CVE-2025-38079high

CVE-2025-38079: high-severity vulnerability in Linux

crypto: algif_hash - fix double free in hash_accept

Published · Updated

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.8epss 0.2%
exploitation probability
0.2%top 90% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved: crypto: algif_hash - fix double free in hash_accept If accept(2) is called on socket type algif_hash with MSG_MORE flag set and crypto_ahash_import fails, sk2 is freed. However, it is also freed in af_alg_release, leading to slab-use-after-free error.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Linux · Linux
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In the same product, most dangerous first.

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References
https://cert-portal.siemens.com/productcert/html/ssa-082556.htmlhttps://git.kernel.org/stable/c/0346f4b742345d1c733c977f3a7aef5a6419a967https://git.kernel.org/stable/c/134daaba93193df9e988524b5cd2f52d15eb1993https://git.kernel.org/stable/c/2f45a8d64fb4ed4830a4b3273834ecd6ca504896https://git.kernel.org/stable/c/5bff312b59b3f2a54ff504e4f4e47272b64f3633https://git.kernel.org/stable/c/b2df03ed4052e97126267e8c13ad4204ea6ba9b6https://git.kernel.org/stable/c/bf7bba75b91539e93615f560893a599c1e1c98bfhttps://git.kernel.org/stable/c/c3059d58f79fdfb2201249c2741514e34562b547https://git.kernel.org/stable/c/f0f3d09f53534ea385d55ced408f2b67059b16e4https://lists.debian.org/debian-lts-announce/2025/10/msg00007.htmlhttps://lists.debian.org/debian-lts-announce/2025/10/msg00008.html