Description
A null pointer dereference issue was found in can protocol in net/can/af_can.c in the Linux before Linux. ml_priv may not be initialized in the receive path of CAN frames. A local user could use this flaw to crash the system or potentially cause a denial of service.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Linux | Linux Kernel version prior to Kernel 6.1 RC9 | — |
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 | 6.1.4-1 | — |
| Debian 13 | linux | 6.1.4-1 | — |
| Debian 12 | linux | 6.1.4-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Nvidia-BlueField 22.04 LTS | linux-bluefield | 5.15.0-1014.16 | — |
| Ubuntu 24.04 LTS | linux-raspi-realtime | No fix yet | — |
| Ubuntu 22.04 LTS | linux +1 | 5.15.0-67.74 | — |
| Ubuntu 22.04 LTS | linux-aws | 5.15.0-1031.35 | — |
| Ubuntu 22.04 LTS | linux-azure | 5.15.0-1034.41 | — |
| Ubuntu 22.04 LTS | linux-azure-fde | 5.15.0-1034.41.1 | — |
| Ubuntu 22.04 LTS | linux-gcp | 5.15.0-1030.37 | — |
| Ubuntu 22.04 LTS | linux-gke | 5.15.0-1028.33 | — |
| Ubuntu 22.04 LTS | linux-gkeop | 5.15.0-1016.21 | — |
| Ubuntu 22.04 LTS | linux-hwe-5.19 | 5.19.0-38.39~22.04.1 | — |
| Ubuntu 22.04 LTS | linux-ibm | 5.15.0-1026.29 | — |
| Ubuntu 22.04 LTS | linux-intel-iotg | 5.15.0-1026.31 | — |
| Ubuntu 22.04 LTS | linux-kvm | 5.15.0-1029.34 | — |
| Ubuntu 22.04 LTS | linux-lowlatency-hwe-5.19 | 5.19.0-1021.22~22.04.1 | — |
| Ubuntu 22.04 LTS | linux-nvidia | 5.15.0-1023.23 | — |
| Ubuntu 22.04 LTS | linux-oracle | 5.15.0-1030.36 | — |
| Ubuntu 22.04 LTS | linux-raspi | 5.15.0-1025.27 | — |
| Ubuntu 22.04 LTS | linux-riscv +5 | No fix yet | — |
| Ubuntu 20.04 LTS | linux | 5.4.0-144.161 | — |
| Ubuntu 20.04 LTS | linux-aws | 5.4.0-1097.105 | — |
| Ubuntu 20.04 LTS | linux-aws-5.15 | 5.15.0-1031.35~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-azure | 5.4.0-1104.110 | — |
| Ubuntu 20.04 LTS | linux-azure-5.15 | 5.15.0-1034.41~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-azure-fde-5.15 | 5.15.0-1034.41~20.04.1.2 | — |
| Ubuntu 20.04 LTS | linux-bluefield | 5.4.0-1059.65 | — |
| Ubuntu 20.04 LTS | linux-gcp | 5.4.0-1101.110 | — |
| Ubuntu 20.04 LTS | linux-gcp-5.15 | 5.15.0-1030.37~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-gke | 5.4.0-1095.102 | — |
| Ubuntu 20.04 LTS | linux-gke-5.15 | 5.15.0-1028.33~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-gkeop | 5.4.0-1065.69 | — |
| Ubuntu 20.04 LTS | linux-gkeop-5.15 | 5.15.0-1016.21~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-hwe-5.15 +1 | 5.15.0-67.74~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-ibm | 5.4.0-1045.50 | — |
| Ubuntu 20.04 LTS | linux-intel-iotg-5.15 | 5.15.0-1026.31~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-iot | 5.4.0-1013.15 | — |
| Ubuntu 20.04 LTS | linux-kvm | 5.4.0-1087.93 | — |
| Ubuntu 20.04 LTS | linux-oracle | 5.4.0-1094.103 | — |
| Ubuntu 20.04 LTS | linux-oracle-5.15 | 5.15.0-1030.36~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-raspi | 5.4.0-1081.92 | — |
| Ubuntu 20.04 LTS | linux-riscv +23 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-riscv-5.15 | 5.15.0-1030.34~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-xilinx-zynqmp | 5.4.0-1022.26 | — |
