CVE-2025-40253 (GCVE-0-2025-40253)

Vulnerability from cvelistv5 – Published: 2025-12-04 16:08 – Updated: 2025-12-06 21:38
VLAI?
Summary
In the Linux kernel, the following vulnerability has been resolved: s390/ctcm: Fix double-kfree The function 'mpc_rcvd_sweep_req(mpcginfo)' is called conditionally from function 'ctcmpc_unpack_skb'. It frees passed mpcginfo. After that a call to function 'kfree' in function 'ctcmpc_unpack_skb' frees it again. Remove 'kfree' call in function 'mpc_rcvd_sweep_req(mpcginfo)'. Bug detected by the clang static analyzer.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 467ddbbe7e749d558f13e640f50f546149c930b3 , < 06f1dd1de0d33dbfbd2e1fc9fc57d8895f730de2 (git)
Affected: 4d3c6d741816539b57fa1110c3f765a8c176d7b4 , < 6bf8ccaabce8cebb6cb1f255c93d0acdfe95c17a (git)
Affected: 2bd57101c3ecf3f8c0da1d26c2b6ad511adc6d50 , < 7616e2eee679746d526c7f5befd4eedb995935b5 (git)
Affected: 0c0b20587b9f25a2ad14db7f80ebe49bdf29920a , < 43096dab8cc60fc39133205fd149a54d3acebea8 (git)
Affected: 0c0b20587b9f25a2ad14db7f80ebe49bdf29920a , < 3b177b2ded563df16f6d5920671ffcfe5915d472 (git)
Affected: 0c0b20587b9f25a2ad14db7f80ebe49bdf29920a , < b9dbfb1b5699f9f1e4991f96741bdf9047147589 (git)
Affected: 0c0b20587b9f25a2ad14db7f80ebe49bdf29920a , < 7ff76f8dc6b550f8d16487bf3cebc278be720b5c (git)
Affected: 0c0b20587b9f25a2ad14db7f80ebe49bdf29920a , < da02a1824884d6c84c5e5b5ac373b0c9e3288ec2 (git)
Affected: 36933de59f67029e5739a98393891f9b94f27e0f (git)
Affected: d886b4292a1c5b4facdb2dfdc31f0fecc71df898 (git)
Affected: 4c9ba0fed125deba8416b995b0c274b0804c0c24 (git)
Affected: ea0053af5dab4d63a9c44563973fb2f3bfd9eb2b (git)
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    Linux Linux Affected: 5.18
Unaffected: 0 , < 5.18 (semver)
Unaffected: 5.4.302 , ≤ 5.4.* (semver)
Unaffected: 5.10.247 , ≤ 5.10.* (semver)
Unaffected: 5.15.197 , ≤ 5.15.* (semver)
Unaffected: 6.1.159 , ≤ 6.1.* (semver)
Unaffected: 6.6.118 , ≤ 6.6.* (semver)
Unaffected: 6.12.60 , ≤ 6.12.* (semver)
Unaffected: 6.17.10 , ≤ 6.17.* (semver)
Unaffected: 6.18 , ≤ * (original_commit_for_fix)
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{
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        }
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      "providerMetadata": {
        "dateUpdated": "2025-12-06T21:38:50.378Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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          "url": "https://git.kernel.org/stable/c/da02a1824884d6c84c5e5b5ac373b0c9e3288ec2"
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    "cveId": "CVE-2025-40253",
    "datePublished": "2025-12-04T16:08:15.340Z",
    "dateReserved": "2025-04-16T07:20:57.181Z",
    "dateUpdated": "2025-12-06T21:38:50.378Z",
    "state": "PUBLISHED"
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  "dataVersion": "5.2",
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  }
}


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  • 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.