medium5.5
CVE-2021-3759
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 …
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | All versions |
| Debian | Debian Linux | Version 10.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://access.redhat.com/security/cve/CVE-2021-3759
- https://bugzilla.redhat.com/show_bug.cgi?id=1999675
- https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html
- https://lore.kernel.org/linux-mm/1626333284-1404-1-git-send-email-nglaive%40gmail.com/
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html