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.
The product does not properly control the allocation and maintenance of a limited resource.
The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.
| Link | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1999675 | third party advisory issue tracking |
| https://access.redhat.com/security/cve/CVE-2021-3759 | third party advisory |
| https://lore.kernel.org/linux-mm/1626333284-1404-1-git-send-email-nglaive%40gmail.com/ | |
| https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html | third party advisory mailing list |