CVE-2026-46096

kernel: tpm2-sessions: Fix missing tpm_buf_destroy() in tpm2_read_public()

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Severity

Unknown

Red Hat Product Security

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CVSS

Review impact separately from score.

Published · May 27, 2026

Updated · June 28, 2026

Description

A flaw was found in the Linux kernel's tpm2-sessions component. The tpm2_read_public() function fails to properly destroy a buffer on certain exit paths, leading to a page allocation leak. This resource exhaustion could allow a local attacker to cause a Denial of Service (DoS).

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CWE-772 · Missing Release of Resource after Effective Lifetime