Description
In the Linux kernel, the following vulnerability has been resolved:
NFSv4/pnfs: Fix a use-after-free bug in open
If someone cancels the open RPC call, then we must not try to free
either the open slot or the layoutget operation arguments, since they
are likely still in use by the hung RPC call.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Linux | Linux | 4.19.247 – < 4.19.256, 5.4.198 – < 5.4.211, 5.10.122 – < 5.10.138, 5.15.47 – < 5.15.63, 5.17.15 – < 5.18, 5.18.4 – < 5.19, 5.19 | 4.19.256 |
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 | 6.0.2-1 | — |
| Debian 13 | linux | 6.0.2-1 | — |
| Debian 12 | linux | 6.0.2-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-riscv +2 | No fix yet | — |
| Ubuntu 22.04 LTS | linux +1 | 5.15.0-53.59 | — |
| Ubuntu 22.04 LTS | linux-aws | 5.15.0-1023.27 | — |
| Ubuntu 22.04 LTS | linux-azure | 5.15.0-1023.29 | — |
| Ubuntu 22.04 LTS | linux-azure-fde | 5.15.0-1024.30.1 | — |
| Ubuntu 22.04 LTS | linux-gcp | 5.15.0-1022.29 | — |
| Ubuntu 22.04 LTS | linux-gke | 5.15.0-1020.25 | — |
| Ubuntu 22.04 LTS | linux-gkeop | 5.15.0-1008.12 | — |
| Ubuntu 22.04 LTS | linux-ibm | 5.15.0-1018.21 | — |
| Ubuntu 22.04 LTS | linux-intel-iotg | 5.15.0-1018.23 | — |
| Ubuntu 22.04 LTS | linux-kvm | 5.15.0-1021.26 | — |
| Ubuntu 22.04 LTS | linux-nvidia | 5.15.0-1015.15 | — |
| Ubuntu 22.04 LTS | linux-oracle | 5.15.0-1022.28 | — |
| Ubuntu 22.04 LTS | linux-raspi | 5.15.0-1018.20 | — |
| Ubuntu 22.04 LTS | linux-riscv +32 | No fix yet | — |
| Ubuntu 20.04 LTS | linux | 5.4.0-132.148 | — |
| Ubuntu 20.04 LTS | linux-aws | 5.4.0-1089.97 | — |
| Ubuntu 20.04 LTS | linux-aws-5.15 +1 | 5.15.0-1023.27~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-azure | 5.4.0-1095.101 | — |
| Ubuntu 20.04 LTS | linux-azure-5.15 | 5.15.0-1023.29~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-bluefield | 5.4.0-1050.56 | — |
| Ubuntu 20.04 LTS | linux-gcp | 5.4.0-1093.102 | — |
| Ubuntu 20.04 LTS | linux-gcp-5.15 | 5.15.0-1022.29~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-gke +28 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-hwe-5.15 +1 | 5.15.0-53.59~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-ibm | 5.4.0-1037.42 | — |
| Ubuntu 20.04 LTS | linux-intel-iotg-5.15 | 5.15.0-1018.23~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-iot | 5.4.0-1006.8 | — |
| Ubuntu 20.04 LTS | linux-kvm | 5.4.0-1079.85 | — |
| Ubuntu 20.04 LTS | linux-oracle | 5.4.0-1087.96 | — |
| Ubuntu 20.04 LTS | linux-oracle-5.15 | 5.15.0-1022.28~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-raspi | 5.4.0-1074.85 | — |
| Ubuntu 18.04 LTS | linux-aws-5.4 | 5.4.0-1089.97~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-azure-5.4 | 5.4.0-1095.101~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-gcp +14 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp-5.4 | 5.4.0-1093.102~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-hwe-5.4 | 5.4.0-132.148~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-ibm-5.4 | 5.4.0-1037.42~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-oracle-5.4 | 5.4.0-1087.96~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-raspi-5.4 | 5.4.0-1074.85~18.04.1 | — |
