CVE-2022-23222

HIGHNVD 7.87.8—Elevated

7.8

kernel/bpf/verifier.c in the Linux kernel through 5.15.14 allows local users to gain privileges because of the availability of pointer arithmetic via certain *_OR_NULL pointer types.

CVSS v3: 7.8
EG Score: 7.8(medium)
EPSS: 78.4%
KEV: Not listed

Published

January 14, 2022

Last Modified

November 21, 2024

References (24)

cve@mitrehttp://www.openwall.com/lists/oss-security/2022/01/14/1
cve@mitrehttp://www.openwall.com/lists/oss-security/2022/01/18/2
cve@mitrehttp://www.openwall.com/lists/oss-security/2022/06/01/1
cve@mitrehttp://www.openwall.com/lists/oss-security/2022/06/04/3
cve@mitrehttp://www.openwall.com/lists/oss-security/2022/06/07/3
cve@mitrehttps://bugzilla.suse.com/show_bug.cgi?id=1194765
cve@mitrehttps://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=64620e0a1e712a778095bd35cbb277dc2259281f
cve@mitrehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FCR3LIRUEXR7CA63W5M2HT3K63MZGKBR/
cve@mitrehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z5VTIZZUPC73IEJNZX66BY2YCBRZAELB/
cve@mitrehttps://security.netapp.com/advisory/ntap-20220217-0002/
cve@mitrehttps://www.debian.org/security/2022/dsa-5050
cve@mitrehttps://www.openwall.com/lists/oss-security/2022/01/13/1
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2022/01/14/1
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2022/01/18/2
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2022/06/01/1

Patch Availability(8)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	linux-image-unsigned-5.13.0-37-lowlatency (5.13.0-37.42) @ impish	2026-05-23	ubuntu
ubuntu	linux-buildinfo-5.14.0-1022-oem (5.14.0-1022.24) @ focal	2026-05-23	ubuntu
ubuntu	linux-tools-5.13.0-1021-azure (5.13.0-1021.24~20.04.1) @ focal	2026-05-23	ubuntu
ubuntu	linux-image-unsigned-5.13.0-1010-intel (5.13.0-1010.10) @ focal	2026-05-23	ubuntu
redhat	kernel-0:4.18.0-477.81.1.el8_8	2024-11-26	redhat
redhat	kernel-0:4.18.0-553.el8_10	2024-05-22	redhat
redhat	kernel-rt-0:4.18.0-553.rt7.342.el8_10	2024-05-22	redhat
redhat	kernel-0:4.18.0-372.91.1.el8_6	2024-02-07	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-476NULL Pointer Dereference

All Vendor Advisories

(9)

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 14× in last 7d / 20× 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.

2026-06-05 06:09 UTCepss_batch
2026-06-05 06:09 UTCepss_batch
2026-06-04 13:11 UTCepss_batch
2026-06-04 13:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
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
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 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
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch

Publicly available exploits

(2 references)

Working exploit code is in the public domain (2 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

GitHub PoCPenteraIO/CVE-2022-23222-POC
First seen Jun 22, 2022
Open source ↗
GitHub PoCtr3ee/CVE-2022-23222
First seen Jun 7, 2022
CVE-2022-23222: Linux Kernel eBPF Local Privilege Escalation
Open source ↗

Frequently asked(5)

What is CVE-2022-23222?

CVE-2022-23222 is a high vulnerability published on January 14, 2022. kernel/bpf/verifier.c in the Linux kernel through 5.15.14 allows local users to gain privileges because of the availability of pointer arithmetic via certain *ORNULL pointer types.

When was CVE-2022-23222 disclosed?

CVE-2022-23222 was first published in the National Vulnerability Database on January 14, 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-2022-23222 actively exploited?

CVE-2022-23222 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 78.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-23222?

CVE-2022-23222 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2022-23222?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-23222, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-23222

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CVE-2022-23222

Published

Last Modified

References (24)

Patch Availability(8)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Publicly available exploits

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-23222?

Same vendor

Same CWE

CVE-2022-23222

📅 Published

🔄 Last Modified

🔗 References (24)

Patch Availability(8)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-23222?

🔗 Related CVEs(same vendor + same CWE)

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Last Modified

References (24)

Frequently asked(5)

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