CVE-2026-46096

In the Linux kernel, the following vulnerability has been resolved: tpm2-sessions: Fix missing tpm_buf_destroy() in tpm2_read_public() tpm2_read_public() calls tpm_buf_init() but fails to call tpm_buf_destroy() on two exit paths, leaking a page allocation: 1. When name_size() returns an error (unrecognized hash algorithm), the function returns directly without destroying the buffer. 2. On the success path, the buffer is never destroyed before returning. All other error paths in the function correctly call tpm_buf_destroy() before returning. Fix both by adding the missing tpm_buf_destroy() calls.

• https://git.kernel.org/stable/c/2f434be87e256fd58254f60ddf5d7d58e775ca0bPatch
• https://git.kernel.org/stable/c/f0f75a3d98b7959a8677b6363e23190f3018636bPatch
• https://git.kernel.org/stable/c/f8775d9d9062da662cc861f9ff7722a65896d4cdPatch

Published

May 27, 2026

Last Modified

Jun 25, 2026

Status

Analyzed

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