CVE-2026-93039
kernel: ASoC: meson: Keep link pointers valid on realloc failure
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 17, 2026
Updated · October 20, 2026
Description
A flaw was found in the Linux kernel's ASoC (Audio System on Chip) meson driver. This vulnerability occurs in the meson_card_reallocate_links() function when memory reallocation (krealloc()) fails after successfully moving data for the DAI link array. This can result in a use-after-free and double free condition, potentially leading to system instability or a denial of service.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-1341 · Multiple Releases of Same Resource or Handle