Description
In the Linux kernel before 5.15.13, drivers/net/ethernet/mellanox/mlx5/core/steering/dr_domain.c misinterprets the mlx5_get_uars_page return value (expects it to be NULL in the error case, whereas it is actually an error pointer).
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 | 5.15.15-1 | — |
| Debian 13 | linux | 5.15.15-1 | — |
| Debian 12 | linux | 5.15.15-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-raspi-realtime | No fix yet | — |
| Ubuntu 22.04 LTS | linux-riscv +2 | No fix yet | — |
| Ubuntu 20.04 LTS | linux | 5.4.0-105.119 | — |
| Ubuntu 20.04 LTS | linux-aws | 5.4.0-1069.73 | — |
| Ubuntu 20.04 LTS | linux-azure | 5.4.0-1073.76 | — |
| Ubuntu 20.04 LTS | linux-bluefield | 5.4.0-1032.35 | — |
| Ubuntu 20.04 LTS | linux-gcp | 5.4.0-1068.72 | — |
| Ubuntu 20.04 LTS | linux-gke | 5.4.0-1066.69 | — |
| Ubuntu 20.04 LTS | linux-gkeop | 5.4.0-1037.38 | — |
| Ubuntu 20.04 LTS | linux-ibm | 5.4.0-1018.20 | — |
| Ubuntu 20.04 LTS | linux-kvm | 5.4.0-1059.62 | — |
| Ubuntu 20.04 LTS | linux-oem-5.14 | 5.14.0-1022.24 | — |
| Ubuntu 20.04 LTS | linux-oracle | 5.4.0-1067.72 | — |
| Ubuntu 20.04 LTS | linux-raspi | 5.4.0-1056.63 | — |
| Ubuntu 20.04 LTS | linux-riscv +22 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-aws-5.4 | 5.4.0-1069.73~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-azure-5.4 | 5.4.0-1073.76~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-gcp +13 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp-5.4 | 5.4.0-1068.72~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-hwe-5.4 | 5.4.0-105.119~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-ibm-5.4 | 5.4.0-1018.20~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-oracle-5.4 | 5.4.0-1067.72~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-raspi-5.4 | 5.4.0-1056.63~18.04.1 | — |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro FIPS 20.04 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-fips | 5.4.0-1046.52 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-gcp-fips | 5.4.0-1067.71~20.04.1 | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP5 | kernel-64kb +6 | 5.14.21-150500.55.7.1 | SUSE-SU-2023:2871-1 |
| SLES 15 SP5 | kernel-azure +2 | 5.14.21-150500.33.3.1 | SUSE-SU-2023:2646-1 |
| SLES 15 SP5 | kernel-default-base | 5.14.21-150500.55.7.1.150500.6.2.5 | SUSE-SU-2023:2871-1 |
| SLES 15 SP4 | kernel-64kb +6 | 5.14.21-150400.24.63.1 | SUSE-SU-2023:2140-1 |
| SLES 15 SP4 | kernel-azure +2 | 5.14.21-150400.14.49.1 | SUSE-SU-2023:2141-1 |
| SLES 15 SP4 | kernel-default-base | 5.14.21-150400.24.63.1.150400.24.27.1 | SUSE-SU-2023:2140-1 |
| SLES 15 SP3 | kernel-64kb +6 | 5.3.18-150300.59.115.2 | SUSE-SU-2023:0780-1 |
| SLES 15 SP3 | kernel-default-base | 5.3.18-150300.59.115.2.150300.18.66.1 | SUSE-SU-2023:0780-1 |
| SLES 15 SP3 | kernel-syms | 5.3.18-150300.59.115.1 | SUSE-SU-2023:0780-1 |
| SLES 15 SP2 | kernel-default-base | 5.3.18-150200.24.145.1.150200.9.69.1 | SUSE-SU-2023:0778-1 |
| SLES 15 SP2 | kernel-docs +5 | 5.3.18-150200.24.145.1 | SUSE-SU-2023:0778-1 |
Show 20 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP3 | kernel-default-base | 5.3.18-150300.59.115.2.150300.18.66.1 | SUSE-SU-2023:0780-1 |
