An issue was discovered in the Linux kernel through 6.0.10. In drivers/media/dvb-core/dvb_ca_en50221.c, a use-after-free can occur is there is a disconnect after an open, because of the lack of a wait_event.
CVE-2022-45919
Score 7.0 from GitHub Security Advisory (severity: HIGH) published 2022-11-27. NVD baseline CVSS 7.0; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 7.0
- EG Score
- 7.0(medium)
- EPSS
- 16.5%
- KEV
- Not listed
Published
November 27, 2022
Last Modified
November 21, 2024
References (6)
- cve@mitrehttps://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=280a8ab81733da8bc442253c700a52c4c0886ffd
- cve@mitrehttps://lore.kernel.org/linux-media/20221121063308.GA33821%40ubuntu/T/#u
- cve@mitrehttps://security.netapp.com/advisory/ntap-20230113-0008/
- af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=280a8ab81733da8bc442253c700a52c4c0886ffd
- af854a3a-2127-422b-91ae-364da2661108https://lore.kernel.org/linux-media/20221121063308.GA33821%40ubuntu/T/#u
- af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20230113-0008/
Vendor Advisories for CVE-2022-45919(2)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Patch Availability(6)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | linux-virtual-hwe-22.04-edge (6.2.0.34.34) @ lunar | 2026-05-25 | ubuntu |
| ubuntu | linux-tools-nvidia-hwe-22.04-edge (6.2.0.1011.13) @ jammy | 2026-05-25 | ubuntu |
| redhat | kernel-rt-0:4.18.0-513.9.1.rt7.311.el8_9 | 2023-11-28 | redhat |
| redhat | kernel-0:4.18.0-513.9.1.el8_9 | 2023-11-28 | redhat |
| redhat | kernel-0:4.18.0-477.36.1.el8_8 | 2023-11-28 | redhat |
| redhat | kernel-0:4.18.0-372.80.1.el8_6 | 2023-11-21 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Additional Vendor Advisories
(5)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
- Microsoft MSRCCVE-2022-459192022-11-29
An issue was discovered in the Linux kernel through 6.0.10. In drivers/media/dvb-core/dvb_ca_en50221.c a use-after-free can occur is there is a disconnect after an open because of the lack of a wait_event.
- Red HatRHSA-2023:7548MODERATE2022-11-21
RHSA-2023:7548 — Moderate
- Red HatRHSA-2023:7549MODERATE2022-11-21
RHSA-2023:7549 — Moderate
- UbuntuUSN-6412-1LOW
Linux kernel vulnerabilities
- UbuntuUSN-6466-1LOW
Linux kernel (NVIDIA) vulnerabilities
Data Freshness Timeline
(refreshed 8× in last 7d / 43× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-11 08:25 UTCEPSS rescore
- 2026-07-11 08:25 UTCEPSS rescore
- 2026-07-09 19:08 UTCEPSS rescore
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- 2026-06-29 14:04 UTCEPSS rescore
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- 2026-06-28 14:06 UTCEPSS rescore
- 2026-06-28 13:19 UTCOSV refresh
- 2026-06-28 04:54 UTCEPSS rescore
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- 2026-06-27 03:07 UTCEPSS rescore
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- 2026-06-25 13:48 UTCEPSS rescore
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- 2026-06-24 14:03 UTCEPSS rescore
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- 2026-06-23 21:31 UTCEPSS rescore
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- 2026-06-11 13:58 UTCEPSS rescore
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- 2026-06-10 23:39 UTCOSV refresh
- 2026-06-10 22:17 UTCEPSS rescore
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- 2026-05-29 13:43 UTCEPSS rescore
- 2026-05-28 13:43 UTCEPSS rescore
- 2026-05-28 13:43 UTCEPSS rescore
- 2026-05-27 13:39 UTCEPSS rescore
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- 2026-05-26 13:43 UTCEPSS rescore
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- 2026-05-26 07:17 UTCEPSS rescore
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- 2026-05-26 07:17 UTCEPSS rescore
- 2026-05-25 11:31 UTCEG score recompute
- 2026-05-25 11:31 UTCVendor advisory
- 2026-05-25 11:31 UTCGHSA enrichment
- 2026-05-24 04:32 UTCOSV refresh
Frequently asked(5)
What is CVE-2022-45919?
When was CVE-2022-45919 disclosed?
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What is the CVSS score of CVE-2022-45919?
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