CVE-2025-68792

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.

Package Linux Kernel
Published 2026-01-13
Last modified 2026-04-15
Patch available
Yes

Affected versions

Linux kernel versions 6.10 and later are affected. Fixed in 6.12.66, 6.18.3, 6.19 and their respective stable series.

Affected from
≥ 6.10
Fixed in
✓ 6.12.66 6.12.x ✓ 6.18.3 6.18.x ✓ 6.19

References

The following references provide additional information about CVE-2025-68792 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Frequently asked questions

  • What is CVE-2025-68792?

    CVE-2025-68792 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.10 onward and has been patched in 6.12.66, 6.18.3 and 6.19. CVE-2025-68792 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • Is there a patch available for CVE-2025-68792?

    Yes — CVE-2025-68792 has been patched. Fixed versions include 6.12.66, 6.18.3 and 6.19. If you are running Linux kernel 6.10 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2025-68792 actively exploited?

    No — CVE-2025-68792 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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