CVE-2022-48638 (GCVE-0-2022-48638)

Vulnerability from cvelistv5 – Published: 2024-04-28 12:59 – Updated: 2026-05-11 18:44
VLAI
Title
cgroup: cgroup_get_from_id() must check the looked-up kn is a directory
Summary
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.
Severity
5.3 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 6b658c4863c15936872a93c9ee879043bf6393c9 , < 8484a356cee8ce3d6a8e6266ff99be326e9273ad (git)
Affected: 6b658c4863c15936872a93c9ee879043bf6393c9 , < 1e9571887f97b17cf3ffe9aa4da89090ea60988b (git)
Affected: 6b658c4863c15936872a93c9ee879043bf6393c9 , < df02452f3df069a59bc9e69c84435bf115cb6e37 (git)
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Linux Linux Affected: 5.14
Unaffected: 0 , < 5.14 (semver)
Unaffected: 5.15.72 , ≤ 5.15.* (semver)
Unaffected: 5.19.12 , ≤ 5.19.* (semver)
Unaffected: 6.0 , ≤ * (original_commit_for_fix)
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.