Security readout for executives and security teams
CVE-2022-41218 is a Linux kernel memory safety flaw in the DVB media subsystem. A local user could trigger a crash or denial of service on affected kernels. The available sources point to availability impact, not data theft or remote compromise. Exposure is most likely on Linux systems running kernels through 5.19.10 with the DVB core/dmxdev code present and reachable by local users. Actual risk depends on distribution backports, loaded modules, hardware/device nodes, and local access controls. Treat this as a moderate-priority kernel patching item. It is not described as remotely exploitable, but it can affect system availability and should be prioritized on shared Linux systems, endpoints, and any host where untrusted local users or workloads exist. Mitigation focus: Update Linux kernel or vendor packages to include the upstream fix or distro equivalent.; Apply Debian DSA-5324 or listed DLA updates where applicable.; Check vendor kernel advisories if using non-Debian distributions or appliances..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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Open ATT&CK lookupCVE-2022-41218 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
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CVSS vector scores
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CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H1.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://lore.kernel.org/all/20220908132754.30532-1-tiwai%40suse.de/CVE reference
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/drivers/media/dvb-core/dmxdev.cCVE reference
- DSA-5324CVE reference · vendor-advisory
- [debian-lts-announce] 20230302 [SECURITY] [DLA 3349-1] linux-5.10 security updateCVE reference · mailing-list
- [debian-lts-announce] 20230503 [SECURITY] [DLA 3403-1] linux security updateCVE reference · mailing-list
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fd3d91ab1c6ab0628fe642dd570b56302c30a792CVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Use After Free
Use After Free represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.