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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…
Medium5.5EPSS 0.83%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.83% · top 42% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
Affected products
n/a
- affected n/a
References (10)
- https://lore.kernel.org/all/20220908132754.30532-1-tiwai%40suse.de/ (opens in a new tab)x_transferred
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/drivers/media/dvb-core/dmxdev.c (opens in a new tab)x_transferred
- [oss-security] 20220923 CVE-2022-41218: Linux dvb-core: UAF in dvb-core/dmxdev (opens in a new tab)mailing-listx_transferred
- [oss-security] 20220923 Re: [Report v2] CVE-2022-41218: Linux dvb-core: UAF in dvb-core/dmxdev (opens in a new tab)mailing-listx_transferred
- [oss-security] 20220923 [Report v2] CVE-2022-41218: Linux dvb-core: UAF in dvb-core/dmxdev (opens in a new tab)mailing-listx_transferred
- DSA-5324 (opens in a new tab)vendor-advisoryx_transferred
- [debian-lts-announce] 20230302 [SECURITY] [DLA 3349-1] linux-5.10 security update (opens in a new tab)mailing-listx_transferred
- [debian-lts-announce] 20230503 [SECURITY] [DLA 3403-1] linux security update (opens in a new tab)mailing-listx_transferred
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fd3d91ab1c6ab0628fe642dd570b56302c30a792 (opens in a new tab)x_transferred
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-41218)Record last updated .