Medium 5.5Published Feb 4, 2026

CVE-2026-23065platform/x86/amd: Fix memory leak in wbrf_record()

Updated under an hour ago (Oct 27, 2026, 4:40 AM ET)

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: platform/x86/amd: Fix memory leak in wbrf_record() The tmp buffer is allocated using kcalloc() but is not freed if acpi_evaluate_dsm() fails. This causes a memory leak in the error path. Fix this by explicitly freeing the tmp buffer in the error handling path of acpi_evaluate_dsm().

CVSS: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Analyzed
Record last updated: May 11, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 58e82a62669da52e688f4a8b89922c1839bf1001 before 1152dffe01af86e42ce2b208b92ef7f8c275d130; 58e82a62669da52e688f4a8b89922c1839bf1001 builds before 1a0072bd1f1e559eda3e91a24dbc51c9eb025c54; 58e82a62669da52e688f4a8b89922c1839bf1001 builds before 2bf1877b7094c684e1d652cac6912cfbc507ad3e	CNA record
linux linux_kernel linux:linux_kernel	from 6.8 before 6.12.68; from 6.13 before 6.18.8; 6.19; 6.19; 6.19; 6.19; 6.19; 6.19	NVD

References

References

https://git.kernel.org/stable/c/1152dffe01af86e42ce2b208b92ef7f8c275d130	patch
https://git.kernel.org/stable/c/1a0072bd1f1e559eda3e91a24dbc51c9eb025c54	patch
https://git.kernel.org/stable/c/2bf1877b7094c684e1d652cac6912cfbc507ad3e	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.