cve.bz

CVE-2021-22556

7.8 highEPSS 0.2%

High (7.8) in google fuchsia. EPSS 0.2% chance of exploitation in the next 30 days.

The Security Team discovered an integer overflow bug that allows an attacker with code execution to issue memory cache invalidation operations on pages that they don’t own, allowing them to control kernel memory from userspace. We recommend upgrading to kernel version 4.1 or beyond.

Severity

CVSS 3.1

7.8 high
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.2% chance of exploitation in the next 30 days; higher than 5% of CVEs (scores of 2026-10-31)
CWE
CWE-190
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON