EUVD-2026-32479
GHSA-wq6x-xf86-6rwf
Lifecycle Timeline
2DescriptionNVD
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:
- When name_size() returns an error (unrecognized hash algorithm),
the function returns directly without destroying the buffer.
- 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.
Analysis
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. …
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