CVE-2022-0480

MEDIUMNVD 5.55.5—

5.5

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.

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 6.3%
KEV: Not listed

Published

August 29, 2022

Last Modified

November 21, 2024

References (12)

secalert@redhathttps://access.redhat.com/security/cve/CVE-2022-0480
secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=2049700
secalert@redhathttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0f12156dff2862ac54235fc72703f18770769042
secalert@redhathttps://github.com/kata-containers/kata-containers/issues/3373
secalert@redhathttps://lore.kernel.org/linux-mm/20210902215519.AWcuVc3li%25akpm%40linux-foundation.org/
secalert@redhathttps://ubuntu.com/security/CVE-2022-0480
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/security/cve/CVE-2022-0480
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=2049700
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0f12156dff2862ac54235fc72703f18770769042
af854a3a-2127-422b-91ae-364da2661108https://github.com/kata-containers/kata-containers/issues/3373
af854a3a-2127-422b-91ae-364da2661108https://lore.kernel.org/linux-mm/20210902215519.AWcuVc3li%25akpm%40linux-foundation.org/
af854a3a-2127-422b-91ae-364da2661108https://ubuntu.com/security/CVE-2022-0480

Patch Availability(5)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
redhat	kernel-0:5.14.0-427.13.1.el9_4	2024-04-30	redhat
redhat	kernel-rt-0:5.14.0-284.57.1.rt14.342.el9_2	2024-03-13	redhat
redhat	kernel-rt-0:5.14.0-70.93.1.rt21.165.el9_0	2024-03-13	redhat
redhat	kernel-0:5.14.0-284.57.1.el9_2	2024-03-13	redhat
redhat	kernel-0:5.14.0-70.93.2.el9_0	2024-03-12	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-770Allocation of Resources Without Limits or Throttling

All Vendor Advisories

(6)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 10× in last 7d / 19× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 16:21 UTCEG score recompute
2026-05-25 16:21 UTCVendor advisory
2026-05-25 16:20 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2022-0480?

CVE-2022-0480 is a medium vulnerability published on August 29, 2022. 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.

When was CVE-2022-0480 disclosed?

CVE-2022-0480 was first published in the National Vulnerability Database on August 29, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-0480 actively exploited?

CVE-2022-0480 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 6.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-0480?

CVE-2022-0480 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2022-0480?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-0480, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2022-0480

Published

Last Modified

References (12)

Patch Availability(5)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-0480?

Same vendor

Same CWE

CVE-2022-0480

📅 Published

🔄 Last Modified

🔗 References (12)

Patch Availability(5)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-0480?

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References (12)

Frequently asked(5)

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