CVE-2023-53324

Summary

In the Linux kernel, the following vulnerability has been resolved:

drm/msm/mdp5: Don't leak some plane state

Apparently no one noticed that mdp5 plane states leak like a sieve ever since we introduced plane_state->commit refcount a few years ago in 21a01abbe32a ("drm/atomic: Fix freeing connector/plane state too early by tracking commits, v3.")

Fix it by using the right helpers.

Patchwork: https://patchwork.freedesktop.org/patch/551236/

Affected Software

VendorProductVersion RangeStatus
LinuxLinux21a01abbe32a3cbeb903378a24e504bfd9fe0648 < 7fc11a830b2eb07a0e3c6f917e5e636df6fc5d4caffected
LinuxLinux21a01abbe32a3cbeb903378a24e504bfd9fe0648 < b8a61df6f40448cf46611f7af05b00970d08d620affected
LinuxLinux21a01abbe32a3cbeb903378a24e504bfd9fe0648 < 815e42029f6e1e762898079f85546d6a0391ab95affected
LinuxLinux21a01abbe32a3cbeb903378a24e504bfd9fe0648 < c0b1eee648702e04f1005d451f9689575b7f52edaffected
LinuxLinux21a01abbe32a3cbeb903378a24e504bfd9fe0648 < 2965015006ef18ca96d2eab9ebe6bca884c63291affected
LinuxLinux21a01abbe32a3cbeb903378a24e504bfd9fe0648 < 5b0dd3a102f64996598bd1e8d8388848a7c561bcaffected
LinuxLinux21a01abbe32a3cbeb903378a24e504bfd9fe0648 < 12dfd02cbd1a678fbd66be0c2f79d5299c4921a9affected
LinuxLinux21a01abbe32a3cbeb903378a24e504bfd9fe0648 < fd0ad3b2365c1c58aa5a761c18efc4817193beb6affected
LinuxLinux4.15affected
LinuxLinux0 < 4.15unaffected
LinuxLinux4.19.295 <= 4.19.*unaffected
LinuxLinux5.4.257 <= 5.4.*unaffected
LinuxLinux5.10.195 <= 5.10.*unaffected
LinuxLinux5.15.132 <= 5.15.*unaffected
LinuxLinux6.1.53 <= 6.1.*unaffected
LinuxLinux6.4.16 <= 6.4.*unaffected
LinuxLinux6.5.3 <= 6.5.*unaffected
LinuxLinux6.6 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References