Description
A use-after-free flaw was found in the Linux kernel’s core dump subsystem. This flaw allows a local user to crash the system. Only if patch 390031c94211 ("coredump: Use the vma snapshot in fill_files_note") not applied yet, then kernel could be affected.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Kernel | Linux kernel 5.18-rc1 | — |
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 | 5.17.3-1 | — |
| Debian 13 | linux | 5.17.3-1 | — |
| Debian 12 | linux | 5.17.3-1 | — |
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 | — |
| Ubuntu 22.04 LTS | linux-aws | 5.15.0-1011.14 | — |
| Ubuntu 22.04 LTS | linux-azure | 5.15.0-1010.12 | — |
| Ubuntu 22.04 LTS | linux-gcp | 5.15.0-1008.12 | — |
| Ubuntu 22.04 LTS | linux-gke | 5.15.0-1008.10 | — |
| Ubuntu 22.04 LTS | linux-ibm | 5.15.0-1007.8 | — |
| Ubuntu 22.04 LTS | linux-intel-iotg | 5.15.0-1008.11 | — |
| Ubuntu 22.04 LTS | linux-kvm | 5.15.0-1010.11 | — |
| Ubuntu 22.04 LTS | linux-oem-5.17 | 5.17.0-1004.4 | — |
| Ubuntu 22.04 LTS | linux-oracle | 5.15.0-1009.12 | — |
| Ubuntu 22.04 LTS | linux-raspi | 5.15.0-1011.13 | — |
| Ubuntu 22.04 LTS | linux-riscv +2 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-azure-5.15 | 5.15.0-1008.9~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-hwe-5.15 | 5.15.0-41.44~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-intel-iotg-5.15 | 5.15.0-1008.11~20.04.1 | — |
| 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-riscv +22 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp +13 | No fix yet | — |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
Show 1 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 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | bpftool | 7.2.0-362.8.1.el9_3 | RHSA-2023:6583 |
| RHEL 9 | rv +64 | 5.14.0-362.8.1.el9_3 | RHSA-2023:6583 |
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 | 5.14.21-150500.33.6.1 | SUSE-SU-2023:2892-1 |
| 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 | 5.14.21-150400.24.69.1 | SUSE-SU-2023:2820-1 |
| SLES 15 SP4 | kernel-azure +2 | 5.14.21-150400.14.55.1 | SUSE-SU-2023:2831-1 |
| SLES 15 SP4 | kernel-default-base | 5.14.21-150400.24.69.1.150400.24.31.1 | SUSE-SU-2023:2820-1 |
| SLES 15 SP3 | kernel-64kb +7 | 5.3.18-150300.59.127.1 | SUSE-SU-2023:2859-1 |
| SLES 15 SP3 | kernel-default-base | 5.3.18-150300.59.127.1.150300.18.74.1 | SUSE-SU-2023:2859-1 |
| SLES 15 SP2 | kernel-default-base | 5.3.18-150200.24.157.1.150200.9.77.1 | SUSE-SU-2023:2834-1 |
| SLES 15 SP2 | kernel-docs +5 | 5.3.18-150200.24.157.1 | SUSE-SU-2023:2834-1 |
| SLES 15 SP1 | kernel-docs +5 | 4.12.14-150100.197.151.1 | SUSE-SU-2023:2830-1 |
Show 28 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP5 | kernel-azure +2 | 4.12.14-16.139.1 | SUSE-SU-2023:2808-1 |
| SLES 12 SP5 | kernel-docs +4 | 4.12.14-122.165.1 | SUSE-SU-2023:2822-1 |
| SLES 12 SP2 | kernel-syms +2 | 4.4.121-92.205.1 | SUSE-SU-2023:2805-1 |
| SLES for SAP 15 SP3 | kernel-default-base | 5.3.18-150300.59.127.1.150300.18.74.1 | SUSE-SU-2023:2859-1 |
| SLES for SAP 15 SP3 | kernel-docs +5 | 5.3.18-150300.59.127.1 | SUSE-SU-2023:2859-1 |
| SLES for SAP 15 SP2 | kernel-default-base | 5.3.18-150200.24.157.1.150200.9.77.1 | SUSE-SU-2023:2834-1 |
| SLES for SAP 15 SP2 | kernel-docs +5 | 5.3.18-150200.24.157.1 | SUSE-SU-2023:2834-1 |
| SLES for SAP 15 SP1 | kernel-docs +4 | 4.12.14-150100.197.151.1 | SUSE-SU-2023:2830-1 |
