Skip to content
CVE PROGRAM SOURCE RECORD7.8 High

CVE-2025-68792

tpm2-sessions: Fix out of range indexing in name_size

Description

In the Linux kernel, the following vulnerability has been resolved: tpm2-sessions: Fix out of range indexing in name_size 'name_size' does not have any range checks, and it just directly indexes with TPM_ALG_ID, which could lead into memory corruption at worst. Address the issue by only processing known values and returning -EINVAL for unrecognized values. Make also 'tpm_buf_append_name' and 'tpm_buf_fill_hmac_session' fallible so that errors are detected before causing any spurious TPM traffic. End also the authorization session on failure in both of the functions, as the session state would be then by definition corrupted.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 1085b8276bb4239daa7008f0dcd5c973e4bd690f to < 47e676ce4d68f461dfcab906f6aeb254f7276debaffected
  • 1085b8276bb4239daa7008f0dcd5c973e4bd690f to < 04a3aa6e8c5f878cc51a8a1c90b6d3c54079bc43affected
  • 1085b8276bb4239daa7008f0dcd5c973e4bd690f to < 6e9722e9a7bfe1bbad649937c811076acf86e1fdaffected

Linux Linux

Default version status: affected

  • 6.10affected
  • 0 to < 6.10unaffected
  • 6.12.66 to ≤ 6.12.*unaffected
  • 6.18.3 to ≤ 6.18.*unaffected
  • 6.19 to ≤ *unaffected

References