| 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 Realtime 22.04 LTS | linux-realtime | 5.15.0-1025.28 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-aws-fips | 5.4.0-1089.97+fips1 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-azure-fips | 5.4.0-1095.101+fips1 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-fips | 5.4.0-1065.74 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-gcp-fips | 5.4.0-1093.102+fips1 | — |
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 |
| RHEL 8 | perf +26 | 4.18.0-553.22.1.el8_10 | RHSA-2024:7000 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP5 | kernel-64kb +6 | 5.14.21-150500.55.113.1 | SUSE-SU-2025:02264-1 |
| SLES 15 SP5 | kernel-default-base | 5.14.21-150500.55.113.1.150500.6.53.1 | SUSE-SU-2025:02264-1 |
| SLES 15 SP4 | kernel-64kb +3 | 5.14.21-150400.24.170.2 | SUSE-SU-2025:02537-1 |
| SLES 15 SP4 | kernel-default-base | 5.14.21-150400.24.170.2.150400.24.86.2 | SUSE-SU-2025:02537-1 |
| SLES 15 SP4 | kernel-docs +2 | 5.14.21-150400.24.170.1 | SUSE-SU-2025:02537-1 |
| SLES 15 SP3 | kernel-64kb +6 | 5.3.18-150300.59.211.1 | SUSE-SU-2025:02308-1 |
| SLES 15 SP3 | kernel-default-base | 5.3.18-150300.59.211.1.150300.18.126.1 | SUSE-SU-2025:02308-1 |
| SLES 15 SP3 | kernel-obs-build | 5.3.18-150300.59.212.1 | SUSE-SU-2025:02308-1 |
Show 15 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP5 | kernel-default-base | 5.14.21-150500.55.113.1.150500.6.53.1 | SUSE-SU-2025:02264-1 |
| SLES for SAP 15 SP5 | kernel-docs +4 | 5.14.21-150500.55.113.1 | SUSE-SU-2025:02264-1 |
| SLES for SAP 15 SP4 | kernel-default +1 | 5.14.21-150400.24.170.2 | SUSE-SU-2025:02537-1 |
| SLES for SAP 15 SP4 | kernel-default-base | 5.14.21-150400.24.170.2.150400.24.86.2 | SUSE-SU-2025:02537-1 |
| SLES for SAP 15 SP4 | kernel-docs +2 | 5.14.21-150400.24.170.1 | SUSE-SU-2025:02537-1 |
| SLES for SAP 15 SP3 | kernel-default-base | 5.3.18-150300.59.211.1.150300.18.126.1 | SUSE-SU-2025:02308-1 |
| SLES for SAP 15 SP3 | kernel-docs +4 | 5.3.18-150300.59.211.1 | SUSE-SU-2025:02308-1 |
| SLES for SAP 15 SP3 | kernel-obs-build | 5.3.18-150300.59.212.1 | SUSE-SU-2025:02308-1 |
| SLE Micro 5.5 | kernel-default-base | 5.14.21-150500.55.113.1.150500.6.53.1 | SUSE-SU-2025:02264-1 |
| SLE Micro 5.5 | kernel-rt | 5.14.21-150500.13.100.2 | SUSE-SU-2025:02321-1 |
| SLE Micro 5.5 | kernel-source +1 | 5.14.21-150500.55.113.1 | SUSE-SU-2025:02264-1 |
| SLE Micro 5.5 | kernel-source-rt | 5.14.21-150500.13.100.1 | SUSE-SU-2025:02321-1 |
| SLE Micro 5.4 | kernel-default | 5.14.21-150400.24.170.2 | SUSE-SU-2025:02537-1 |
| SLE Micro 5.4 | kernel-default-base | 5.14.21-150400.24.170.2.150400.24.86.2 | SUSE-SU-2025:02537-1 |
| SLE Micro 5.4 | kernel-rt +1 | 5.14.21-150400.15.124.1 | SUSE-SU-2025:02322-1 |
| SLE Micro 5.3 | kernel-default | 5.14.21-150400.24.170.2 | SUSE-SU-2025:02537-1 |
| SLE Micro 5.3 | kernel-default-base | 5.14.21-150400.24.170.2.150400.24.86.2 | SUSE-SU-2025:02537-1 |
| SLE Micro 5.3 | kernel-rt +1 | 5.14.21-150400.15.124.1 | SUSE-SU-2025:02322-1 |
| SLE Micro 5.2 | kernel-default | 5.3.18-150300.59.211.1 | SUSE-SU-2025:02308-1 |
| SLE Micro 5.2 | kernel-default-base | 5.3.18-150300.59.211.1.150300.18.126.1 | SUSE-SU-2025:02308-1 |
