CVE-2022-45884 — An issue was discovered in the Linux kernel through 6
An issue was discovered in the Linux kernel through 6.0.9. drivers/media/dvb-core/dvbdev.c has a use-after-free, related to dvb_register_device dynamically allocating fops.
Published
2022-11-25T04:15:09.180
Last modified
2026-08-13T19:31:36.657
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
01What is this vulnerability?
An issue was discovered in the Linux kernel through 6.0.9. drivers/media/dvb-core/dvbdev.c has a use-after-free, related to dvb_register_device dynamically allocating fops.
02Affected products
No structured affected-product list available — see references below for vendor advisories.
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2022-11-25T04:15:09.180
- Last modified: 2026-08-13T19:31:36.657
09References
- git.kernel.org — https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=627bb…
- lore.kernel.org — https://lore.kernel.org/linux-media/20221115131822.6640-1-imv4bel%40gmail.com/
- lore.kernel.org — https://lore.kernel.org/linux-media/20221115131822.6640-4-imv4bel%40gmail.com/
- security.netapp.com — https://security.netapp.com/advisory/ntap-20230113-0006/
- git.kernel.org — https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=627bb…
- lore.kernel.org — https://lore.kernel.org/linux-media/20221115131822.6640-1-imv4bel%40gmail.com/
- lore.kernel.org — https://lore.kernel.org/linux-media/20221115131822.6640-4-imv4bel%40gmail.com/
- security.netapp.com — https://security.netapp.com/advisory/ntap-20230113-0006/
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