CVE-2025-38079 — Double Free in Linux

CWE-415 — Double Free67 documents8 sources
Severity
7.8HIGHNVD
OSV5.5OSV3.2
EPSS
0.1%
top 75.93%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedJun 18
Latest updateMar 25

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages4 packages

▶NVDlinux/linux_kernel2.6.38 — 5.4.294+7
▶Debianlinux/linux_kernel< 5.10.244-1+3
▶Ubuntulinux/linux_kernel< 5.15.0-152.162+1
▶CVEListV5linux/linuxfe869cdb89c95d060c77eea20204d6c91f233b53 — 5bff312b59b3f2a54ff504e4f4e47272b64f3633+8

Also affects: Debian Linux 11.0

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

34
OSV
linux-azure-6.8 vulnerabilities↗2026-03-25
▶
OSV
linux-azure-fips vulnerabilities↗2026-03-04
▶
OSV
linux-azure vulnerabilities↗2026-03-04
▶
OSV
linux-ibm, linux-ibm-6.8 vulnerabilities↗2026-02-24
▶
OSV
linux-xilinx vulnerabilities↗2026-02-24
▶

📋Vendor Advisories

32
Ubuntu
Linux kernel (Azure) vulnerabilities↗2026-03-25
▶
Ubuntu
Linux kernel (Azure) vulnerabilities↗2026-03-04
▶
Ubuntu
Linux kernel (Azure FIPS) vulnerabilities↗2026-03-04
▶
Ubuntu
Linux kernel (Xilinx) vulnerabilities↗2026-02-24
▶
Ubuntu
Linux kernel (IBM) vulnerabilities↗2026-02-24
▶
CVE-2025-38079 — Double Free in Linux | cvebase