CVE-2021-3759
linux-5.10 - security update
5.5
MEDIUM
CVSS 3.1
EPSS 0.02%
Description
A memory overflow vulnerability was found in the Linux kernel’s ipc functionality of the memcg subsystem, in the way a user calls the semget function multiple times, creating semaphores. This flaw allows a local user to starve the resources, causing a denial of service. The highest threat from this vulnerability is to system availability.
How to fix CVE-2021-3759
To remediate CVE-2021-3759, upgrade the affected package to a fixed version below.
- —upgrade to 5.10.158-1 or later
- —upgrade to 5.10.158-2~deb10u1 or later
Is CVE-2021-3759 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 5.10.158-1
- from 0, < 5.10.158-2~deb10u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |