +4 | 4.12.14-150100.197.160.1 | SUSE-SU-2023:4347-1 |
| SLES for SAP 12 SP5 | kernel-azure +2 | 4.12.14-16.152.1 | SUSE-SU-2023:4032-1 |
| SLES for SAP 12 SP5 | kernel-syms +2 | 4.12.14-122.179.1 | SUSE-SU-2023:4031-1 |
| SLE Real Time 12 SP5 | kernel-rt +3 | 4.12.14-10.144.1 | SUSE-SU-2023:4033-1 |
| SLE Micro 5.2 | kernel-default | 5.3.18-150300.59.138.1 | SUSE-SU-2023:4095-1 |
| SLE Micro 5.2 | kernel-default-base | 5.3.18-150300.59.138.1.150300.18.80.2 | SUSE-SU-2023:4095-1 |
| SLE Micro 5.2 | kernel-rt | 5.3.18-150300.144.1 | SUSE-SU-2023:4142-1 |
| SLE Micro 5.1 | kernel-default | 5.3.18-150300.59.138.1 | SUSE-SU-2023:4095-1 |
| SLE Micro 5.1 | kernel-default-base | 5.3.18-150300.59.138.1.150300.18.80.2 | SUSE-SU-2023:4095-1 |
| SLE Micro 5.1 | kernel-rt | 5.3.18-150300.144.1 | SUSE-SU-2023:4142-1 |
| SLE Live Patching 15 SP3 | kernel-default | 5.3.18-150300.59.138.1 | SUSE-SU-2023:4095-1 |
| SLE Live Patching 15 SP3 | kernel-livepatch-SLE15-SP3_Update_37 | 1-150300.7.5.1 | SUSE-SU-2023:4095-1 |
| SLE Live Patching 15 SP2 | kernel-default | 5.3.18-150200.24.166.1 | SUSE-SU-2023:4030-1 |
| SLE Live Patching 15 SP2 | kernel-livepatch-SLE15-SP2_Update_41 | 1-150200.5.3.1 | SUSE-SU-2023:4030-1 |
| SLE Live Patching 15 SP1 | kernel-default | 4.12.14-150100.197.160.1 | SUSE-SU-2023:4347-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_45 | 1-150100.3.3.1 | SUSE-SU-2023:4347-1 |
| SLE Live Patching 12 SP5 | kernel-default | 4.12.14-122.179.1 | SUSE-SU-2023:4031-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_49 | 1-8.3.1 | SUSE-SU-2023:4031-1 |
| SLE HPC 15 SP3 | kernel-64kb +6 | 5.3.18-150300.59.138.1 | SUSE-SU-2023:4095-1 |
| SLE HPC 15 SP3 | kernel-default-base | 5.3.18-150300.59.138.1.150300.18.80.2 | SUSE-SU-2023:4095-1 |
| SLE HPC 15 SP2 | kernel-default-base | 5.3.18-150200.24.166.1.150200.9.83.1 | SUSE-SU-2023:4030-1 |
| SLE HPC 15 SP2 | kernel-docs | 5.3.18-150200.24.166.2 | SUSE-SU-2023:4030-1 |
| SLE HPC 15 SP2 | kernel-syms +4 | 5.3.18-150200.24.166.1 | SUSE-SU-2023:4030-1 |
| SLE HPC 15 SP1 | kernel-docs +4 | 4.12.14-150100.197.160.1 | SUSE-SU-2023:4347-1 |
| SUSE Manager Server 4.2 | kernel-default-base | 5.3.18-150300.59.138.1.150300.18.80.2 | SUSE-SU-2023:4095-1 |
| SUSE Manager Server 4.2 | kernel-source +3 | 5.3.18-150300.59.138.1 | SUSE-SU-2023:4095-1 |
| SUSE Manager Proxy 4.2 | kernel-default-base | 5.3.18-150300.59.138.1.150300.18.80.2 | SUSE-SU-2023:4095-1 |
| SUSE Manager Proxy 4.2 | kernel-source +2 | 5.3.18-150300.59.138.1 | SUSE-SU-2023:4095-1 |
| SUSE Enterprise Storage 7.1 | kernel-64kb +6 | 5.3.18-150300.59.138.1 | SUSE-SU-2023:4095-1 |
| SUSE Enterprise Storage 7.1 | kernel-default-base | 5.3.18-150300.59.138.1.150300.18.80.2 | SUSE-SU-2023:4095-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.5 | kernel-vanilla | 4.12.14-150100.197.160.1 | SUSE-SU-2023:4347-1 |
| openSUSE Leap 15.4 | kernel-debug +4 | 4.12.14-150100.197.160.1 | SUSE-SU-2023:4347-1 |
Advisories 8
- SUSE-SU-2023:4347-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:4142-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:4033-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:4032-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:4031-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:4030-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:4095-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2023-2395 Linux Kernel: Schwachstelle ermöglicht Offenlegung von Informationen BSI CERT-Bund (WID) · Jan 28, 2024