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THREAT OPS › Threat News › [NVD] CVE-2025-39964 (HIGH 7.8) — 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 m

[NVD] CVE-2025-39964 (HIGH 7.8) — 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 m

lownvdPublished 2025-10-13

CVE-2025-39964 CVSS: 7.8 HIGH Published: 2025-10-13T14:15:34.737

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

Indicators of compromise

Original source: https://nvd.nist.gov/vuln/detail/CVE-2025-39964