Medium 5.5Published Aug 17, 2024

CVE-2024-42312sysctl: always initialize i_uid/i_gid

Updated under an hour ago (Oct 27, 2026, 8:50 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: sysctl: always initialize i_uid/i_gid Always initialize i_uid/i_gid inside the sysfs core so set_ownership() can safely skip setting them. Commit 5ec27ec735ba ("fs/proc/proc_sysctl.c: fix the default values of i_uid/i_gid on /proc/sys inodes.") added defaults for i_uid/i_gid when set_ownership() was not implemented. It also missed adjusting net_ctl_set_ownership() to use the same default values in case the computation of a better value failed.

CVSS: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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 14, 2026
First seen by InfoSec Signals: Oct 14, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 5ec27ec735ba0477d48c80561cc5e856f0c5dfaf before b2591c89a6e2858796111138c38fcb6851aa1955; from 5ec27ec735ba0477d48c80561cc5e856f0c5dfaf before 34a86adea1f2b3c3f9d864c8cce09dca644601ab; 5ec27ec735ba0477d48c80561cc5e856f0c5dfaf builds before 1deae34db9f4f8e0e03f891be2e2e15c15c8ac05; from 5ec27ec735ba0477d48c80561cc5e856f0c5dfaf before ffde3af4b29bf97d62d82e1d45275587e10a991a; from 5ec27ec735ba0477d48c80561cc5e856f0c5dfaf before c7e2f43d182f5dde473389dbb39f16c9f0d64536; from 5ec27ec735ba0477d48c80561cc5e856f0c5dfaf before 98ca62ba9e2be5863c7d069f84f7166b45a5b2f4; e83234d7ef237931148b4b17834dadf57eb46c12; 2cbf2af144f0cd08a3361c6299b2e6086b7d21d9; and 8 more ranges	CNA record
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem siemens:simatic_s7_1500_tm_mfp_gnu_linux_subsystem (from the name)	before V1.1.1	CISA ADP
linux linux_kernel linux:linux_kernel	from 4.9.187 before 4.10; from 4.14.135 before 4.15; from 4.19.61 before 4.20; from 5.1.20 before 5.2; from 5.2.3 before 5.10.224; from 5.11 before 5.15.165; from 5.16 before 6.1.104; from 6.2 before 6.6.45; and 1 more ranges	NVD

References

References

https://git.kernel.org/stable/c/b2591c89a6e2858796111138c38fcb6851aa1955	patch
https://git.kernel.org/stable/c/34a86adea1f2b3c3f9d864c8cce09dca644601ab	patch
https://git.kernel.org/stable/c/1deae34db9f4f8e0e03f891be2e2e15c15c8ac05	patch
https://git.kernel.org/stable/c/ffde3af4b29bf97d62d82e1d45275587e10a991a	patch
https://git.kernel.org/stable/c/c7e2f43d182f5dde473389dbb39f16c9f0d64536	patch
https://git.kernel.org/stable/c/98ca62ba9e2be5863c7d069f84f7166b45a5b2f4	patch
https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html
https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
https://cert-portal.siemens.com/productcert/html/ssa-265688.html

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.