Memory leak in Linux kernel - CVE-2026-46096
Published: May 27, 2026
Vulnerability identifier: #VU132391
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-46096
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to a memory leak in tpm2_read_public() when processing TPM2 public data. A local user can trigger the vulnerable code path to cause a denial of service.
The issue occurs because allocated buffer memory is not released on certain exit paths, including a successful return and an error return after an unrecognized hash algorithm.
How to mitigate CVE-2026-46096
Install security update from vendor's repository.