cve.bz

CVE-2021-20265

5.5 mediumEPSS 0.3%

Medium (5.5). EPSS 0.3% chance of exploitation in the next 30 days.

A flaw was found in the way memory resources were freed in the unix_stream_recvmsg function in the Linux kernel when a signal was pending. This flaw allows an unprivileged local user to crash the system by exhausting available memory. The highest threat from this vulnerability is to system availability.

Severity

CVSS 3.1

5.5 medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS
0.3% chance of exploitation in the next 30 days; higher than 27% of CVEs (scores of 2026-10-31)
CWEs
CWE-401, CWE-400
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON