CVE-2025-38079crypto: algif_hash - fix double free in hash_accept
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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
- 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Not yet received
- Record last updated
- Oct 15, 2026
- First seen by InfoSec Signals
- Oct 15, 2026
Affected products
Linux Linux linux:linux (from the name) | from fe869cdb89c95d060c77eea20204d6c91f233b53 before 5bff312b59b3f2a54ff504e4f4e47272b64f3633; from fe869cdb89c95d060c77eea20204d6c91f233b53 before bf7bba75b91539e93615f560893a599c1e1c98bf; from fe869cdb89c95d060c77eea20204d6c91f233b53 before c3059d58f79fdfb2201249c2741514e34562b547; from fe869cdb89c95d060c77eea20204d6c91f233b53 before f0f3d09f53534ea385d55ced408f2b67059b16e4; from fe869cdb89c95d060c77eea20204d6c91f233b53 before 134daaba93193df9e988524b5cd2f52d15eb1993; from fe869cdb89c95d060c77eea20204d6c91f233b53 before 2f45a8d64fb4ed4830a4b3273834ecd6ca504896; from fe869cdb89c95d060c77eea20204d6c91f233b53 before 0346f4b742345d1c733c977f3a7aef5a6419a967; from fe869cdb89c95d060c77eea20204d6c91f233b53 before b2df03ed4052e97126267e8c13ad4204ea6ba9b6 | CNA record |
Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518_4_pn_dp_mfp (from the name) | from V3.1.5 | CISA ADP |
Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518f_4_pn_dp_mfp (from the name) | from V3.1.5 | CISA ADP |
Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP siemens:siplus_s7_1500_cpu_1518_4_pn_dp_mfp (from the name) | from V3.1.5 | CISA ADP |
References
- https://git.kernel.org/stable/c/5bff312b59b3f2a54ff504e4f4e47272b64f3633
- https://git.kernel.org/stable/c/bf7bba75b91539e93615f560893a599c1e1c98bf
- https://git.kernel.org/stable/c/c3059d58f79fdfb2201249c2741514e34562b547
- https://git.kernel.org/stable/c/f0f3d09f53534ea385d55ced408f2b67059b16e4
- https://git.kernel.org/stable/c/134daaba93193df9e988524b5cd2f52d15eb1993
- https://git.kernel.org/stable/c/2f45a8d64fb4ed4830a4b3273834ecd6ca504896
- https://git.kernel.org/stable/c/0346f4b742345d1c733c977f3a7aef5a6419a967
- https://git.kernel.org/stable/c/b2df03ed4052e97126267e8c13ad4204ea6ba9b6
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.