| Ubuntu 18.04 LTS | linux-aws-5.4 | 5.4.0-1097.105~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-azure-5.4 | 5.4.0-1104.110~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-gcp +13 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp-5.4 | 5.4.0-1101.110~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-hwe-5.4 | 5.4.0-144.161~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-ibm-5.4 | 5.4.0-1045.50~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-oracle-5.4 | 5.4.0-1094.103~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-raspi-5.4 | 5.4.0-1081.92~18.04.1 | — |
Show 3 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 | 5.15.0-1022.27 | — |
| Ubuntu Pro Realtime 22.04 LTS | linux-realtime | 5.15.0-1033.36 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-aws-fips | 5.4.0-1099.107+fips1 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-azure-fips | 5.4.0-1104.110+fips1 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-fips | 5.4.0-1073.82 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-gcp-fips | 5.4.0-1101.110+fips1 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | bpftool | 7.2.0-362.18.1.el9_3 | RHSA-2024:0461 |
| RHEL 9 | rv +64 | 5.14.0-362.18.1.el9_3 | RHSA-2024:0461 |
| RHEL 8 | kernel-rt +12 | 4.18.0-513.18.1.rt7.320.el8_9 | RHSA-2024:0881 |
| RHEL 8 | perf +26 | 4.18.0-513.18.1.el8_9 | RHSA-2024:0897 |
Show 9 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhev Hypervisor 4 | perf +2 | 4.18.0-372.91.1.el8_6 | RHSA-2024:0724 |
| RHEL 9.2 EUS | bpftool | 7.0.0-284.48.1.el9_2 | RHSA-2024:0448 |
| RHEL 9.2 EUS | kernel-rt +14 | 5.14.0-284.48.1.rt14.333.el9_2 | RHSA-2024:0439 |
| RHEL 9.2 EUS | perf +48 | 5.14.0-284.48.1.el9_2 | RHSA-2024:0448 |
| RHEL 9.0 EUS | kernel-rt +12 | 5.14.0-70.93.1.rt21.165.el9_0 | RHSA-2024:1306 |
| RHEL 9.0 EUS | perf +29 | 5.14.0-70.93.2.el9_0 | RHSA-2024:1250 |
| RHEL 8.8 EUS | perf +26 | 4.18.0-477.51.1.el8_8 | RHSA-2024:1404 |
| RHEL 8.6 EUS | perf +26 | 4.18.0-372.91.1.el8_6 | RHSA-2024:0724 |
| RHEL 8.4 TUS | kernel-rt +12 | 4.18.0-305.125.1.rt7.201.el8_4 | RHSA-2024:1382 |
| RHEL 8.4 TUS | perf +17 | 4.18.0-305.125.1.el8_4 | RHSA-2024:1367 |
| RHEL 8.4 E4S | perf +18 | 4.18.0-305.125.1.el8_4 | RHSA-2024:1367 |
| RHEL 8.4 AUS | perf +17 | 4.18.0-305.125.1.el8_4 | RHSA-2024:1367 |
| RHEL 8.2 AUS | perf +17 | 4.18.0-193.135.1.el8_2 | RHSA-2024:3528 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | perf +23 | 4.18.0-513.18.1.el8_9 | ALSA-2024:0897 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP5 | kernel-64kb +6 | 5.14.21-150500.55.19.1 | SUSE-SU-2024:4364-1, SUSE-SU-2023:3311-1 |
| SLES 15 SP5 | kernel-azure +2 | 5.14.21-150500.33.14.1 | SUSE-SU-2024:3983-1, SUSE-SU-2023:3376-1 |
| SLES 15 SP5 | kernel-default-base | 5.14.21-150500.55.19.1.150500.6.6.4 | SUSE-SU-2024:4364-1, SUSE-SU-2023:3311-1 |
| SLES 15 SP4 | kernel-64kb +6 | 5.14.21-150400.24.81.1 | SUSE-SU-2024:4131-1, SUSE-SU-2023:3313-1 |
| SLES 15 SP4 | kernel-azure +2 | 5.14.21-150400.14.63.1 | SUSE-SU-2023:3377-1 |
| SLES 15 SP4 | kernel-default-base | 5.14.21-150400.24.81.1.150400.24.35.3 | SUSE-SU-2024:4131-1, SUSE-SU-2023:3313-1 |
Show 11 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP4 | kernel-default-base | 5.14.21-150400.24.141.1.150400.24.68.2 | SUSE-SU-2024:4131-1 |
| SLES for SAP 15 SP4 | kernel-docs +4 | 5.14.21-150400.24.141.1 | SUSE-SU-2024:4131-1 |
| SLE Micro 5.5 | kernel-default | 5.14.21-150500.55.88.1 | SUSE-SU-2024:4364-1 |
| SLE Micro 5.5 | kernel-default-base | 5.14.21-150500.55.88.1.150500.6.39.4 | SUSE-SU-2024:4364-1 |
