CVE-2021-47654 (GCVE-0-2021-47654)

Vulnerability from cvelistv5 – Published: 2025-02-26 01:54 – Updated: 2026-05-11 13:58
VLAI
Title
samples/landlock: Fix path_list memory leak
Summary
In the Linux kernel, the following vulnerability has been resolved: samples/landlock: Fix path_list memory leak Clang static analysis reports this error sandboxer.c:134:8: warning: Potential leak of memory pointed to by 'path_list' ret = 0; ^ path_list is allocated in parse_path() but never freed.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-01 19:50 UTC
CWE
  • CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: ba84b0bf5a164f0f523656c1e37568c30f3f3303 , < 20fbf100f84b9aeb9c91421abe1927bc152bc32b (git)
Affected: ba84b0bf5a164f0f523656c1e37568c30f3f3303 , < 49b0d8bf05809df5f87e5c03e26d74bdfdab4571 (git)
Affected: ba84b0bf5a164f0f523656c1e37568c30f3f3303 , < 017196730299ccd6eed24bbfabed8af4ffd81530 (git)
Affected: ba84b0bf5a164f0f523656c1e37568c30f3f3303 , < 66b513b7c64a7290c1fbb88e657f7cece992e131 (git)
guessed Create a notification for this product.
Linux Linux Affected: 5.13
Unaffected: 0 , < 5.13 (semver)
Unaffected: 5.15.33 , ≤ 5.15.* (semver)
Unaffected: 5.16.19 , ≤ 5.16.* (semver)
Unaffected: 5.17.2 , ≤ 5.17.* (semver)
Unaffected: 5.18 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
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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

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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.



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