5.5

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

Modified
AliasesUBUNTU-CVE-2024-42312DEBIAN-CVE-2024-42312
Published 17-08-2024Last modified 15-10-2026

Vulnerability summary

CVE-2024-42312 is a medium (CVSS 5.5) Use of Uninitialized Resource vulnerability in linux. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 12.3% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.22%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 26 · Related 21
DLA-3912-1DLA-4008-1MGASA-2024-0309MGASA-2024-0310RHSA-2025:6966SUSE-SU-2024:3189-1

Timeline

  1. 17-08-2024
    PublishedVulnerability first disclosed.
  2. 15-10-2026
    Last modifiedVulnerability information updated.

Description

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 metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.22%

Chance of exploitation in the next 30 days

Percentile

12%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.22% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu128 products
  • linuxAll versions (No fix recorded) | < 5.15.0-125.135 | < 6.8.0-50.51
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1072.78 | < 6.8.0-1020.22
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 5ec27ec735ba0477d48c80561cc5e856f0c5dfaf, < b2591c89a6e2858796111138c38fcb6851aa1955 | ≥ 5ec27ec735ba0477d48c80561cc5e856f0c5dfaf, < 34a86adea1f2b3c3f9d864c8cce09dca644601ab | ≥ 5ec27ec735ba0477d48c80561cc5e856f0c5dfaf, < 1deae34db9f4f8e0e03f891be2e2e15c15c8ac05 | ≥ 5ec27ec735ba0477d48c80561cc5e856f0c5dfaf, < ffde3af4b29bf97d62d82e1d45275587e10a991a | ≥ 5ec27ec735ba0477d48c80561cc5e856f0c5dfaf, < c7e2f43d182f5dde473389dbb39f16c9f0d64536 | ≥ 5ec27ec735ba0477d48c80561cc5e856f0c5dfaf, < 98ca62ba9e2be5863c7d069f84f7166b45a5b2f4 | e83234d7ef237931148b4b17834dadf57eb46c12 | 2cbf2af144f0cd08a3361c6299b2e6086b7d21d9 | 2c7b50c7b1d036f71acd9a917a8cb0f9b6e43dab | 7eb45a94c279dd5af4cafaa738ae93737517eef4 | 14cc90952cef94bfa89a6b4a2f55fd9a70f50a16 | ≥ 4.9.187, < 4.10 | ≥ 4.14.135, < 4.15 | ≥ 4.19.61, < 4.20 | ≥ 5.1.20, < 5.2 | ≥ 5.2.3, < 5.3 | 5.3
  • linux_kernel≥ 4.9.187, < 4.10 | ≥ 4.14.135, < 4.15 | ≥ 4.19.61, < 4.20 | ≥ 5.1.20, < 5.2 | ≥ 5.2.3, < 5.10.224 | ≥ 5.11, < 5.15.165 | ≥ 5.16, < 6.1.104 | ≥ 6.2, < 6.6.45 | ≥ 6.7, < 6.10.3
Debian1 product
  • linux< 6.1.106-1 | < 6.10.3-1

3 vendors · 131 products

References

23 links
Show all 23 references