Home/CVE/A flaw was found in the filelock_init in fs/locks.c function in the Linux kernel. This issue can lead to host memory exh
CVE

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 exh

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.

MEDIUM · CVSS 5.5 EPSS 0.00022
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-770Allocation of Resources Without Limits or Throttling
CWE-770Allocation of Resources Without Limits or Throttling
▤

Affected Products & Versions

2
linux kernel< 5.15
redhat enterprise linuxall versions
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD29 Aug 2022 · 03:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

6
rhsaRHSA-2024:2394Low
msrcCVE-2022-0480
rhsaRHSA-2024:1250Moderate
rhsaRHSA-2024:1306Important
rhsaRHSA-2024:1303Moderate
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://access.redhat.com/security/cve/CVE-2022-0480Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2049700Issue TrackingThird Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0f12156dff2862ac54235fc72703f18770769042Patch
https://github.com/kata-containers/kata-containers/issues/3373Issue TrackingThird Party Advisory
https://lore.kernel.org/linux-mm/20210902215519.AWcuVc3li%25akpm%40linux-foundation.org/Vendor Advisory
https://ubuntu.com/security/CVE-2022-0480Third Party Advisory
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