Skip to content
CVE PROGRAM SOURCE RECORD7.8 High

CVE-2026-31782

perf/x86: Fix potential bad container_of in intel_pmu_hw_config

Read JSON ↗CVE.org ↗
Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: perf/x86: Fix potential bad container_of in intel_pmu_hw_config Auto counter reload may have a group of events with software events present within it. The software event PMU isn't the x86_hybrid_pmu and a container_of operation in intel_pmu_set_acr_caused_constr (via the hybrid helper) could cause out of bound memory reads. Avoid this by guarding the call to intel_pmu_set_acr_caused_constr with an is_x86_event check.

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

  • ec980e4facef8110f6fce27e5b6344660117f01f to < e435a30ca6fe14c9611b1fc731c98a6d28410247affected
  • ec980e4facef8110f6fce27e5b6344660117f01f to < bfee04838f636d064bc92075c65c95f739003804affected
  • ec980e4facef8110f6fce27e5b6344660117f01f to < dbde07f06226438cd2cf1179745fa1bec5d8914aaffected

Linux Linux

Default version status: affected

  • 6.16affected
  • 0 to < 6.16unaffected
  • 6.18.22 to ≤ 6.18.*unaffected
  • 6.19.12 to ≤ 6.19.*unaffected
  • 7.0 to ≤ *unaffected

References