vulnerability
Debian: CVE-2025-39964: linux, linux-6.1 -- security update
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 2 | (AV:L/AC:L/Au:S/C:N/I:N/A:P) | Nov 13, 2025 | Nov 13, 2025 | Feb 4, 2026 |
Severity
2
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:P)
Published
Nov 13, 2025
Added
Nov 13, 2025
Modified
Feb 4, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: crypto: af_alg - Disallow concurrent writes in af_alg_sendmsg Issuing two writes to the same af_alg socket is bogus as the data will be interleaved in an unpredictable fashion. Furthermore, concurrent writes may create inconsistencies in the internal socket state. Disallow this by adding a new ctx->write field that indiciates exclusive ownership for writing.
Solutions
debian-upgrade-linuxdebian-upgrade-linux-6-1
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