CVE-2023-54128

Linux Kernel 5.12-5.15.107, 5.16-6.1.24, 6.2-6.2.11 - Use-After-Free in Peer Group ID Cleanup

Title source: llm

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.

References (4)

Core 4

Core References

Patch

https://git.kernel.org/stable/c/0af8fae81d8b7f1beddc17c5d4cfa43235134648

Patch

https://git.kernel.org/stable/c/ddca03d97daa7b07b60c52e3d3060762732c6666

Patch

https://git.kernel.org/stable/c/65c324d3f35c05e37afec39ac80743583fdcc96c

Patch

https://git.kernel.org/stable/c/cb2239c198ad9fbd5aced22cf93e45562da781eb

Scores

EPSS 0.0018

EPSS Percentile 8.1%

Details

Status published

Products (13)

linux/Kernel 5.12.0 - 5.15.107linux

linux/Kernel 5.16.0 - 6.1.24linux

linux/Kernel 6.2.0 - 6.2.11linux

Linux/Linux < 5.12

Linux/Linux 2a1867219c7b27f928e2545782b86daaf9ad50bd - 0af8fae81d8b7f1beddc17c5d4cfa43235134648

Linux/Linux 2a1867219c7b27f928e2545782b86daaf9ad50bd - 65c324d3f35c05e37afec39ac80743583fdcc96c

Linux/Linux 2a1867219c7b27f928e2545782b86daaf9ad50bd - cb2239c198ad9fbd5aced22cf93e45562da781eb

Linux/Linux 2a1867219c7b27f928e2545782b86daaf9ad50bd - ddca03d97daa7b07b60c52e3d3060762732c6666

Linux/Linux 5.12

Linux/Linux 5.15.107 - 5.15.*

... and 3 more

Published Dec 24, 2025

Tracked Since Feb 18, 2026