CVE-2021-20265

kernel: increase slab leak leads to DoS

Published Mar 10, 2021 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-7701 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.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 3, 2024, 5:37 PM
Reserved
Dec 17, 2020, 12:00 AM
Status
Modified
Published
Mar 10, 2021, 4:15 PM
Modified
Jun 17, 2026, 3:33 AM
Severity
Moderate
Public date
Jan 24, 2016, 12:00 AM