CVE-2025-38653

HIGH

Linux Kernel 6.0-6.1.147, 6.2-6.6.101, 6.7-6.12.41, 6.13-6.15.9, 6.16 - Use-After-Free in proc_lseek

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: proc: use the same treatment to check proc_lseek as ones for proc_read_iter et.al Check pde->proc_ops->proc_lseek directly may cause UAF in rmmod scenario. It's a gap in proc_reg_open() after commit 654b33ada4ab("proc: fix UAF in proc_get_inode()"). Followed by AI Viro's suggestion, fix it in same manner.

References (7)

Core 7

Scores

CVSS v3 7.8
EPSS 0.0003
EPSS Percentile 7.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-416
Status published
Products (21)
debian/debian_linux 11.0
linux/Kernel 6.0.0 - 6.1.148linux
linux/Kernel 6.13.0 - 6.15.10linux
linux/Kernel 6.16.0 - 6.16.1linux
linux/Kernel 6.2.0 - 6.6.102linux
linux/Kernel 6.7.0 - 6.12.42linux
Linux/Linux < 6.0
Linux/Linux 3f61631d47f115b83c935d0039f95cb68b0c8ab7 - 1fccbfbae1dd36198dc47feac696563244ad81d3
Linux/Linux 3f61631d47f115b83c935d0039f95cb68b0c8ab7 - 33c778ea0bd0fa62ff590497e72562ff90f82b13
Linux/Linux 3f61631d47f115b83c935d0039f95cb68b0c8ab7 - c35b0feb80b48720dfbbf4e33759c7be3faaebb6
... and 11 more
Published Aug 22, 2025
Tracked Since Feb 18, 2026