High 7.8Published Aug 22, 2025

CVE-2025-38653proc: use the same treatment to check proc_lseek as ones for proc_read_iter et.al

Updated under an hour ago (Oct 26, 2026, 2:00 PM ET)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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.

CVSS: 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Modified
Record last updated: Oct 15, 2026
First seen by InfoSec Signals: Oct 15, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 3f61631d47f115b83c935d0039f95cb68b0c8ab7 before c35b0feb80b48720dfbbf4e33759c7be3faaebb6; from 3f61631d47f115b83c935d0039f95cb68b0c8ab7 before 33c778ea0bd0fa62ff590497e72562ff90f82b13; from 3f61631d47f115b83c935d0039f95cb68b0c8ab7 before fc1072d934f687e1221d685cf1a49a5068318f34; from 3f61631d47f115b83c935d0039f95cb68b0c8ab7 before d136502e04d8853a9aecb335d07bbefd7a1519a8; 3f61631d47f115b83c935d0039f95cb68b0c8ab7 builds before 1fccbfbae1dd36198dc47feac696563244ad81d3; from 3f61631d47f115b83c935d0039f95cb68b0c8ab7 before ff7ec8dc1b646296f8d94c39339e8d3833d16c05	CNA record
linux linux_kernel linux:linux_kernel	from 6.0 before 6.1.148; from 6.2 before 6.6.102; from 6.7 before 6.12.42; from 6.13 before 6.15.10; from 6.16 before 6.16.1	NVD
debian debian_linux debian:debian_linux	11.0	NVD

References

References

https://git.kernel.org/stable/c/c35b0feb80b48720dfbbf4e33759c7be3faaebb6	patch
https://git.kernel.org/stable/c/33c778ea0bd0fa62ff590497e72562ff90f82b13	patch
https://git.kernel.org/stable/c/fc1072d934f687e1221d685cf1a49a5068318f34	patch
https://git.kernel.org/stable/c/d136502e04d8853a9aecb335d07bbefd7a1519a8	patch
https://git.kernel.org/stable/c/1fccbfbae1dd36198dc47feac696563244ad81d3	patch
https://git.kernel.org/stable/c/ff7ec8dc1b646296f8d94c39339e8d3833d16c05	patch
https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.