DEBIAN-CVE-2025-40253

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2025-40253
Published: 04 Dec 2025, 16:16
Last modified:28 Apr 2026, 20:30

Vulnerability Summary

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

Timeline

04 Dec 2025, 16:16
Published
Vulnerability first disclosed
28 Apr 2026, 20:30
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.

Affected Systems

  • debian•linux

    all | < 6.1.159-1 | < 6.12.63-1 | < 6.17.10-1

  • debian•linux-6.1

    < 6.1.159-1~deb11u1

References (1)