What is CVE-2024-42138?

CVE-2024-42138 is a high-severity vulnerability in Linux, classified under Double Free. CVSS score: 7.8/10. Published 2024-07-30.

How severe is CVE-2024-42138?

High severity. CVSS v3 base score is 7.8 out of 10.

Double Free in Linux

CVE-2024-42138

In the Linux kernel, the following vulnerability has been resolved: mlxsw: core_linecards: Fix double memory deallocation in case of invalid INI file In case of invalid INI file mlxsw_linecard_types_init() deallocates memory but doesn't reset pointer to NULL and returns 0. In case of any error occurred after mlxsw_linecard_types_init() call, mlxsw_linecards_init() calls mlxsw_linecard_types_fini() which performs memory deallocation again. Add pointer reset to NULL. Found by Linux Verification Center (linuxtesting.org) with SVACE.

Vulnerability class: Double Free

EPSS: 0.002 (14.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions b217127e5e4ee0ecfce7c5f84cfe082238123bda, 5.19, 0
Linux Linux_kernel — versions 6.10

Weakness classification (CWE)

CWE-415 — Double Free

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2024-42138?: CVE-2024-42138 is a high-severity vulnerability in Linux, classified under Double Free. CVSS score: 7.8/10. Published 2024-07-30.
How severe is CVE-2024-42138?: High severity. CVSS v3 base score is 7.8 out of 10.