| SLE Micro 5.5 | kernel-rt +1 | 5.14.21-150500.13.76.1 | SUSE-SU-2024:3985-1 |
| SLE Micro 5.4 | kernel-default | 5.14.21-150400.24.81.1 | SUSE-SU-2024:4131-1, SUSE-SU-2023:3313-1 |
| SLE Micro 5.4 | kernel-default-base | 5.14.21-150400.24.81.1.150400.24.35.3 | SUSE-SU-2024:4131-1, SUSE-SU-2023:3313-1 |
| SLE Micro 5.4 | kernel-rt | 5.14.21-150400.15.46.1 | SUSE-SU-2024:4082-1, SUSE-SU-2023:3318-1 |
| SLE Micro 5.4 | kernel-source-rt | 5.14.21-150400.15.100.1 | SUSE-SU-2024:4082-1 |
| SLE Micro 5.3 | kernel-default | 5.14.21-150400.24.81.1 | SUSE-SU-2024:4131-1, SUSE-SU-2023:3313-1 |
| SLE Micro 5.3 | kernel-default-base | 5.14.21-150400.24.81.1.150400.24.35.3 | SUSE-SU-2024:4131-1, SUSE-SU-2023:3313-1 |
| SLE Micro 5.3 | kernel-rt | 5.14.21-150400.15.46.1 | SUSE-SU-2024:4082-1, SUSE-SU-2023:3318-1 |
| SLE Micro 5.3 | kernel-source-rt | 5.14.21-150400.15.100.1 | SUSE-SU-2024:4082-1 |
| SLE Live Patching 15 SP5 | kernel-default | 5.14.21-150500.55.19.1 | SUSE-SU-2024:4364-1, SUSE-SU-2023:3311-1 |
| SLE Live Patching 15 SP5 | kernel-livepatch-SLE15-SP5-RT_Update_22 | 1-150500.11.3.1 | SUSE-SU-2024:3985-1 |
| SLE Live Patching 15 SP5 | kernel-livepatch-SLE15-SP5_Update_21 +1 | 1-150500.11.5.1 | SUSE-SU-2024:4364-1, SUSE-SU-2023:3302-1 |
| SLE Live Patching 15 SP5 | kernel-livepatch-SLE15-SP5_Update_3 | 1-150500.11.3.4 | SUSE-SU-2023:3311-1 |
| SLE Live Patching 15 SP4 | kernel-default | 5.14.21-150400.24.81.1 | SUSE-SU-2024:4131-1, SUSE-SU-2023:3313-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4-RT_Update_11 | 1-150400.1.5.1 | SUSE-SU-2023:3318-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4_Update_16 | 1-150400.9.3.3 | SUSE-SU-2023:3313-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4_Update_33 | 1-150400.9.5.1 | SUSE-SU-2024:4131-1 |
| SLE HPC 15 SP4 | kernel-64kb +5 | 5.14.21-150400.24.141.1 | SUSE-SU-2024:4131-1 |
| SLE HPC 15 SP4 | kernel-default-base | 5.14.21-150400.24.141.1.150400.24.68.2 | SUSE-SU-2024:4131-1 |
| SUSE Real Time Module 15 SP5 | kernel-rt +3 | 5.14.21-150500.13.11.1 | SUSE-SU-2024:3985-1, SUSE-SU-2023:3302-1 |
| SUSE Real Time Module 15 SP4 | kernel-rt +3 | 5.14.21-150400.15.46.1 | SUSE-SU-2023:3318-1 |
| SUSE Manager Server 4.3 | kernel-default-base | 5.14.21-150400.24.141.1.150400.24.68.2 | SUSE-SU-2024:4131-1 |
| SUSE Manager Server 4.3 | kernel-syms +3 | 5.14.21-150400.24.141.1 | SUSE-SU-2024:4131-1 |
| SUSE Manager Proxy 4.3 | kernel-default-base | 5.14.21-150400.24.141.1.150400.24.68.2 | SUSE-SU-2024:4131-1 |
| SUSE Manager Proxy 4.3 | kernel-syms +2 | 5.14.21-150400.24.141.1 | SUSE-SU-2024:4131-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.5 | dtb-aarch64 +10 | 5.14.21-150500.55.19.1 | SUSE-SU-2023:3311-1 |
| openSUSE Leap 15.5 | kernel-azure +2 | 5.14.21-150500.33.14.1 | SUSE-SU-2024:3983-1, SUSE-SU-2023:3376-1 |
| openSUSE Leap 15.5 | kernel-default-base | 5.14.21-150500.55.19.1.150500.6.6.4 | SUSE-SU-2023:3311-1 |
| openSUSE Leap 15.5 | kernel-rt +3 | 5.14.21-150500.13.11.1 | SUSE-SU-2024:3985-1, SUSE-SU-2023:3302-1 |
| openSUSE Leap 15.4 | dtb-aarch64 +10 | 5.14.21-150400.24.81.1 | SUSE-SU-2023:3313-1 |
| openSUSE Leap 15.4 | kernel-azure +2 | 5.14.21-150400.14.63.1 | SUSE-SU-2023:3377-1 |
| openSUSE Leap 15.4 | kernel-default-base | 5.14.21-150400.24.81.1.150400.24.35.3 | SUSE-SU-2023:3313-1 |