| SLE Micro 5.2 | kernel-rt +1 | 5.3.18-150300.214.1 | SUSE-SU-2025:02320-1 |
| SLE Micro 5.1 | kernel-default | 5.3.18-150300.59.211.1 | SUSE-SU-2025:02308-1 |
| SLE Micro 5.1 | kernel-default-base | 5.3.18-150300.59.211.1.150300.18.126.1 | SUSE-SU-2025:02308-1 |
| SLE Micro 5.1 | kernel-rt +1 | 5.3.18-150300.214.1 | SUSE-SU-2025:02320-1 |
| SLE Live Patching 15 SP5 | kernel-default | 5.14.21-150500.55.113.1 | SUSE-SU-2025:02264-1 |
| SLE Live Patching 15 SP5 | kernel-livepatch-SLE15-SP5_Update_28 | 1-150500.11.3.1 | SUSE-SU-2025:02264-1 |
| SLE Live Patching 15 SP3 | kernel-default | 5.3.18-150300.59.211.1 | SUSE-SU-2025:02308-1 |
| SLE Live Patching 15 SP3 | kernel-livepatch-SLE15-SP3_Update_59 | 1-150300.7.3.1 | SUSE-SU-2025:02308-1 |
| SLE HPC 15 SP5 | kernel-64kb +5 | 5.14.21-150500.55.113.1 | SUSE-SU-2025:02264-1 |
| SLE HPC 15 SP5 | kernel-default-base | 5.14.21-150500.55.113.1.150500.6.53.1 | SUSE-SU-2025:02264-1 |
| SLE HPC 15 SP4 | kernel-64kb +2 | 5.14.21-150400.24.170.2 | SUSE-SU-2025:02537-1 |
| SLE HPC 15 SP4 | kernel-default-base | 5.14.21-150400.24.170.2.150400.24.86.2 | SUSE-SU-2025:02537-1 |
| SLE HPC 15 SP4 | kernel-docs +2 | 5.14.21-150400.24.170.1 | SUSE-SU-2025:02537-1 |
| SUSE Manager Server 4.3 | kernel-default +1 | 5.14.21-150400.24.170.2 | SUSE-SU-2025:02537-1 |
| SUSE Manager Server 4.3 | kernel-default-base | 5.14.21-150400.24.170.2.150400.24.86.2 | SUSE-SU-2025:02537-1 |
| SUSE Manager Server 4.3 | kernel-syms +1 | 5.14.21-150400.24.170.1 | SUSE-SU-2025:02537-1 |
| SUSE Manager Proxy 4.3 | kernel-default | 5.14.21-150400.24.170.2 | SUSE-SU-2025:02537-1 |
| SUSE Manager Proxy 4.3 | kernel-default-base | 5.14.21-150400.24.170.2.150400.24.86.2 | SUSE-SU-2025:02537-1 |
| SUSE Manager Proxy 4.3 | kernel-syms +1 | 5.14.21-150400.24.170.1 | SUSE-SU-2025:02537-1 |
| SUSE Enterprise Storage 7.1 | kernel-64kb +5 | 5.3.18-150300.59.211.1 | SUSE-SU-2025:02308-1 |
| SUSE Enterprise Storage 7.1 | kernel-default-base | 5.3.18-150300.59.211.1.150300.18.126.1 | SUSE-SU-2025:02308-1 |
| SUSE Enterprise Storage 7.1 | kernel-obs-build | 5.3.18-150300.59.212.1 | SUSE-SU-2025:02308-1 |
Advisories 9
- WID-SEC-2025-1350 Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service BSI CERT-Bund (WID) · Nov 12, 2026
- RHSA-2024:7000 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2023:6583 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- SUSE-SU-2025:02320-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:02321-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:02322-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:02537-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 5, 2026
- SUSE-SU-2025:02264-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2025:02308-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Jul 15, 2025
References
- https://git.kernel.org/stable/c/0fffb46ff3d5ed4668aca96441ec7a25b793bd6f
- https://git.kernel.org/stable/c/f7ee3b772d9de87387a725caa04bc041ac7fe5ec
- https://git.kernel.org/stable/c/76ffd2042438769298f34b76102b40dea89de616
- https://git.kernel.org/stable/c/a4cf3dadd1fa43609f7c6570c9116b0e0a9923d1
- https://git.kernel.org/stable/c/b03d1117e9be7c7da60e466eaf9beed85c5916c8
- https://git.kernel.org/stable/c/2135e5d56278ffdb1c2e6d325dc6b87f669b9dac