Description
A use-after-free vulnerability was found in __nfs42_ssc_open() in fs/nfs/nfs4file.c in the Linux kernel. This flaw allows an attacker to conduct a remote denial
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Linux kernel | Linux kernel through v6.1-rc8 | — |
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 | — |
| Debian 10 | linux-5.10 | 5.10.178-3~deb10u1 | DLA-3404-1 |
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 | USN-5912-1 |
| Ubuntu 22.04 LTS | linux-aws | 5.15.0-1031.35 | USN-5912-1 |
| Ubuntu 22.04 LTS | linux-azure | 5.15.0-1034.41 | USN-5912-1 |
| Ubuntu 22.04 LTS | linux-azure-5.19 | 5.19.0-1021.22~22.04.1 | — |
| Ubuntu 22.04 LTS | linux-azure-fde | 5.15.0-1034.41.1 | USN-5912-1 |
| Ubuntu 22.04 LTS | linux-gcp | 5.15.0-1030.37 | USN-5912-1 |
| Ubuntu 22.04 LTS | linux-gke | 5.15.0-1028.33 | USN-5912-1 |
| Ubuntu 22.04 LTS | linux-gkeop | 5.15.0-1016.21 | USN-5938-1 |
| Ubuntu 22.04 LTS | linux-hwe-5.19 | 5.19.0-35.36~22.04.1 | USN-5911-1 |
| Ubuntu 22.04 LTS | linux-ibm | 5.15.0-1026.29 | USN-5935-1 |
| Ubuntu 22.04 LTS | linux-intel-iotg | 5.15.0-1026.31 | USN-5962-1 |
| Ubuntu 22.04 LTS | linux-kvm | 5.15.0-1029.34 | USN-5941-1 |
| Ubuntu 22.04 LTS | linux-lowlatency-hwe-5.19 | 5.19.0-1018.19~22.04.1 | — |
| Ubuntu 22.04 LTS | linux-nvidia | 5.15.0-1023.23 | — |
| Ubuntu 22.04 LTS | linux-oem-5.17 | 5.17.0-1028.29 | USN-5913-1 |
| Ubuntu 22.04 LTS | linux-oem-6.0 | 6.0.0-1012.12 | USN-5914-1 |
| Ubuntu 22.04 LTS | linux-oem-6.1 | 6.1.0-1007.7 | USN-5915-1 |
| Ubuntu 22.04 LTS | linux-oracle | 5.15.0-1030.36 | USN-5912-1 |
| Ubuntu 22.04 LTS | linux-raspi | 5.15.0-1025.27 | USN-5935-1 |
| Ubuntu 22.04 LTS | linux-riscv +6 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-aws-5.15 | 5.15.0-1031.35~20.04.1 | USN-5912-1 |
| Ubuntu 20.04 LTS | linux-azure-5.15 | 5.15.0-1034.41~20.04.1 | USN-5912-1 |
| Ubuntu 20.04 LTS | linux-azure-fde-5.15 | 5.15.0-1034.41~20.04.1.2 | — |
| Ubuntu 20.04 LTS | linux-gcp-5.15 | 5.15.0-1030.37~20.04.1 | USN-5912-1 |
| Ubuntu 20.04 LTS | linux-gke-5.15 | 5.15.0-1028.33~20.04.1 | USN-5912-1 |
| 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 | USN-5912-1 |
| Ubuntu 20.04 LTS | linux-intel-iotg-5.15 | 5.15.0-1026.31~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-oem-5.14 | 5.14.0-1058.66 | USN-5913-1 |
| Ubuntu 20.04 LTS | linux-oracle-5.15 | 5.15.0-1030.36~20.04.1 | USN-5912-1 |
| Ubuntu 20.04 LTS | linux-riscv +22 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-riscv-5.15 | 5.15.0-1030.34~20.04.1 | — |
| Ubuntu 18.04 LTS | linux-gcp +13 | No fix yet | — |
Show 2 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 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | kernel-rt +12 | 5.14.0-162.18.1.rt21.181.el9_1 | RHSA-2023:0979 |
| RHEL 9 | kpatch-patch-5_14_0-162_12_1 | 1-1.el9_1 | RHSA-2023:1008 |
| RHEL 9 | kpatch-patch-5_14_0-162_6_1 | 1-2.el9_1 | RHSA-2023:1008 |
| RHEL 9 | perf +29 | 5.14.0-162.18.1.el9_1 | RHSA-2023:0951 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9.0 EUS | kernel-rt +12 | 5.14.0-70.49.1.rt21.120.el9_0 | RHSA-2023:1203 |
| RHEL 9.0 EUS | kpatch-patch-5_14_0-70_22_1 | 1-6.el9_0 | RHSA-2023:1435 |
| RHEL 9.0 EUS | kpatch-patch-5_14_0-70_26_1 | 1-5.el9_0 | RHSA-2023:1435 |
| RHEL 9.0 EUS | kpatch-patch-5_14_0-70_30_1 | 1-3.el9_0 | RHSA-2023:1435 |
| RHEL 9.0 EUS | kpatch-patch-5_14_0-70_36_1 | 1-2.el9_0 | RHSA-2023:1435 |
| RHEL 9.0 EUS | kpatch-patch-5_14_0-70_43_1 | 1-1.el9_0 | RHSA-2023:1435 |
