CVE-2025-40253
s390/ctcm: Fix double-kfree
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Dec 4, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
467ddbbe7e749d558f13e640f50f546149c930b3 < 06f1dd1de0d33dbfbd2e1fc9fc57d8895f730de2 4d3c6d741816539b57fa1110c3f765a8c176d7b4 < 6bf8ccaabce8cebb6cb1f255c93d0acdfe95c17a 2bd57101c3ecf3f8c0da1d26c2b6ad511adc6d50 < 7616e2eee679746d526c7f5befd4eedb995935b5 0c0b20587b9f25a2ad14db7f80ebe49bdf29920a < 43096dab8cc60fc39133205fd149a54d3acebea8 0c0b20587b9f25a2ad14db7f80ebe49bdf29920a < 3b177b2ded563df16f6d5920671ffcfe5915d472 0c0b20587b9f25a2ad14db7f80ebe49bdf29920a < b9dbfb1b5699f9f1e4991f96741bdf9047147589 0c0b20587b9f25a2ad14db7f80ebe49bdf29920a < 7ff76f8dc6b550f8d16487bf3cebc278be720b5c 0c0b20587b9f25a2ad14db7f80ebe49bdf29920a < da02a1824884d6c84c5e5b5ac373b0c9e3288ec2 36933de59f67029e5739a98393891f9b94f27e0f d886b4292a1c5b4facdb2dfdc31f0fecc71df898 4c9ba0fed125deba8416b995b0c274b0804c0c24 ea0053af5dab4d63a9c44563973fb2f3bfd9eb2b
Linux / Linux
5.18
References
git.kernel.org: https://git.kernel.org/stable/c/06f1dd1de0d33dbfbd2e1fc9fc57d8895f730de2 git.kernel.org: https://git.kernel.org/stable/c/6bf8ccaabce8cebb6cb1f255c93d0acdfe95c17a git.kernel.org: https://git.kernel.org/stable/c/7616e2eee679746d526c7f5befd4eedb995935b5 git.kernel.org: https://git.kernel.org/stable/c/43096dab8cc60fc39133205fd149a54d3acebea8 git.kernel.org: https://git.kernel.org/stable/c/3b177b2ded563df16f6d5920671ffcfe5915d472 git.kernel.org: https://git.kernel.org/stable/c/b9dbfb1b5699f9f1e4991f96741bdf9047147589 git.kernel.org: https://git.kernel.org/stable/c/7ff76f8dc6b550f8d16487bf3cebc278be720b5c git.kernel.org: https://git.kernel.org/stable/c/da02a1824884d6c84c5e5b5ac373b0c9e3288ec2