VulnerabilityModified
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.
MEDIUM 5.5EPSS 0.80%
Does this matter?
Lower severity and a low EPSS score (0.80%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.80% probability · 54th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- linux/linux kernel · debian/debian linux
- Source
- cve@mitre.org
References
- http://www.openwall.com/lists/oss-security/2022/09/23/4Exploit, Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2022/09/24/1Exploit, Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2022/09/24/2Mailing List, Third Party Advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fd3d91ab1c6ab0628fe642dd570b56302c30a792
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/drivers/media/dvb-core/dmxdev.cVendor Advisory
- https://lists.debian.org/debian-lts-announce/2023/03/msg00000.html
- https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
- https://lore.kernel.org/all/20220908132754.30532-1-tiwai%40suse.de/
- https://www.debian.org/security/2023/dsa-5324Third Party Advisory
- http://www.openwall.com/lists/oss-security/2022/09/23/4Exploit, Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2022/09/24/1Exploit, Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2022/09/24/2Mailing List, Third Party Advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fd3d91ab1c6ab0628fe642dd570b56302c30a792
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/drivers/media/dvb-core/dmxdev.cVendor Advisory
- https://lists.debian.org/debian-lts-announce/2023/03/msg00000.html
- https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
- https://lore.kernel.org/all/20220908132754.30532-1-tiwai%40suse.de/
- https://www.debian.org/security/2023/dsa-5324Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.