CVE-2022-33981

LOWNVD 3.33.3—Elevated

3.3

drivers/block/floppy.c in the Linux kernel before 5.17.6 is vulnerable to a denial of service, because of a concurrency use-after-free flaw after deallocating raw_cmd in the raw_cmd_ioctl function.

CVSS v3: 3.3
EG Score: 3.3(medium)
EPSS: 5.2%
KEV: Not listed

Published

June 18, 2022

Last Modified

May 5, 2025

References (12)

cve@mitrehttps://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.6
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/225362
cve@mitrehttps://github.com/torvalds/linux/commit/233087ca063686964a53c829d547c7571e3f67bf
cve@mitrehttps://lists.debian.org/debian-lts-announce/2022/07/msg00000.html
cve@mitrehttps://seclists.org/oss-sec/2022/q2/66
cve@mitrehttps://www.debian.org/security/2022/dsa-5173
af854a3a-2127-422b-91ae-364da2661108https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.6
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/225362
af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/233087ca063686964a53c829d547c7571e3f67bf
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html
af854a3a-2127-422b-91ae-364da2661108https://seclists.org/oss-sec/2022/q2/66
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2022/dsa-5173

Patch Availability(6)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	linux-modules-5.4.0-122-generic-lpae (5.4.0-122.138) @ focal	2026-05-25	ubuntu
ubuntu	linux-image-lowlatency (5.15.0.41.40) @ jammy	2026-05-25	ubuntu
ubuntu	linux-headers-bluefield (5.4.0.1042.41) @ focal	2026-05-25	ubuntu
ubuntu	linux-image-4.15.0-191-generic-lpae (4.15.0-191.202) @ bionic	2026-05-25	ubuntu
ubuntu	linux-tools-aws-hwe (4.15.0.1139.126) @ xenial	2026-05-25	ubuntu
ubuntu	linux-tools-5.15.0-1013-intel-iotg (5.15.0-1013.17) @ jammy	2026-05-25	ubuntu

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-416Use After Free

All Vendor Advisories

(7)

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 13× in last 7d / 20× 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.

2026-06-08 14:15 UTCEPSS rescore
2026-06-08 14:15 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-05 22:46 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-04 13:11 UTCEPSS rescore
2026-06-04 13:11 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore

Frequently asked(5)

What is CVE-2022-33981?

CVE-2022-33981 is a low vulnerability published on June 18, 2022. drivers/block/floppy.c in the Linux kernel before 5.17.6 is vulnerable to a denial of service, because of a concurrency use-after-free flaw after deallocating rawcmd in the rawcmd_ioctl function.

When was CVE-2022-33981 disclosed?

CVE-2022-33981 was first published in the National Vulnerability Database on June 18, 2022, with the most recent update on May 5, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-33981 actively exploited?

CVE-2022-33981 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 5.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-33981?

CVE-2022-33981 has a CVSS v3 base score of 3.3 (NVD).

How do I remediate CVE-2022-33981?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-33981, 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-2022-33981

Published

Last Modified

References (12)

Patch Availability(6)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-33981?

Same vendor

Same CWE

CVE-2022-33981

📅 Published

🔄 Last Modified

🔗 References (12)

Patch Availability(6)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-33981?

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References (12)

Frequently asked(5)

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