NULL pointer dereference in Linux Kernel
CVE-2022-42722
In the Linux kernel 5.8 through 5.19.x before 5.19.16, local attackers able to inject WLAN frames into the mac80211 stack could cause a NULL pointer dereference denial-of-service attack against the beacon protection of P2P devices.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.006 (45.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000
Affected products
- Linux Kernel
- Debian Linux — versions 10.0, 11.0
- Fedoraproject Fedora — versions 35, 36, 37
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.suse.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- www.openwall.com/lists/oss-security/2022/10/13/5 (Exploit, Mailing List, Third Party Advisory)
- git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless.git/commit/ (Patch, Mailing List, Vendor 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)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- www.debian.org/security/2022/dsa-5257 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2022/11/msg00001.html (mailing-list, Mailing List, Third Party Advisory)
- packetstormsecurity.com/files/169951/Kernel-Live-Patch-Security-Notice-LSN-0090… (VDB Entry, Third Party Advisory)
- security.netapp.com/advisory/ntap-20230203-0008/
Frequently asked questions
- What is CVE-2022-42722?
- CVE-2022-42722 is a medium-severity vulnerability in Linux Kernel, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2022-10-14.
- How severe is CVE-2022-42722?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2022-42722 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.