| SLES for SAP 12 SP5 | kernel-azure +2 | 4.12.14-16.139.1 | SUSE-SU-2023:2808-1 |
| SLES for SAP 12 SP5 | kernel-syms +2 | 4.12.14-122.165.1 | SUSE-SU-2023:2822-1 |
| SLE Real Time 15 SP3 | kernel-default-base | 5.3.18-150300.59.127.1.150300.18.74.1 | SUSE-SU-2023:2859-1 |
| SLE Real Time 15 SP3 | kernel-docs +5 | 5.3.18-150300.59.127.1 | SUSE-SU-2023:2859-1 |
| SLE Real Time 12 SP5 | kernel-rt +3 | 4.12.14-10.130.1 | SUSE-SU-2023:2804-1 |
| SLE Micro 5.4 | kernel-default | 5.14.21-150400.24.69.1 | SUSE-SU-2023:2820-1 |
| SLE Micro 5.4 | kernel-default-base | 5.14.21-150400.24.69.1.150400.24.31.1 | SUSE-SU-2023:2820-1 |
| SLE Micro 5.4 | kernel-rt | 5.14.21-150400.15.37.2 | SUSE-SU-2023:2782-1 |
| SLE Micro 5.3 | kernel-default | 5.14.21-150400.24.69.1 | SUSE-SU-2023:2820-1 |
| SLE Micro 5.3 | kernel-default-base | 5.14.21-150400.24.69.1.150400.24.31.1 | SUSE-SU-2023:2820-1 |
| SLE Micro 5.3 | kernel-rt | 5.14.21-150400.15.37.2 | SUSE-SU-2023:2782-1 |
| SLE Micro 5.2 | kernel-default | 5.3.18-150300.59.127.1 | SUSE-SU-2023:2859-1 |
| SLE Micro 5.2 | kernel-default-base | 5.3.18-150300.59.127.1.150300.18.74.1 | SUSE-SU-2023:2859-1 |
| SLE Micro 5.2 | kernel-rt | 5.3.18-150300.135.1 | SUSE-SU-2023:2810-1 |
| SLE Micro 5.1 | kernel-default | 5.3.18-150300.59.127.1 | SUSE-SU-2023:2859-1 |
| SLE Micro 5.1 | kernel-default-base | 5.3.18-150300.59.127.1.150300.18.74.1 | SUSE-SU-2023:2859-1 |
| SLE Micro 5.1 | kernel-rt | 5.3.18-150300.135.1 | SUSE-SU-2023:2810-1 |
| 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 | 5.14.21-150400.24.69.1 | SUSE-SU-2023:2820-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4-RT_Update_8 | 1-150400.1.9.2 | SUSE-SU-2023:2782-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4_Update_14 | 1-150400.9.3.1 | SUSE-SU-2023:2820-1 |
| SLE Live Patching 15 SP3 | kernel-default | 5.3.18-150300.59.127.1 | SUSE-SU-2023:2859-1 |
| SLE Live Patching 15 SP3 | kernel-livepatch-SLE15-SP3_Update_34 | 1-150300.7.3.1 | SUSE-SU-2023:2859-1 |
| SLE Live Patching 15 SP2 | kernel-default | 5.3.18-150200.24.157.1 | SUSE-SU-2023:2834-1 |
| SLE Live Patching 15 SP2 | kernel-livepatch-SLE15-SP2_Update_38 | 1-150200.5.3.1 | SUSE-SU-2023:2834-1 |
| SLE Live Patching 15 SP1 | kernel-default | 4.12.14-150100.197.151.1 | SUSE-SU-2023:2830-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_42 | 1-150100.3.3.1 | SUSE-SU-2023:2830-1 |
| SLE Live Patching 12 SP5 | kernel-default | 4.12.14-122.165.1 | SUSE-SU-2023:2822-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_45 | 1-8.3.1 | SUSE-SU-2023:2822-1 |
| SLE HPC 15 SP3 | kernel-64kb +6 | 5.3.18-150300.59.127.1 | SUSE-SU-2023:2859-1 |
| SLE HPC 15 SP3 | kernel-default-base | 5.3.18-150300.59.127.1.150300.18.74.1 | SUSE-SU-2023:2859-1 |
| SLE HPC 15 SP2 | kernel-default-base | 5.3.18-150200.24.157.1.150200.9.77.1 | SUSE-SU-2023:2834-1 |
| SLE HPC 15 SP2 | kernel-docs +5 | 5.3.18-150200.24.157.1 | SUSE-SU-2023:2834-1 |
| SLE HPC 15 SP1 | kernel-docs +4 | 4.12.14-150100.197.151.1 | SUSE-SU-2023:2830-1 |
| 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 | 5.14.21-150400.15.37.2 | SUSE-SU-2023:2782-1 |
| SUSE Real Time Module 15 SP4 | kernel-syms-rt +1 | 5.14.21-150400.15.37.1 | SUSE-SU-2023:2782-1 |
| SUSE Real Time Module 15 SP3 | kernel-rt +3 | 5.3.18-150300.135.1 | SUSE-SU-2023:2810-1 |
| SUSE Manager Server 4.2 | kernel-default-base | 5.3.18-150300.59.127.1.150300.18.74.1 | SUSE-SU-2023:2859-1 |
