CVE-2022-41218
- State
- Published
- Severity
- 5.5 Medium
- Published
- Sep 21, 2022
- Updated
- Oct 14, 2026
- Reserved
- Sep 21, 2022
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.5 Medium | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | CISA-ADP |
Weaknesses
- CWE-416 Use After Free
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- https://lore.kernel.org/all/20220908132754.30532-1-tiwai%40suse.de/
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/drivers/media/dvb-core/dmxdev.c
- [oss-security] 20220923 CVE-2022-41218: Linux dvb-core: UAF in dvb-core/dmxdevmailing-list
- [oss-security] 20220923 Re: [Report v2] CVE-2022-41218: Linux dvb-core: UAF in dvb-core/dmxdevmailing-list
- [oss-security] 20220923 [Report v2] CVE-2022-41218: Linux dvb-core: UAF in dvb-core/dmxdevmailing-list
- DSA-5324vendor-advisory
- [debian-lts-announce] 20230302 [SECURITY] [DLA 3349-1] linux-5.10 security updatemailing-list
- [debian-lts-announce] 20230503 [SECURITY] [DLA 3403-1] linux security updatemailing-list
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fd3d91ab1c6ab0628fe642dd570b56302c30a792
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html
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