CVE-2026-46096
Published: May 27, 2026· Updated: May 27, 2026
Official Description
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.
Technical Analysis
CVE-2026-46096 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
Affected Vendors & Products
Exploit & PoC Resources
All References (3)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2026-46096 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts