What is CVE-2022-23222?

CVE-2022-23222 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, classified as a NULL Pointer Dereference flaw (CWE-476). CVE-2022-23222 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

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

CVE-2022-23222 has a CVSS score of 7.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2022-23222?

No patch is currently available for CVE-2022-23222. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2022-23222 actively exploited?

CVE-2022-23222 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is NULL Pointer Dereference (CWE-476)?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/476.html

CVE-2022-23222

High

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.

Package Linux Kernel

Published 2022-01-14

Last modified 2024-11-21

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

7.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness type

CWE-476

CVE-2022-23222 is a NULL Pointer Dereference vulnerability

What is NULL Pointer Dereference?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2022-23222 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Openwall
http://www.openwall.com/lists/oss-security/2022/01/14/1

Mailing List Third Party Advisory
Openwall
http://www.openwall.com/lists/oss-security/2022/01/18/2

Exploit Mailing List Third Party Advisory
Openwall
http://www.openwall.com/lists/oss-security/2022/06/04/3

Mailing List Third Party Advisory
Openwall
http://www.openwall.com/lists/oss-security/2022/06/07/3

Mailing List Third Party Advisory
SUSE
https://bugzilla.suse.com/show_bug.cgi?id=1194765
Lists
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FCR3LIRUEXR7CA63W5M2HT3K63MZGKBR/
Lists
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z5VTIZZUPC73IEJNZX66BY2YCBRZAELB/
Security
https://security.netapp.com/advisory/ntap-20220217-0002/

Third Party Advisory
Debian Security
https://www.debian.org/security/2022/dsa-5050

Third Party Advisory
Openwall
https://www.openwall.com/lists/oss-security/2022/01/13/1

Mailing List Third Party Advisory
Kernel patch commit
http://www.openwall.com/lists/oss-security/2022/06/01/1
Patch
Kernel patch commit
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=64620e0a1e712a778095bd35cbb277dc2259281f
Patch

Details

CVE ID CVE-2022-23222

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2022-01-14

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2022-23222?

CVE-2022-23222 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . CVE-2022-23222 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-23222?

CVE-2022-23222 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2022-23222?

No patch is currently available for CVE-2022-23222. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2022-23222 actively exploited?

No — CVE-2022-23222 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is NULL Pointer Dereference (CWE-476)?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. View CWE-476 on MITRE CWE →