Vulnerability in Linux

[ Description ]Official description

In the Linux kernel, the following vulnerability has been resolved: KEYS: trusted: Fix tpm2_load_cmd() boundary check tpm2_load_cmd() does boundary checks against the ASN.1 size i.e., payload->blob_len. Address this by passing the decoded blob size to tpm2_load_cmd(), and use it for the boundary checks.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• BSI CERT-Bund5 Oct 2026WID-SEC-2026-3743

  Linux Kernel: Multiple vulnerabilities Translated from German

  Risk mediumCVE-2026-98221CVE-2026-98181CVE-2026-98248+204 more CVEs

[ References ]References

• git.kernel.org/stable/c/114f00d738f15dd8c7318369edcdc53dd6d08763
• git.kernel.org/stable/c/134825dfc971fbf2b1d0f58f0b3bce8332ad0afb
• git.kernel.org/stable/c/3fd487c69ad3161e358c33c170bab0cf02a071b7
• git.kernel.org/stable/c/5afa57ea91481c6c49f194b0f5a5c4d96a4d7348
• git.kernel.org/stable/c/9ddbc5f4bb498aff8096a5231574858a4bffee4f
• git.kernel.org/stable/c/b020b447338872440142fe8a57350a483da86b7a
• git.kernel.org/stable/c/cc86227fea28aed86c1fb52a884560b4440da198