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.
CVE-2022-0480
Score 5.5 from GitHub Security Advisory published 2022-08-29. NVD baseline CVSS 5.5; sources differ by 0.0.
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v3
- 5.5
- EG Score
- 5.5(medium)
- EG Risk
- 29(Track)EG Risk 29/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity55% × 45%Exploitation0% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 21%
- 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
Vendor Advisories for CVE-2022-0480(3)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
- RHSA-2024:2394Red Hat Product SecurityHigh
Red Hat Security Advisory: kernel security, bug fix, and enhancement update
- RHSA-2024:1306Red Hat Product SecurityHigh
Red Hat Security Advisory: kernel-rt security and bug fix update
- RHSA-2024:1250Red Hat Product SecurityHigh
Red Hat Security Advisory: kernel security and bug fix update
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.
Affected Packages
(4 across 4 ecosystems)
Debian:11(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | 5.10.103-1 ... 7.2~rc5-1~exp1 (496 versions) | — | — |
Debian:12(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 5.15.3-1 | — |
Debian:13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 5.15.3-1 | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 5.15.3-1 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Additional Vendor Advisories
(3)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
- Microsoft MSRCCVE-2022-04802025-10-02
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.
- Red HatRHSA-2024:1303MODERATE2022-01-03
RHSA-2024:1303 — Moderate
- Red HatRHSA-2024:1304MODERATE2022-01-03
RHSA-2024:1304 — Moderate
Data Freshness Timeline
(refreshed 8× in last 7d / 27× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 148 total refreshes for this CVE.
- 2026-09-07 15:58 UTCEPSS rescore
- 2026-09-06 13:45 UTCEPSS rescore
- 2026-09-05 15:25 UTCEPSS rescore
- 2026-09-05 04:48 UTCOSV refresh
- 2026-09-04 13:57 UTCEPSS rescore
- 2026-09-04 05:03 UTCEPSS rescore
- 2026-09-02 14:09 UTCEPSS rescore
- 2026-09-01 13:51 UTCEPSS rescore
- 2026-08-30 19:14 UTCEPSS rescore
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- 2026-08-21 23:46 UTCEPSS rescore
- 2026-08-20 22:52 UTCEPSS rescore
- 2026-08-19 17:01 UTCEPSS rescore
- 2026-08-18 15:28 UTCOSV refresh
- 2026-08-18 13:45 UTCEPSS rescore
- 2026-08-17 13:44 UTCEPSS rescore
- 2026-08-16 14:53 UTCEPSS rescore
- 2026-08-16 02:11 UTCEPSS rescore
- 2026-08-15 01:27 UTCEPSS rescore
- 2026-08-13 21:57 UTCEPSS rescore
- 2026-08-12 13:48 UTCEPSS rescore
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- 2026-08-11 13:38 UTCEPSS rescore
- 2026-08-09 13:44 UTCEPSS rescore
- 2026-08-08 16:34 UTCEPSS rescore
- 2026-08-07 16:24 UTCEPSS rescore
- 2026-08-06 13:44 UTCEPSS rescore
- 2026-08-05 19:15 UTCEPSS rescore
- 2026-08-04 15:06 UTCEPSS rescore
- 2026-08-04 10:34 UTCEPSS rescore
- 2026-08-03 11:27 UTCOSV refresh
- 2026-08-03 10:33 UTCEPSS rescore
- 2026-08-02 02:24 UTCEPSS rescore
- 2026-08-01 04:13 UTCEPSS rescore
- 2026-07-30 16:25 UTCEPSS rescore
- 2026-07-30 01:28 UTCEPSS rescore
- 2026-07-28 15:33 UTCEPSS rescore
- 2026-07-26 14:52 UTCEPSS rescore
- 2026-07-25 14:15 UTCEPSS rescore
- 2026-07-24 14:15 UTCEPSS rescore
- 2026-07-24 14:15 UTCEPSS rescore
- 2026-07-23 14:16 UTCEPSS rescore
- 2026-07-23 02:06 UTCEG score recompute
- 2026-07-22 22:53 UTCEG score recompute
- 2026-07-22 14:06 UTCEPSS rescore
- 2026-07-21 15:22 UTCEPSS rescore
- 2026-07-21 15:22 UTCEPSS rescore
- 2026-07-20 17:05 UTCEPSS rescore
- 2026-07-19 14:29 UTCEPSS rescore
- 2026-07-19 02:27 UTCEPSS rescore
- 2026-07-19 02:27 UTCEPSS rescore
- 2026-07-18 10:02 UTCEPSS rescore
- 2026-07-16 20:50 UTCOSV refresh
- 2026-07-16 17:00 UTCEPSS rescore
- 2026-07-16 17:00 UTCEPSS rescore
- 2026-07-15 16:55 UTCEPSS rescore
- 2026-07-15 01:58 UTCEPSS rescore
- 2026-07-15 01:58 UTCEPSS rescore
- 2026-07-13 22:27 UTCEPSS rescore
- 2026-07-13 06:11 UTCEPSS rescore
- 2026-07-13 06:11 UTCEPSS rescore
- 2026-07-12 05:44 UTCEPSS rescore
- 2026-07-11 08:25 UTCEPSS rescore
- 2026-07-09 19:07 UTCEPSS rescore
- 2026-07-09 19:07 UTCEPSS rescore
- 2026-07-08 15:12 UTCEPSS rescore
- 2026-07-08 15:12 UTCEPSS rescore
- 2026-07-07 13:43 UTCEPSS rescore
- 2026-07-06 16:25 UTCEPSS rescore
- 2026-07-06 16:25 UTCEPSS rescore
- 2026-07-06 02:21 UTCEPSS rescore
- 2026-07-06 02:21 UTCEPSS rescore
- 2026-07-05 02:28 UTCEPSS rescore
- 2026-07-05 02:28 UTCEPSS rescore
- 2026-07-04 06:29 UTCEPSS rescore
- 2026-07-04 06:29 UTCEPSS rescore
- 2026-07-01 15:04 UTCEPSS rescore
- 2026-06-30 23:20 UTCEPSS rescore
- 2026-06-29 14:04 UTCEPSS rescore
- 2026-06-29 14:04 UTCEPSS rescore
- 2026-06-28 19:32 UTCOSV refresh
- 2026-06-28 14:05 UTCEPSS rescore
- 2026-06-28 04:54 UTCEPSS rescore
- 2026-06-28 04:54 UTCEPSS rescore
- 2026-06-27 03:07 UTCEPSS rescore
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- 2026-06-25 13:48 UTCEPSS rescore
- 2026-06-25 13:48 UTCEPSS rescore
- 2026-06-24 14:03 UTCEPSS rescore
- 2026-06-24 14:03 UTCEPSS rescore
- 2026-06-23 21:31 UTCEPSS rescore
- 2026-06-23 21:31 UTCEPSS rescore
- 2026-06-22 14:24 UTCEPSS rescore
- 2026-06-21 14:55 UTCEPSS rescore
- 2026-06-21 01:58 UTCEPSS rescore
- 2026-06-21 01:58 UTCEPSS rescore
- 2026-06-19 19:24 UTCEPSS rescore
Frequently asked(5)
What is CVE-2022-0480?
When was CVE-2022-0480 disclosed?
Is CVE-2022-0480 actively exploited?
What is the CVSS score of CVE-2022-0480?
How do I remediate CVE-2022-0480?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-0480
Is Your Infrastructure Affected by CVE-2022-0480?
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