Use After Free in Linux Kernel
CVE-2022-41218
In drivers/media/dvb-core/dmxdev.c in the Linux kernel through 5.19.10, there is a use-after-free caused by refcount races, affecting dvb_demux_open and dvb_dmxdev_release.
Vulnerability class: Use-After-Free
EPSS: 0.008 (52.2th percentile) — read the EPSS interpretation.
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.
Affected products
- Linux Linux_kernel
- Debian Debian_linux — versions 11.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org
- cve@mitre.org (Vendor Advisory)
- cve@mitre.org (mailing-list, Exploit, Mailing List, Third Party Advisory)
- cve@mitre.org (mailing-list, Mailing List, Third Party Advisory)
- cve@mitre.org (mailing-list, Exploit, Mailing List, Third Party Advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory)
- cve@mitre.org (mailing-list)
- cve@mitre.org (mailing-list)
- cve@mitre.org
Frequently asked questions
- What is CVE-2022-41218?
- CVE-2022-41218 is a medium-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 5.5/10. Published 2022-09-21.
- How severe is CVE-2022-41218?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2022-41218 known to be exploited?
- 30 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.