| RHEL 9.0 EUS | perf +29 | 5.14.0-70.49.1.el9_0 | RHSA-2023:1202 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | kernel-rt +11 | 5.14.0-162.18.1.rt21.181.el9_1 | ALSA-2023:0979 |
| AlmaLinux 9 | perf +26 | 5.14.0-162.18.1.el9_1 | ALSA-2023:0951 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 9 | kernel | 5.14.0-162.18.1.el9_1.cloud | RXSA-2023:0951 |
| Rocky Linux 9 | kernel-rt | 5.14.0-162.18.1.rt21.181.el9_1 | RLSA-2023:0979 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP4 | kernel-64kb +6 | 5.14.21-150400.24.41.1 | SUSE-SU-2023:0149-1 |
| SLES 15 SP4 | kernel-azure +2 | 5.14.21-150400.14.31.1 | SUSE-SU-2023:0146-1 |
| SLES 15 SP4 | kernel-default-base | 5.14.21-150400.24.41.1.150400.24.15.1 | SUSE-SU-2023:0149-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLE Micro 5.3 | kernel-default | 5.14.21-150400.24.41.1 | SUSE-SU-2023:0149-1 |
| SLE Micro 5.3 | kernel-default-base | 5.14.21-150400.24.41.1.150400.24.15.1 | SUSE-SU-2023:0149-1 |
| SLE Micro 5.3 | kernel-rt | 5.14.21-150400.15.8.1 | SUSE-SU-2023:0147-1 |
| SLE Live Patching 15 SP4 | kernel-default | 5.14.21-150400.24.41.1 | SUSE-SU-2023:0149-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4-RT_Update_2 | 1-150400.1.3.1 | SUSE-SU-2023:0147-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4_Update_0 | 10-150400.4.2 | SUSE-SU-2023:0270-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4_Update_1 +1 | 7-150400.2.1 | SUSE-SU-2023:0277-1, SUSE-SU-2023:0270-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4_Update_3 | 6-150400.2.1 | SUSE-SU-2023:0331-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4_Update_4 | 4-150400.2.1 | SUSE-SU-2023:0270-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4_Update_5 | 3-150400.2.1 | SUSE-SU-2023:0280-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4_Update_6 +1 | 2-150400.2.1 | SUSE-SU-2023:0320-1, SUSE-SU-2023:0273-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4_Update_7 | 1-150400.9.3.1 | SUSE-SU-2023:0149-1 |
| SUSE Real Time Module 15 SP4 | kernel-rt +3 | 5.14.21-150400.15.8.1 | SUSE-SU-2023:0147-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | kernel-source | 6.1.0-1.1 | openSUSE-SU-2024:13704-1, openSUSE-SU-2024:12579-1 |
| openSUSE Leap 15.4 | dtb-aarch64 +10 | 5.14.21-150400.24.41.1 | SUSE-SU-2023:0149-1 |
| openSUSE Leap 15.4 | kernel-azure +2 | 5.14.21-150400.14.31.1 | SUSE-SU-2023:0146-1 |
| openSUSE Leap 15.4 | kernel-default-base | 5.14.21-150400.24.41.1.150400.24.15.1 | SUSE-SU-2023:0149-1 |
| openSUSE Leap 15.4 | kernel-rt +3 | 5.14.21-150400.15.8.1 | SUSE-SU-2023:0147-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap Micro 5.3 | kernel-default | 5.14.21-150400.24.41.1 | SUSE-SU-2023:0149-1 |
| openSUSE Leap Micro 5.3 | kernel-default-base | 5.14.21-150400.24.41.1.150400.24.15.1 | SUSE-SU-2023:0149-1 |
| openSUSE Leap Micro 5.3 | kernel-rt | 5.14.21-150400.15.8.1 | SUSE-SU-2023:0147-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | kernel-livepatch-6.1.10-15.42 | 1.0-0.amzn2023 | ALAS2023-2023-070 |
| Amazon Linux 2023 | perf +12 | 6.1.10-15.42.amzn2023 | ALAS2023-2023-070 |
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 | perf +21 | 5.14.0-162.18.1.el9_1 | ELSA-2023-0951 |
Advisories 34
- ALSA-2023:0951 Important: kernel security and bug fix update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2023:0979 Important: kernel-rt security and bug fix update AlmaLinux Security Advisories · Oct 29, 2026
- USN-5935-1 linux-ibm, linux-raspi vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-5938-1 linux-gkeop vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-5941-1 linux-kvm vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-5962-1 linux-intel-iotg vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-5911-1 linux, linux-aws, linux-azure, linux-gcp, linux-hwe-5.19, linux-ibm, linux-lowlatency, linux-oracle vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-5912-1 linux, linux-aws, linux-aws-5.15, linux-azure, linux-azure-5.15, linux-azure-fde, linux-gcp, linux-gcp-5.15, linux-gke, linux-gke-5.15, linux-hwe-5.15, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-oracle, linux-oracle-5.15 vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-5915-1 linux-oem-6.1 vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-5914-1 linux-oem-6.0 vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-5913-1 linux-oem-5.14, linux-oem-5.17 vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
- RHSA-2023:0951 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Aug 26, 2026
- RHSA-2023:1435 Red Hat Security Advisory: kpatch-patch security update Red Hat Security Advisories (RHSA) · Aug 26, 2026
- RHSA-2023:1203 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Aug 26, 2026
- RHSA-2023:1202 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Aug 26, 2026
- RHSA-2023:1008 Red Hat Security Advisory: kpatch-patch security update Red Hat Security Advisories (RHSA) · Aug 26, 2026
- RHSA-2023:0979 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Aug 26, 2026
- DLA-3404-1 linux-5.10 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- RXSA-2023:0951 Important: kernel security and bug fix update Rocky Linux Security Advisories · Feb 5, 2026
- RLSA-2023:0979 Important: kernel-rt security and bug fix update Rocky Linux Security Advisories · Feb 5, 2026
- SUSE-SU-2023:0280-1 Security update for the Linux Kernel (Live Patch 5 for SLE 15 SP4) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0270-1 Security update for the Linux Kernel (Live Patch 2 for SLE 15 SP4) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0273-1 Security update for the Linux Kernel (Live Patch 6 for SLE 15 SP4) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0320-1 Security update for the Linux Kernel RT (Live Patch 1 for SLE 15 SP4) SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:12579-1 kernel-devel-6.1.0-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0146-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:13704-1 kernel-devel-longterm-6.6.17-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0149-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0331-1 Security update for the Linux Kernel (Live Patch 3 for SLE 15 SP4) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0147-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0277-1 Security update for the Linux Kernel (Live Patch 1 for SLE 15 SP4) SUSE / openSUSE Security Updates · May 2, 2025
- ALAS2023-2023-070 Important: kernel security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Apr 10, 2024
- WID-SEC-2022-2324 Linux Kernel: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Jun 6, 2023
- ELSA-2023-0951 Important: kernel security and bug fix update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Mar 1, 2023
References
- https://seclists.org/oss-sec/2022/q4/185
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=aeba12b26c79fc35e07e511f692a8907037d95da
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=75333d48f92256a0dec91dbf07835e804fc411c0
- FEDORA-2023-f4f9182dc8 vendor-advisory
- FEDORA-2023-3fd7349f60 vendor-advisory
- https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html