# CVE-2023-54128: linux: In the Linux kernel, the following vulnerability has been resolved: fs: drop peer group ids under namespace lock Wh... CVE-2023-54128 is fixed in 20 products on 1 platform, first by ALAS2023-2023-169, released April 27, 2023. It is not reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/cve/CVE-2023-54128 - Priority: High - CVSS: 7.8 (high) - EPSS: 0.0017 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Apr 27, 2023 ## Description In the Linux kernel, the following vulnerability has been resolved: fs: drop peer group ids under namespace lock When cleaning up peer group ids in the failure path we need to make sure to hold on to the namespace lock. Otherwise another thread might just turn the mount from a shared into a non-shared mount concurrently. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | bpftool amzn 2023 | 6.1.25-37.47.amzn2023 | [ALAS2023-2023-169](https://patchblox.com/security/data/fix/linux/alas2023-2023-169.md) | Apr 27, 2023 | | Linux | bpftool-debuginfo amzn 2023 | 6.1.25-37.47.amzn2023 | [ALAS2023-2023-169](https://patchblox.com/security/data/fix/linux/alas2023-2023-169.md) | Apr 27, 2023 | | Linux | kernel amzn 2023 | 6.1.25-37.47.amzn2023 | [ALAS2023-2023-169](https://patchblox.com/security/data/fix/linux/alas2023-2023-169.md) | Apr 27, 2023 | | Linux | kernel-debuginfo amzn 2023 | 6.1.25-37.47.amzn2023 | [ALAS2023-2023-169](https://patchblox.com/security/data/fix/linux/alas2023-2023-169.md) | Apr 27, 2023 | | Linux | kernel-debuginfo-common-aarch64 amzn 2023 | 6.1.25-37.47.amzn2023 | [ALAS2023-2023-169](https://patchblox.com/security/data/fix/linux/alas2023-2023-169.md) | Apr 27, 2023 | | Linux | kernel-debuginfo-common-x86_64 amzn 2023 | 6.1.25-37.47.amzn2023 | [ALAS2023-2023-169](https://patchblox.com/security/data/fix/linux/alas2023-2023-169.md) | Apr 27, 2023 | | Linux | kernel-devel amzn 2023 | 6.1.25-37.47.amzn2023 | [ALAS2023-2023-169](https://patchblox.com/security/data/fix/linux/alas2023-2023-169.md) | Apr 27, 2023 | | Linux | kernel-headers amzn 2023 | 6.1.25-37.47.amzn2023 | [ALAS2023-2023-169](https://patchblox.com/security/data/fix/linux/alas2023-2023-169.md) | Apr 27, 2023 | | Linux | kernel-libbpf amzn 2023 | 6.1.25-37.47.amzn2023 | [ALAS2023-2023-169](https://patchblox.com/security/data/fix/linux/alas2023-2023-169.md) | Apr 27, 2023 | | Linux | kernel-libbpf-devel amzn 2023 | 6.1.25-37.47.amzn2023 | [ALAS2023-2023-169](https://patchblox.com/security/data/fix/linux/alas2023-2023-169.md) | Apr 27, 2023 | | Linux | kernel-libbpf-static amzn 2023 | 6.1.25-37.47.amzn2023 | [ALAS2023-2023-169](https://patchblox.com/security/data/fix/linux/alas2023-2023-169.md) | Apr 27, 2023 | | Linux | kernel-livepatch-6.1.25-37.47 amzn 2023 | 1.0-0.amzn2023 | [ALAS2023-2023-169](https://patchblox.com/security/data/fix/linux/alas2023-2023-169.md) | Apr 27, 2023 | | Linux | kernel-tools amzn 2023 | 6.1.25-37.47.amzn2023 | [ALAS2023-2023-169](https://patchblox.com/security/data/fix/linux/alas2023-2023-169.md) | Apr 27, 2023 | | Linux | kernel-tools-debuginfo amzn 2023 | 6.1.25-37.47.amzn2023 | [ALAS2023-2023-169](https://patchblox.com/security/data/fix/linux/alas2023-2023-169.md) | Apr 27, 2023 | | Linux | kernel-tools-devel amzn 2023 | 6.1.25-37.47.amzn2023 | [ALAS2023-2023-169](https://patchblox.com/security/data/fix/linux/alas2023-2023-169.md) | Apr 27, 2023 | | Linux | linux Debian 12.15 (bookworm) | 6.1.25-1 | [DEBIAN-CVE-2023-54128](https://patchblox.com/security/data/fix/linux/debian-cve-2023-54128.md) | Dec 24, 2025 | | Linux | linux Debian 13.5 (trixie) | 6.1.25-1 | [DEBIAN-CVE-2023-54128](https://patchblox.com/security/data/fix/linux/debian-cve-2023-54128.md) | Dec 24, 2025 | | Linux | linux Debian 14 | 6.1.25-1 | [DEBIAN-CVE-2023-54128](https://patchblox.com/security/data/fix/linux/debian-cve-2023-54128.md) | Dec 24, 2025 | | Linux | perf amzn 2023 | 6.1.25-37.47.amzn2023 | [ALAS2023-2023-169](https://patchblox.com/security/data/fix/linux/alas2023-2023-169.md) | Apr 27, 2023 | | Linux | perf-debuginfo amzn 2023 | 6.1.25-37.47.amzn2023 | [ALAS2023-2023-169](https://patchblox.com/security/data/fix/linux/alas2023-2023-169.md) | Apr 27, 2023 | | Linux | python3-perf amzn 2023 | 6.1.25-37.47.amzn2023 | [ALAS2023-2023-169](https://patchblox.com/security/data/fix/linux/alas2023-2023-169.md) | Apr 27, 2023 | | Linux | python3-perf-debuginfo amzn 2023 | 6.1.25-37.47.amzn2023 | [ALAS2023-2023-169](https://patchblox.com/security/data/fix/linux/alas2023-2023-169.md) | Apr 27, 2023 | --- Data as of 2026-11-09T01:18:40Z UTC. 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