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Public proof of conceptFix available

CVE-2022-23222

A public proof of concept exists; no exploitation attested.

  • Published2022-01-14
  • WeaknessCWE-476

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2022-01-1408:15CVE publishedNVD

Versions per branch

NVD
Fedoraproject fedora
BranchAffectedFixed in
34.x= 34no fix published
35.x= 35no fix published
Linux linux kernel
BranchAffectedFixed in
5.16≥ 5.16, < 5.16.115.16.11
5.x≥ 5.8.0, < 5.15.375.15.37
Debian debian linux
BranchAffectedFixed in
11.0= 11.0no fix published

8 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • :linux_kernel:Androidfrom :0 · fixed in :2022-06-05
  • dtb-aarch64openSUSE:Leap 15.5all versions · fixed in 5.14.21-150500.55.80.1and 3 other packages
  • dtb-aarch64openSUSE:Leap 15.4all versions · fixed in 5.14.21-150400.24.11.1and 10 other packages
  • kernelRocky Linux:8all versions · fixed in 0:4.18.0-553.el8_10
  • kernelRocky Linux:8all versions · fixed in 0:4.18.0-553.123.1.el8_10.cloud.0.1
  • kernelRed Hat:rhel_eus:8.8::baseosall versions · fixed in 0:4.18.0-477.81.1.el8_8and 32 other packages
  • kernelRed Hat:rhel_eus:8.6::baseosall versions · fixed in 0:4.18.0-372.91.1.el8_6and 32 other packages
  • kernelRed Hat:enterprise_linux:8::baseosall versions · fixed in 0:4.18.0-553.el8_10and 32 other packages

56 more package ranges on OSV.dev

Vendor advisories

  • CVE-2022-23222 Red Hat Product Security399 products fixed · 137 known affected

    kernel: local privileges escalation in kernel/bpf/verifier.c

    bpftool as a component of Red Hat Enterprise Linux 7 · kernel as a component of Red Hat Enterprise Linux 7 · kernel-abi-whitelists as a component of Red Hat Enterprise Linux 7 · +134 more

  • RHSA-2024:10262 Red Hat Product Security120 products fixed

    Red Hat Security Advisory: kernel security update

  • RHSA-2024:2950 Red Hat Product Security30 products fixed

    Red Hat Security Advisory: kernel-rt security and bug fix update

  • RHSA-2024:3138 Red Hat Product Security120 products fixed

    Red Hat Security Advisory: kernel security, bug fix, and enhancement update

  • RHSA-2024:0724 Red Hat Product Security129 products fixed

    Red Hat Security Advisory: kernel security and bug fix update

Full record on NVD

Fix

  1. Vendor fix Red Hat Product Security RHSA-2024:10262 · 120 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 The system must be rebooted for this update to take effect.
  2. Workaround from the vendor Red Hat Product Security RHSA-2024:10262 · 120 productsMitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
  3. No fix planned, says the vendor Red Hat Product Security CVE-2022-23222 · 28 productsOut of support scope
  4. No fix planned, says the vendor Red Hat Product Security CVE-2022-23222 · 109 productsWill not fix

Advisories and patches

Detection

read 2026-11-01 01:02 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2022-01-14
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-jjwq-78g3-m34w

Frequently asked questions

What is CVE-2022-23222?

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.

Is CVE-2022-23222 actively exploited?

Active exploitation of CVE-2022-23222 has not been confirmed. Its EPSS score was 2.0% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

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

CVE-2022-23222 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record