vulnerability

SUSE: CVE-2020-27825: SUSE Linux Security Advisory

Severity
5
CVSS
(AV:L/AC:M/Au:N/C:P/I:N/A:C)
Published
Dec 11, 2020
Added
Jan 13, 2021
Modified
Feb 4, 2022

Description

A use-after-free flaw was found in kernel/trace/ring_buffer.c in Linux kernel (before 5.10-rc1). There was a race problem in trace_open and resize of cpu buffer running parallely on different cpus, may cause a denial of service problem (DOS). This flaw could even allow a local attacker with special user privilege to a kernel information leak threat.

Solutions

suse-upgrade-kernel-defaultsuse-upgrade-kernel-default-extrasuse-upgrade-kernel-docssuse-upgrade-kernel-obs-build

References

    Title
    Rapid7 Labs

    2026 Global Threat Landscape Report

    The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.