Resource exhaustion in Linux Kernel
CVE-2022-0480
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.003 (19.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Linux Kernel
- Red Hat Enterprise Linux — versions 9.0
- Kernel — versions Not Known
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/kata-containers/kata-containers/issues/3373 (Third Party Advisory, Issue Tracking)
- lore.kernel.org/linux-mm/20210902215519.AWcuVc3li%akpm@linux-foundation.org/ (Vendor Advisory)
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/ (Patch)
- access.redhat.com/security/cve/CVE-2022-0480 (Third Party Advisory)
- ubuntu.com/security/CVE-2022-0480 (Third Party Advisory)
Frequently asked questions
- What is CVE-2022-0480?
- CVE-2022-0480 is a medium-severity vulnerability in Linux Kernel, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.5/10. Published 2022-08-29.
- How severe is CVE-2022-0480?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2022-0480 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.