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CVE-2025-39964

LOW(3.3)

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Risk Signal Score8/100 — NIEDRIG

EPSS-Score

0%

Exploit-Wahrscheinlichkeit (30 Tage)

CVSS Score

3.3

Technische Schwere

Beschreibung

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.

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