| SUSE Manager Server 4.2 | kernel-source +3 | 5.3.18-150300.59.127.1 | SUSE-SU-2023:2859-1 |
| SUSE Manager Proxy 4.2 | kernel-default-base | 5.3.18-150300.59.127.1.150300.18.74.1 | SUSE-SU-2023:2859-1 |
| SUSE Manager Proxy 4.2 | kernel-source +2 | 5.3.18-150300.59.127.1 | SUSE-SU-2023:2859-1 |
| SUSE Enterprise Storage 7.1 | kernel-64kb +6 | 5.3.18-150300.59.127.1 | SUSE-SU-2023:2859-1 |
| SUSE Enterprise Storage 7.1 | kernel-default-base | 5.3.18-150300.59.127.1.150300.18.74.1 | SUSE-SU-2023:2859-1 |
| SUSE Enterprise Storage 7 | kernel-default-base | 5.3.18-150200.24.157.1.150200.9.77.1 | SUSE-SU-2023:2834-1 |
| SUSE Enterprise Storage 7 | kernel-docs +5 | 5.3.18-150200.24.157.1 | SUSE-SU-2023:2834-1 |
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 | 5.14.21-150500.33.6.1 | SUSE-SU-2023:2892-1 |
| 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 15.5 | kernel-vanilla | 4.12.14-150100.197.151.1 | SUSE-SU-2023:2830-1 |
| openSUSE Leap 15.4 | dtb-aarch64 | 5.3.18-150300.59.127.1 | SUSE-SU-2023:2859-1, SUSE-SU-2023:2820-1 |
| openSUSE Leap 15.4 | kernel-64kb +5 | 5.14.21-150400.24.69.1 | SUSE-SU-2023:2820-1 |
| openSUSE Leap 15.4 | kernel-azure +2 | 5.14.21-150400.14.55.1 | SUSE-SU-2023:2831-1 |
| openSUSE Leap 15.4 | kernel-debug +4 | 4.12.14-150100.197.151.1 | SUSE-SU-2023:2830-1, SUSE-SU-2023:2820-1 |
| openSUSE Leap 15.4 | kernel-default-base | 5.14.21-150400.24.69.1.150400.24.31.1 | SUSE-SU-2023:2820-1 |
| openSUSE Leap 15.4 | kernel-rt +1 | 5.14.21-150400.15.37.2 | SUSE-SU-2023:2782-1 |
| openSUSE Leap 15.4 | kernel-syms-rt +1 | 5.14.21-150400.15.37.1 | SUSE-SU-2023:2782-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap Micro 5.3 | kernel-default | 5.14.21-150400.24.69.1 | SUSE-SU-2023:2820-1 |
| openSUSE Leap Micro 5.3 | kernel-default-base | 5.14.21-150400.24.69.1.150400.24.31.1 | SUSE-SU-2023:2820-1 |
| openSUSE Leap Micro 5.3 | kernel-rt | 5.14.21-150400.15.37.2 | SUSE-SU-2023:2782-1 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | kernel | 5.15.107.1-2 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | bpftool | 7.2.0-362.8.1.el9_3 | ELSA-2023-6583 |
| Oracle Linux 9 | rv +25 | 5.14.0-362.8.1.el9_3 | ELSA-2023-6583 |
Advisories 18
- RHSA-2023:6583 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- SUSE-SU-2023:2804-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:2859-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:2805-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:2831-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:2810-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:2834-1 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-2023:2830-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:2820-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:2782-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:2808-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:2892-1 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-2025-1293 IBM DataPower Gateway: Mehrere Schwachstellen BSI CERT-Bund (WID) · Dec 3, 2025
- SUSE-SU-2023:2822-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- ELSA-2023-6583 Important: kernel security, bug fix, and enhancement update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Nov 12, 2023
- WID-SEC-2023-0738 Linux Kernel: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Nov 7, 2023