Use After Free in Linux Kernel
CVE-2022-41222
mm/mremap.c in the Linux kernel before 5.13.3 has a use-after-free via a stale TLB because an rmap lock is not held during a PUD move.
Vulnerability class: Use-After-Free
EPSS: 0.004 (36.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Linux Linux_kernel
- Netapp Hci_baseboard_management_controller — versions h300s, h410c, h410s
- Canonical Ubuntu_linux — versions 18.04, 20.04, 22.04
- Debian Debian_linux — versions 10.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Release Notes, Vendor Advisory)
- cve@mitre.org (Exploit, Patch, Mailing List, Third Party Advisory, Issue Tracking)
- cve@mitre.org (Patch, Vendor Advisory)
- cve@mitre.org (VDB Entry, Third Party Advisory)
- cve@mitre.org (mailing-list, Mailing List, Third Party Advisory)
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-41222?
- CVE-2022-41222 is a high-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 7.0/10. Published 2022-09-21.
- How severe is CVE-2022-41222?
- High severity. CVSS v3 base score is 7.0 out of 10.
- Is CVE-2022-41222 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.