NULL pointer dereference in Linux Kernel
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.019 (79.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 79.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.openwall.com/lists/oss-security/2022/01/13/1 (Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2022/01/14/1 (mailing-list, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2022/01/18/2 (mailing-list, Exploit, Mailing List, Third Party Advisory)
- www.debian.org/security/2022/dsa-5050 (vendor-advisory, Third Party Advisory)
- security.netapp.com/advisory/ntap-20220217-0002/ (Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- www.openwall.com/lists/oss-security/2022/06/01/1 (mailing-list, Patch, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2022/06/04/3 (mailing-list, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2022/06/07/3 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-23222?
- CVE-2022-23222 is a high-severity vulnerability in Linux Kernel, classified under NULL Pointer Dereference. CVSS score: 7.8/10. Published 2022-01-14.
- How severe is CVE-2022-23222?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2022-23222 known to be exploited?
- 75 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.