vulnerability

Red Hat: CVE-2025-38079: kernel: crypto: algif_hash - fix double free in hash_accept (Multiple Advisories)

Name: Red Hat: CVE-2025-38079: kernel: crypto: algif_hash - fix double free in hash_accept (Multiple Advisories)
Creator: Red Hat
Published: 2025-06-18T00:00:00.000Z
Keywords: CVE, CWE-415, Red Hat, 2025, 38079, kernel, redhat-upgrade-kernel, redhat-upgrade-kernel-rt, Severity 7

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Severity

CVSS

(AV:L/AC:M/Au:S/C:C/I:C/A:C)

Published

Jun 18, 2025

Added

Jul 9, 2025

Modified

Jun 18, 2026

Description

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.

Solutions

redhat-upgrade-kernelredhat-upgrade-kernel-rt

References

Rapid7 Labs

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