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)
- EG Risk
- 36(Track)EG Risk 36/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity70% × 45%Exploitation0% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 16%
- 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.
Affected Packages
(4 across 4 ecosystems)
Debian:11(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | 5.10.103-1 ... 5.10.92-2 (33 versions) | 5.10.191-1 | — |
Debian:12(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | 6.1.27-1 | 6.1.37-1 | — |
Debian:13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 6.3.7-1 | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 6.3.7-1 | — |
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 7× in last 7d / 35× 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.
Showing the most recent 100 of 141 total refreshes for this CVE.
- 2026-08-25 13:46 UTCEPSS rescore
- 2026-08-24 14:13 UTCEPSS rescore
- 2026-08-23 00:17 UTCEPSS rescore
- 2026-08-21 23:46 UTCEPSS rescore
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- 2026-08-18 09:52 UTCOSV refresh
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- 2026-08-03 10:33 UTCEPSS rescore
- 2026-08-03 04:57 UTCOSV refresh
- 2026-08-02 02:24 UTCEPSS rescore
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- 2026-07-23 02:15 UTCEG score recompute
- 2026-07-22 23:03 UTCEG score recompute
- 2026-07-22 14:06 UTCEPSS rescore
- 2026-07-21 15:23 UTCEPSS rescore
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- 2026-07-18 10:03 UTCEPSS rescore
- 2026-07-18 10:03 UTCEPSS rescore
- 2026-07-16 14:23 UTCOSV refresh
- 2026-07-15 16:56 UTCEPSS rescore
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- 2026-07-07 13:44 UTCEPSS rescore
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- 2026-07-05 02:28 UTCEPSS rescore
- 2026-07-04 06:29 UTCEPSS rescore
- 2026-07-02 16:58 UTCEPSS rescore
- 2026-07-01 15:04 UTCEPSS rescore
- 2026-06-30 23:20 UTCEPSS rescore
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- 2026-06-29 14:04 UTCEPSS rescore
- 2026-06-29 14:04 UTCEPSS rescore
- 2026-06-28 14:06 UTCEPSS rescore
- 2026-06-28 13:19 UTCOSV refresh
- 2026-06-28 04:54 UTCEPSS rescore
- 2026-06-28 04:54 UTCEPSS rescore
- 2026-06-27 03:07 UTCEPSS rescore
- 2026-06-27 03:07 UTCEPSS rescore
- 2026-06-25 13:48 UTCEPSS rescore
- 2026-06-25 13:48 UTCEPSS rescore
- 2026-06-24 14:03 UTCEPSS rescore
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- 2026-06-14 23:16 UTCEPSS rescore
- 2026-06-13 22:59 UTCEPSS rescore
- 2026-06-12 23:10 UTCEPSS rescore
Frequently asked(5)
What is CVE-2022-45919?
When was CVE-2022-45919 disclosed?
Is CVE-2022-45919 actively exploited?
What is the CVSS score of CVE-2022-45919?
How do I remediate CVE-2022-45919?
Dependency Blast Radius
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