CVE-2025-22040 (GCVE-0-2025-22040)

Vulnerability from cvelistv5 – Published: 2025-04-16 14:11 – Updated: 2025-11-03 19:41
VLAI?
Summary
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix session use-after-free in multichannel connection There is a race condition between session setup and ksmbd_sessions_deregister. The session can be freed before the connection is added to channel list of session. This patch check reference count of session before freeing it.
Severity ?
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 0626e6641f6b467447c81dd7678a69c66f7746cf , < 596407adb9af1ee75fe7c7529607783d31b66e7f (git)
Affected: 0626e6641f6b467447c81dd7678a69c66f7746cf , < 3980770cb1470054e6400fd97668665975726737 (git)
Affected: 0626e6641f6b467447c81dd7678a69c66f7746cf , < 9069939d762138e232a6f79e3e1462682ed6a17d (git)
Affected: 0626e6641f6b467447c81dd7678a69c66f7746cf , < 94c281721d4ed2d972232414b91d98a6f5bdb16b (git)
Affected: 0626e6641f6b467447c81dd7678a69c66f7746cf , < 7dfbd4c43eed91dd2548a95236908025707a8dfd (git)
Affected: 0626e6641f6b467447c81dd7678a69c66f7746cf , < fa4cdb8cbca7d6cb6aa13e4d8d83d1103f6345db (git)
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    Linux Linux Affected: 5.15
Unaffected: 0 , < 5.15 (semver)
Unaffected: 6.1.134 , ≤ 6.1.* (semver)
Unaffected: 6.6.87 , ≤ 6.6.* (semver)
Unaffected: 6.12.23 , ≤ 6.12.* (semver)
Unaffected: 6.13.11 , ≤ 6.13.* (semver)
Unaffected: 6.14.2 , ≤ 6.14.* (semver)
Unaffected: 6.15 , ≤ * (original_commit_for_fix)
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      "cveMetadata": "{\"cveId\": \"CVE-2025-22040\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-26T05:17:09.966Z\", \"dateReserved\": \"2024-12-29T08:45:45.809Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-04-16T14:11:57.601Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Sightings

Author Source Type Date

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.