A flaw was found in the filelock_init in fs/locks.c function in the Linux kernel. This issue can lead to host memory exhaustion due to memcg not limiting the number of Portable Operating System Interface (POSIX) file locks.
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 |
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https://github.com/kata-containers/kata-containers/issues/3373 | issue tracking third party advisory |
https://lore.kernel.org/linux-mm/20210902215519.AWcuVc3li%25akpm%40linux-foundation.org/ | vendor advisory |
https://bugzilla.redhat.com/show_bug.cgi?id=2049700 | issue tracking third party advisory |
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0f12156dff2862ac54235fc72703f18770769042 | patch |
https://access.redhat.com/security/cve/CVE-2022-0480 | third party advisory |
https://ubuntu.com/security/CVE-2022-0480 | third party advisory |