| openSUSE Leap 15.4 | kernel-rt +3 | 5.14.21-150400.15.46.1 | SUSE-SU-2023:3318-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap Micro 5.5 | kernel-rt | 5.14.21-150500.13.76.1 | SUSE-SU-2024:3985-1 |
| openSUSE Leap Micro 5.4 | kernel-default | 5.14.21-150400.24.81.1 | SUSE-SU-2023:3313-1 |
| openSUSE Leap Micro 5.4 | kernel-default-base | 5.14.21-150400.24.81.1.150400.24.35.3 | SUSE-SU-2023:3313-1 |
| openSUSE Leap Micro 5.4 | kernel-rt | 5.14.21-150400.15.46.1 | SUSE-SU-2023:3318-1 |
| openSUSE Leap Micro 5.3 | kernel-default | 5.14.21-150400.24.81.1 | SUSE-SU-2023:3313-1 |
| openSUSE Leap Micro 5.3 | kernel-default-base | 5.14.21-150400.24.81.1.150400.24.35.3 | SUSE-SU-2023:3313-1 |
| openSUSE Leap Micro 5.3 | kernel-rt | 5.14.21-150400.15.46.1 | SUSE-SU-2023:3318-1 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | kernel | 5.15.111.1-1 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | bpftool | 7.2.0-362.18.0.1.el9_3 | ELSA-2024-12094, ELSA-2024-0461 |
| Oracle Linux 9 | rv +25 | 5.14.0-362.18.0.1.el9_3 | ELSA-2024-12094, ELSA-2024-0461 |
| Oracle Linux 8 | perf +19 | 4.18.0-513.18.0.1.el8_9 | ELSA-2024-12169, ELSA-2024-0897 |
Advisories 30
- ALSA-2024:0897 Important: kernel security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2024:1404 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2024:1382 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2024:1367 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2024:1306 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2024:1250 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2024:0897 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2024:0881 Red Hat Security Advisory: kernel-rt security update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2024:0724 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2024:0461 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2024:0448 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2024:0439 Red Hat Security Advisory: kernel-rt security update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2024:3528 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Aug 7, 2026
- SUSE-SU-2024:3985-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3318-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:4131-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3311-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3313-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:4364-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3376-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3377-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:4082-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3302-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:3983-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2023-1003 Linux Kernel: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 6, 2025
- WID-SEC-2024-1086 IBM QRadar SIEM: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 19, 2025
- ELSA-2024-0461 Important: kernel security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Mar 7, 2024
- ELSA-2024-0897 Important: kernel security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Mar 6, 2024
- ELSA-2024-12169 Important: kernel security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Feb 22, 2024
- ELSA-2024-12094 Important: kernel security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Jan 26, 2024