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CVE-2025-38079

crypto: algif_hash - fix double free in hash_accept

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.4.294, 5.10.238, 5.15.185, 6.1.141, 6.6.93, and 2 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: total

  3. Record last updated

Affected versions

  • Linux Linux

    From fe869cdb89c95d060c77eea20204d6c91f233b53 · fixed in 5bff312b59b3f2a54ff504e4f4e47272b64f3633; From fe869cdb89c95d060c77eea20204d6c91f233b53 · fixed in bf7bba75b91539e93615f560893a599c1e1c98bf; From fe869cdb89c95d060c77eea20204d6c91f233b53 · fixed in c3059d58f79fdfb2201249c2741514e34562b547; From fe869cdb89c95d060c77eea20204d6c91f233b53 · fixed in f0f3d09f53534ea385d55ced408f2b67059b16e4; From fe869cdb89c95d060c77eea20204d6c91f233b53 · fixed in 134daaba93193df9e988524b5cd2f52d15eb1993; From fe869cdb89c95d060c77eea20204d6c91f233b53 · fixed in 2f45a8d64fb4ed4830a4b3273834ecd6ca504896; From fe869cdb89c95d060c77eea20204d6c91f233b53 · fixed in 0346f4b742345d1c733c977f3a7aef5a6419a967; From fe869cdb89c95d060c77eea20204d6c91f233b53 · fixed in b2df03ed4052e97126267e8c13ad4204ea6ba9b6

  • Linux Linux

    2.6.38

  • KernelLinux

    From 2.6.38 · fixed in 5.4.294; From 5.5.0 · fixed in 5.10.238; From 5.11.0 · fixed in 5.15.185; From 5.16.0 · fixed in 6.1.141; From 6.2.0 · fixed in 6.6.93; From 6.7.0 · fixed in 6.12.31; From 6.13.0 · fixed in 6.14.9

References 8

git.kernel.org