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Vulnerability DatabaseCVE-2025-38079
CVE-2025-38079:
Linux Kernel vulnerability analysis and mitigation
Overview
CVE-2025-38079 is a vulnerability discovered in the Linux kernel affecting the crypto subsystem, specifically the algifhash socket type. The vulnerability was published on June 18, 2025, and involves a double-free condition in the hashaccept function (NVD, Wiz).
Technical details
The vulnerability occurs when accept(2) is called on socket type algifhash with MSGMORE flag set and cryptoahashimport fails. In this scenario, sk2 is freed but is also freed again in afalgrelease, leading to a slab-use-after-free error (NVD, Debian Tracker).
Impact
The vulnerability results in a double-free condition in the Linux kernel's crypto subsystem, which could potentially lead to memory corruption and system instability (Wiz).
Mitigation and workarounds
The vulnerability has been fixed in Linux kernel version 6.12.32-1. Users are advised to upgrade to this version or later to mitigate the vulnerability. The fix has been implemented in the trixie and sid distributions, while bullseye and bookworm remain vulnerable (Debian Tracker).
Additional resources
Source: This report was generated using AI
Related Linux Kernel vulnerabilities:
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