Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | - |
| Debian | Debian Linux | 10.0 |
Related Weaknesses (CWE)
References
- https://access.redhat.com/security/cve/CVE-2021-3759Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1999675Issue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/12/msg00031.htmlMailing ListThird Party Advisory
- https://lore.kernel.org/linux-mm/1626333284-1404-1-git-send-email-nglaive%40gmai
- https://access.redhat.com/security/cve/CVE-2021-3759Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1999675Issue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/12/msg00031.htmlMailing ListThird Party Advisory
- https://lore.kernel.org/linux-mm/1626333284-1404-1-git-send-email-nglaive%40gmai
FAQ
What is CVE-2021-3759?
CVE-2021-3759 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 all...
How severe is CVE-2021-3759?
CVE-2021-3759 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-3759?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Debian Debian Linux.