| SLES for SAP 15 SP3 | kernel-docs +4 | 5.3.18-150300.59.115.2 | SUSE-SU-2023:0780-1 |
| SLES for SAP 15 SP3 | kernel-syms | 5.3.18-150300.59.115.1 | SUSE-SU-2023:0780-1 |
| SLES for SAP 15 SP2 | kernel-default-base | 5.3.18-150200.24.145.1.150200.9.69.1 | SUSE-SU-2023:0778-1 |
| SLES for SAP 15 SP2 | kernel-docs +5 | 5.3.18-150200.24.145.1 | SUSE-SU-2023:0778-1 |
| SLE Real Time 15 SP3 | kernel-default-base | 5.3.18-150300.59.115.2.150300.18.66.1 | SUSE-SU-2023:0780-1 |
| SLE Real Time 15 SP3 | kernel-docs +4 | 5.3.18-150300.59.115.2 | SUSE-SU-2023:0780-1 |
| SLE Real Time 15 SP3 | kernel-syms | 5.3.18-150300.59.115.1 | SUSE-SU-2023:0780-1 |
| SLE Micro 5.4 | kernel-default | 5.14.21-150400.24.63.1 | SUSE-SU-2023:2140-1 |
| SLE Micro 5.4 | kernel-default-base | 5.14.21-150400.24.63.1.150400.24.27.1 | SUSE-SU-2023:2140-1 |
| SLE Micro 5.4 | kernel-rt | 5.14.21-150400.15.28.2 | SUSE-SU-2023:2231-1 |
| SLE Micro 5.3 | kernel-default | 5.14.21-150400.24.63.1 | SUSE-SU-2023:2140-1 |
| SLE Micro 5.3 | kernel-default-base | 5.14.21-150400.24.63.1.150400.24.27.1 | SUSE-SU-2023:2140-1 |
| SLE Micro 5.3 | kernel-rt | 5.14.21-150400.15.28.2 | SUSE-SU-2023:2231-1 |
| SLE Micro 5.2 | kernel-default | 5.3.18-150300.59.115.2 | SUSE-SU-2023:0780-1 |
| SLE Micro 5.2 | kernel-default-base | 5.3.18-150300.59.115.2.150300.18.66.1 | SUSE-SU-2023:0780-1 |
| SLE Micro 5.2 | kernel-rt | 5.3.18-150300.121.1 | SUSE-SU-2023:0779-1 |
| SLE Micro 5.1 | kernel-default | 5.3.18-150300.59.115.2 | SUSE-SU-2023:0780-1 |
| SLE Micro 5.1 | kernel-default-base | 5.3.18-150300.59.115.2.150300.18.66.1 | SUSE-SU-2023:0780-1 |
| SLE Micro 5.1 | kernel-rt | 5.3.18-150300.121.1 | SUSE-SU-2023:0779-1 |
| SLE Live Patching 15 SP5 | kernel-default | 5.14.21-150500.55.7.1 | SUSE-SU-2023:2871-1 |
| SLE Live Patching 15 SP5 | kernel-livepatch-SLE15-SP5-RT_Update_1 | 1-150500.11.5.1 | SUSE-SU-2023:2809-1 |
| SLE Live Patching 15 SP5 | kernel-livepatch-SLE15-SP5_Update_1 | 1-150500.11.7.1 | SUSE-SU-2023:2871-1 |
| SLE Live Patching 15 SP4 | kernel-default | 5.14.21-150400.24.63.1 | SUSE-SU-2023:2140-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4-RT_Update_7 | 1-150400.1.5.2 | SUSE-SU-2023:2231-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4_Update_12 | 1-150400.9.3.1 | SUSE-SU-2023:2140-1 |
| SLE Live Patching 15 SP3 | kernel-default | 5.3.18-150300.59.115.2 | SUSE-SU-2023:0780-1 |
| SLE Live Patching 15 SP3 | kernel-livepatch-SLE15-SP3_Update_30 | 1-150300.7.3.1 | SUSE-SU-2023:0780-1 |
| SLE Live Patching 15 SP2 | kernel-default | 5.3.18-150200.24.145.1 | SUSE-SU-2023:0778-1 |
| SLE Live Patching 15 SP2 | kernel-livepatch-SLE15-SP2_Update_34 | 1-150200.5.3.1 | SUSE-SU-2023:0778-1 |
| SLE HPC 15 SP3 | kernel-64kb +5 | 5.3.18-150300.59.115.2 | SUSE-SU-2023:0780-1 |
| SLE HPC 15 SP3 | kernel-default-base | 5.3.18-150300.59.115.2.150300.18.66.1 | SUSE-SU-2023:0780-1 |
| SLE HPC 15 SP3 | kernel-syms | 5.3.18-150300.59.115.1 | SUSE-SU-2023:0780-1 |
| SLE HPC 15 SP2 | kernel-default-base | 5.3.18-150200.24.145.1.150200.9.69.1 | SUSE-SU-2023:0778-1 |
| SLE HPC 15 SP2 | kernel-docs +5 | 5.3.18-150200.24.145.1 | SUSE-SU-2023:0778-1 |
| SUSE Real Time Module 15 SP5 | kernel-rt +3 | 5.14.21-150500.13.5.1 | SUSE-SU-2023:2809-1 |
| SUSE Real Time Module 15 SP4 | kernel-rt +1 | 5.14.21-150400.15.28.2 | SUSE-SU-2023:2231-1 |
| SUSE Real Time Module 15 SP4 | kernel-syms-rt +1 | 5.14.21-150400.15.28.1 | SUSE-SU-2023:2231-1 |
| SUSE Real Time Module 15 SP3 | kernel-rt +3 | 5.3.18-150300.121.1 | SUSE-SU-2023:0779-1 |
| SUSE Manager Server 4.2 | kernel-default-base | 5.3.18-150300.59.115.2.150300.18.66.1 | SUSE-SU-2023:0780-1 |
| SUSE Manager Server 4.2 | kernel-source +3 | 5.3.18-150300.59.115.2 | SUSE-SU-2023:0780-1 |
| SUSE Manager Proxy 4.2 | kernel-default-base | 5.3.18-150300.59.115.2.150300.18.66.1 | SUSE-SU-2023:0780-1 |
| SUSE Manager Proxy 4.2 | kernel-source +2 | 5.3.18-150300.59.115.2 | SUSE-SU-2023:0780-1 |
| SUSE Enterprise Storage 7.1 | kernel-64kb +5 | 5.3.18-150300.59.115.2 | SUSE-SU-2023:0780-1 |
| SUSE Enterprise Storage 7.1 | kernel-default-base | 5.3.18-150300.59.115.2.150300.18.66.1 | SUSE-SU-2023:0780-1 |
| SUSE Enterprise Storage 7.1 | kernel-syms | 5.3.18-150300.59.115.1 | SUSE-SU-2023:0780-1 |
| SUSE Enterprise Storage 7 | kernel-default-base | 5.3.18-150200.24.145.1.150200.9.69.1 | SUSE-SU-2023:0778-1 |
| SUSE Enterprise Storage 7 | kernel-docs +5 | 5.3.18-150200.24.145.1 | SUSE-SU-2023:0778-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.5 | dtb-aarch64 +10 | 5.14.21-150500.55.7.1 | SUSE-SU-2023:2871-1 |
| openSUSE Leap 15.5 | kernel-azure +2 | 5.14.21-150500.33.3.1 | SUSE-SU-2023:2646-1 |
| openSUSE Leap 15.5 | kernel-default-base | 5.14.21-150500.55.7.1.150500.6.2.5 | SUSE-SU-2023:2871-1 |
| openSUSE Leap 15.5 | kernel-rt +3 | 5.14.21-150500.13.5.1 | SUSE-SU-2023:2809-1 |
| openSUSE Leap 15.4 | dtb-aarch64 | 5.3.18-150300.59.115.1 | SUSE-SU-2023:2140-1, SUSE-SU-2023:0780-1 |
| openSUSE Leap 15.4 | kernel-64kb +9 | 5.14.21-150400.24.63.1 | SUSE-SU-2023:2140-1 |
| openSUSE Leap 15.4 | kernel-azure +2 | 5.14.21-150400.14.49.1 | SUSE-SU-2023:2141-1 |
| openSUSE Leap 15.4 | kernel-default-base | 5.14.21-150400.24.63.1.150400.24.27.1 | SUSE-SU-2023:2140-1 |
| openSUSE Leap 15.4 | kernel-rt +1 | 5.14.21-150400.15.28.2 | SUSE-SU-2023:2231-1 |
| openSUSE Leap 15.4 | kernel-syms-rt +1 | 5.14.21-150400.15.28.1 | SUSE-SU-2023:2231-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap Micro 5.3 | kernel-default | 5.14.21-150400.24.63.1 | SUSE-SU-2023:2140-1 |
| openSUSE Leap Micro 5.3 | kernel-default-base | 5.14.21-150400.24.63.1.150400.24.27.1 | SUSE-SU-2023:2140-1 |
| openSUSE Leap Micro 5.3 | kernel-rt | 5.14.21-150400.15.28.2 | SUSE-SU-2023:2231-1 |
Advisories 10
- SUSE-SU-2023:2141-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:2646-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0779-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:2871-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0780-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0778-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:2231-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:2140-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:2809-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2023-0538 Linux Kernel: Schwachstelle ermöglicht nicht spezifizierten Angriff BSI CERT-Bund (WID) · Feb 27, 2024