What’s Vulnerable › Vulnerabilities

CVE-2022-23222

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-01-14 · updated 2026-06-17
• Weakness: CWE-476

Description

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.

Affected products

• Debian Linux: 11.0
• Fedoraproject Fedora: 34, 35
• Linux kernel: from 5.8.0 before 5.15.37; from 5.16 before 5.16.11 — fixed in 5.15.37, 5.16.11
• NetApp H300E Firmware: all versions
• NetApp H300S Firmware: all versions
• NetApp H410C Firmware: all versions
• NetApp H410S Firmware: all versions
• NetApp H500E Firmware: all versions
• NetApp H500S Firmware: all versions
• NetApp H700E Firmware: all versions
• NetApp H700S Firmware: all versions

How to fix

Upgrade to a fixed version: Linux kernel 5.15.37, 5.16.11. Check the vendor advisory for mitigations.

References

• http://www.openwall.com/lists/oss-security/2022/01/14/1
• http://www.openwall.com/lists/oss-security/2022/01/18/2
• http://www.openwall.com/lists/oss-security/2022/06/01/1
• http://www.openwall.com/lists/oss-security/2022/06/04/3
• http://www.openwall.com/lists/oss-security/2022/06/07/3
• https://bugzilla.suse.com/show_bug.cgi?id=1194765
• https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=64620e0a1e712a778095bd35cbb277dc2259281f
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FCR3LIRUEXR7CA63W5M2HT3K63MZGKBR/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z5VTIZZUPC73IEJNZX66BY2YCBRZAELB/
• https://security.netapp.com/advisory/ntap-20220217-0002/
• https://www.debian.org/security/2022/dsa-5050
• https://www.openwall.com/lists/oss-security/2022/01/13/1

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