HighFix available
crypto: algif_hash - fix double free in hash_accept
Type: advisorySources: OSV
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.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 5.10.238, 5.15.185, 5.4.294, 6.1.141, 6.12.31, 6.14.9, 6.6.93
- CVEs
- CVE-2025-38079
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 23:11 UTC · Revision 1
Source evidence
crypto: algif_hash - fix double free in hash_accept
core-osv · Original sourcePublished 18 Jun 2025, 09:33 UTC
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.
osv:CVE-2025-38079
Kernel
Fixed versions: 5.4.294, 5.10.238, 5.15.185, 6.1.141, 6.6.93, 6.12.31, 6.14.9
Complete source record
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"url": "https://osv.dev/vulnerability/CVE-2025-38079",
"method": "structured",
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"title": "crypto: algif_hash - fix double free in hash_accept",
"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.",
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"modified": "2026-10-28T02:30:40.679149933Z",
"provider": "osv",
"references": [
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"https://git.kernel.org/stable/c/f0f3d09f53534ea385d55ced408f2b67059b16e4",
"https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html",
"https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38079.json",
"https://nvd.nist.gov/vuln/detail/CVE-2025-38079",
"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
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"security_relevant": true,
"severity_evidence": "/severity/0/score"
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"source_id": "core-osv",
"document_id": 507867,
"published_at": "2025-06-18T09:33:53.251+00:00"
}