CVE-2022-0480

low-risk
Published 2022-08-29

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.

Do I need to act?

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0.02% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (2)

Affected Vendors

Redhat Linux

References (12)

Third Party Advisory https://access.redhat.com/security/cve/CVE-2022-0480
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=2049700
Patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0f...
Issue Tracking https://github.com/kata-containers/kata-containers/issues/3373
Vendor Advisory https://lore.kernel.org/linux-mm/20210902215519.AWcuVc3li%25akpm%40linux-foundat...
Third Party Advisory https://ubuntu.com/security/CVE-2022-0480
Third Party Advisory https://access.redhat.com/security/cve/CVE-2022-0480
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=2049700
Patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0f...
Issue Tracking https://github.com/kata-containers/kata-containers/issues/3373
Vendor Advisory https://lore.kernel.org/linux-mm/20210902215519.AWcuVc3li%25akpm%40linux-foundat...
Third Party Advisory https://ubuntu.com/security/CVE-2022-0480
25
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 7/34 · Low