CVE-2025-40253

Advisory lineage Upstream: 0 Downstream: 38
Deferred
Published: 04 Dec 2025, 16:08
Last modified:23 May 2026, 16:01

Vulnerability Summary

Overall Risk (default)
minimal
0/100
CVSS Score
No data
EPSS Score
0.06% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

04 Dec 2025, 16:08
Published
Vulnerability first disclosed
23 May 2026, 16:01
Last Modified
Vulnerability information updated

Description

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.

EPSS Trends

Current EPSS score: 0.06%• Percentile: 18%

Affected Systems

  • linux•linux

    ≥ 467ddbbe7e749d558f13e640f50f546149c930b3, < 06f1dd1de0d33dbfbd2e1fc9fc57d8895f730de2 | ≥ 4d3c6d741816539b57fa1110c3f765a8c176d7b4, < 6bf8ccaabce8cebb6cb1f255c93d0acdfe95c17a | ≥ 2bd57101c3ecf3f8c0da1d26c2b6ad511adc6d50, < 7616e2eee679746d526c7f5befd4eedb995935b5 | ≥ 0c0b20587b9f25a2ad14db7f80ebe49bdf29920a, < 43096dab8cc60fc39133205fd149a54d3acebea8 | ≥ 0c0b20587b9f25a2ad14db7f80ebe49bdf29920a, < 3b177b2ded563df16f6d5920671ffcfe5915d472 | ≥ 0c0b20587b9f25a2ad14db7f80ebe49bdf29920a, < b9dbfb1b5699f9f1e4991f96741bdf9047147589 | ≥ 0c0b20587b9f25a2ad14db7f80ebe49bdf29920a, < 7ff76f8dc6b550f8d16487bf3cebc278be720b5c | ≥ 0c0b20587b9f25a2ad14db7f80ebe49bdf29920a, < da02a1824884d6c84c5e5b5ac373b0c9e3288ec2 | 36933de59f67029e5739a98393891f9b94f27e0f | d886b4292a1c5b4facdb2dfdc31f0fecc71df898 | 4c9ba0fed125deba8416b995b0c274b0804c0c24 | ea0053af5dab4d63a9c44563973fb2f3bfd9eb2b | ≥ 5.4.195, < 5.4.302 | ≥ 5.10.117, < 5.10.247 | ≥ 5.15.41, < 5.15.197 | ≥ 4.9.315, < 4.10 | ≥ 4.14.280, < 4.15 | ≥ 4.19.244, < 4.20 | ≥ 5.17.9, < 5.18 | 5.18

References (8)