What is CVE-2026-31782?

CVE-2026-31782 is a high-severity vulnerability in Linux, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2026-05-01.

How severe is CVE-2026-31782?

High severity. CVSS v3 base score is 7.8 out of 10.

Out-of-bounds Read in Linux

CVE-2026-31782

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…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (3.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions ec980e4facef8110f6fce27e5b6344660117f01f, 6.16, 0
Linux Linux_kernel — versions 6.16, 7.0

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2026-31782?: CVE-2026-31782 is a high-severity vulnerability in Linux, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2026-05-01.
How severe is CVE-2026-31782?: High severity. CVSS v3 base score is 7.8 out of 10.