Skip to main content
← All vulnerabilities
CVE-2026-97427

drm/amd/pm: bound pp_dpm_set_pp_table() memcpy

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 6.1.189, 6.6.158, 6.12.111, 6.18.53
None on Exploit-DB, Metasploit or GitHub

Summary

In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: bound pp_dpm_set_pp_table() memcpy The powerplay path allocates hardcode_pp_table once with kmemdup(..., soft_pp_table_size). memcpy(..., size) used the sysfs store count (up to PAGE_SIZE) with no upper bound, causing heap overflow. Reject writes where size exceeds soft_pp_table_size.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Linux Linux

    From b9c1a77e8cd73aa42c2736b6b0ffddda6230af1a · fixed in abe61d067b48b947bedc9bae3725cb8f48dc8c0a; From b9c1a77e8cd73aa42c2736b6b0ffddda6230af1a · fixed in 9b5cb2e4eb297fe52be26fd895fc5ea28fc22bf9; From b9c1a77e8cd73aa42c2736b6b0ffddda6230af1a · fixed in 43d2ab8408f9f468b232350c74160ae21e763020; From b9c1a77e8cd73aa42c2736b6b0ffddda6230af1a · fixed in 3334985f8b4c7c637a829744c81518ad9a671bcb; From b9c1a77e8cd73aa42c2736b6b0ffddda6230af1a · fixed in f193e71fa9fab2e68ef85201b106e8f580d3a25b

  • Linux Linux

    4.6

  • KernelLinux

    From 4.6.0 · fixed in 6.1.189; From 6.2.0 · fixed in 6.6.158; From 6.7.0 · fixed in 6.12.111; From 6.13.0 · fixed in 6.18.53

References 5

git.kernel.org