5.3

CVE-2022-48638: cgroup: cgroup_get_from_id() must check the looked-up kn is a directory

Analyzed
AliasesUBUNTU-CVE-2022-48638DEBIAN-CVE-2022-48638
Published 28-04-2024Last modified 11-05-2026

Vulnerability summary

CVE-2022-48638 is a medium (CVSS 5.3) vulnerability in linux. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 13.5% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.3, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.23%
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 9 · Related 7
RHSA-2024:6993RHSA-2024:6998SUSE-SU-2024:1641-1SUSE-SU-2024:1642-1SUSE-SU-2024:1644-1SUSE-SU-2024:1645-1

Timeline

  1. 28-04-2024
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: cgroup: cgroup_get_from_id() must check the looked-up kn is a directory cgroup has to be one kernfs dir, otherwise kernel panic is caused, especially cgroup id is provide from userspace.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.23%

Chance of exploitation in the next 30 days

Percentile

14%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.23% 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

No weakness data has been published for this record.

Affected systems

Version check

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

Ubuntu85 products
  • linux< 5.15.0-57.63
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 5.15.0-1027.31
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 6b658c4863c15936872a93c9ee879043bf6393c9, < 8484a356cee8ce3d6a8e6266ff99be326e9273ad | ≥ 6b658c4863c15936872a93c9ee879043bf6393c9, < 1e9571887f97b17cf3ffe9aa4da89090ea60988b | ≥ 6b658c4863c15936872a93c9ee879043bf6393c9, < df02452f3df069a59bc9e69c84435bf115cb6e37 | 5.14
  • linux_kernel≥ 5.14, < 5.15.72 | ≥ 5.16, < 5.19.12 | 6.0:rc1 | 6.0:rc2 | 6.0:rc3 | 6.0:rc4 | 6.0:rc5 | 6.0:rc6
Debian1 product
  • linux< 6.0.2-1

3 vendors · 88 products

References

7 links