CVE-2022-28893

HIGHNVD 7.87.8—

7.8

The SUNRPC subsystem in the Linux kernel through 5.17.2 can call xs_xprt_free before ensuring that sockets are in the intended state.

CVSS v3: 7.8
EG Score: 7.8(medium)
EPSS: 8.5%
KEV: Not listed

Published

April 11, 2022

Last Modified

November 21, 2024

References (12)

cve@mitrehttp://www.openwall.com/lists/oss-security/2022/04/11/3
cve@mitrehttp://www.openwall.com/lists/oss-security/2022/04/11/4
cve@mitrehttp://www.openwall.com/lists/oss-security/2022/04/11/5
cve@mitrehttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1a3b1bba7c7a5eb8a11513cf88427cb9d77bc60a
cve@mitrehttps://security.netapp.com/advisory/ntap-20220526-0002/
cve@mitrehttps://www.debian.org/security/2022/dsa-5161
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2022/04/11/3
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2022/04/11/4
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2022/04/11/5
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1a3b1bba7c7a5eb8a11513cf88427cb9d77bc60a
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20220526-0002/
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2022/dsa-5161

Patch Availability(10)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	linux-modules-extra-5.15.0-1016-gcp (5.15.0-1016.21) @ jammy	2026-05-26	ubuntu
ubuntu	linux-image-lowlatency (5.15.0.43.41) @ jammy	2026-05-26	ubuntu
ubuntu	linux-tools-azure-fde (5.4.0.1089.94+cvm1.29) @ focal	2026-05-26	ubuntu
ubuntu	linux-tools-5.15.0-1013-intel-iotg (5.15.0-1013.17) @ jammy	2026-05-26	ubuntu
ubuntu	linux-image-lowlatency (5.4.0.124.125) @ focal	2026-05-26	ubuntu
redhat	kernel-0:4.18.0-372.91.1.el8_6	2024-02-07	redhat
redhat	kernel-0:5.14.0-162.6.1.el9_1	2022-11-15	redhat
redhat	kernel-rt-0:5.14.0-162.6.1.rt21.168.el9_1	2022-11-15	redhat
redhat	kernel-rt-0:4.18.0-425.3.1.rt7.213.el8	2022-11-08	redhat
redhat	kernel-0:4.18.0-425.3.1.el8	2022-11-08	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-416Use After Free

All Vendor Advisories

(11)

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
2026-06-07 15:23 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-05 22:45 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
2026-06-02 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

Frequently asked(5)

What is CVE-2022-28893?

CVE-2022-28893 is a high vulnerability published on April 11, 2022. The SUNRPC subsystem in the Linux kernel through 5.17.2 can call xsxprtfree before ensuring that sockets are in the intended state.

When was CVE-2022-28893 disclosed?

CVE-2022-28893 was first published in the National Vulnerability Database on April 11, 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-2022-28893 actively exploited?

CVE-2022-28893 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 8.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-28893?

CVE-2022-28893 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2022-28893?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-28893, 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-2022-28893

Published

Last Modified

References (12)

Patch Availability(10)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-28893?

Same vendor

Same CWE

CVE-2022-28893

📅 Published

🔄 Last Modified

🔗 References (12)

Patch Availability(10)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-28893?

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References (12)

Frequently asked(5)

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