A flaw in Linux Kernel found in nfcmrvl_nci_unregister_dev() in drivers/nfc/nfcmrvl/main.c can lead to use after free both read or write when non synchronized between cleanup routine and firmware download routine.
CVE-2022-1734
Score 7.0 from GitHub Security Advisory (severity: HIGH) published 2022-05-19. 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%Exploitation1% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 1%
- EPSS %ILE
- 44%
- KEV
- Not listed
Published
May 18, 2022
Last Modified
August 26, 2026
Advisory Details (6)
Auto-updated Aug 26, 2026[SECURITY] [DLA 3065-1] linux security update
https://lists.debian.org/debian-lts-announce/2022/07/msg00000.htmlcommit d270453a0d9e (torvalds/linux)
Fix landed in torvalds/linux commit d270453a0d9e — awaiting tagged release
https://github.com/torvalds/linux/commit/d270453a0d9ec10bb8a802a142fb1b3601a83098oss-security - Re: Linux kernel: UAF, null-ptr-deref and double-free vulnerabilities in nfcmrvl module
http://www.openwall.com/lists/oss-security/2022/06/09/1oss-security - Re: Linux kernel: UAF, null-ptr-deref and double-free vulnerabilities in nfcmrvl module
http://www.openwall.com/lists/oss-security/2022/06/05/4[SECURITY] [DSA 5173-1] linux security update
https://www.debian.org/security/2022/dsa-5173Vendor Advisories for CVE-2022-1734(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Patch Availability(10)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | linux-headers-4.4.0-229-lowlatency (4.4.0-229.263) @ xenial | 2026-08-26 | ubuntu |
| ubuntu | linux-image-4.4.0-1110-kvm (4.4.0-1110.120) @ xenial | 2026-08-26 | ubuntu |
| ubuntu | linux-image-lowlatency (5.15.0.41.40) @ jammy | 2026-08-26 | ubuntu |
| ubuntu | linux-image-4.15.0-191-generic-lpae (4.15.0-191.202) @ bionic | 2026-08-26 | ubuntu |
| ubuntu | linux-tools-aws-hwe (4.15.0.1139.126) @ xenial | 2026-08-26 | ubuntu |
| ubuntu | linux-image-lowlatency (5.4.0.124.125) @ focal | 2026-08-26 | ubuntu |
| ubuntu | linux-tools-5.15.0-1013-intel-iotg (5.15.0-1013.17) @ jammy | 2026-08-26 | ubuntu |
| ubuntu | linux-oem-22.04a (5.17.0.1011.10) @ jammy | 2026-08-26 | ubuntu |
| ubuntu | linux-modules-4.4.0-1109-aws (4.4.0-1109.115) @ trusty | 2026-08-26 | ubuntu |
| ubuntu | linux-tools-azure-fde (5.4.0.1089.94+cvm1.29) @ focal | 2026-08-26 | ubuntu |
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
(6 across 6 ecosystems)
Debian:10(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | 4.19.118-1 ... 4.19.98-1~bpo9+1 (39 versions) | 4.19.249-2 | — |
Debian:11(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | 5.10.103-1 ... 5.10.92-2 (13 versions) | 5.10.120-1 | — |
Debian:12(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 5.17.11-1 | — |
Debian:13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 5.17.11-1 | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 5.17.11-1 | — |
Debian:9(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | 4.9.107-1 ... 4.9.88-1~bpo8+1 (70 versions) | 4.9.320-2 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
All Vendor Advisories
(11)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
- Microsoft MSRCCVE-2022-17342022-06-02
A flaw in Linux Kernel found in nfcmrvl_nci_unregister_dev() in drivers/nfc/nfcmrvl/main.c can lead to use after free both read or write when non synchronized between cleanup routine and firmware download routine.
- UbuntuUSN-5471-1MEDIUM
Linux kernel (OEM) vulnerabilities
- UbuntuUSN-5500-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-5505-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-5513-1MEDIUM
Linux kernel (AWS) vulnerabilities
- UbuntuUSN-5518-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-5560-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-5560-2MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-5562-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-5564-1MEDIUM
Linux kernel (Intel IoTG) vulnerabilities
- UbuntuUSN-5582-1MEDIUM
Linux kernel (Azure CVM) vulnerabilities
Data Freshness Timeline
(refreshed 7× in last 7d / 29× 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 162 total refreshes for this CVE.
- 2026-09-19 15:38 UTCEPSS rescore
- 2026-09-18 19:24 UTCEPSS rescore
- 2026-09-17 19:23 UTCEPSS rescore
- 2026-09-16 14:05 UTCEPSS rescore
- 2026-09-16 14:05 UTCEPSS rescore
- 2026-09-15 03:06 UTCEPSS rescore
- 2026-09-14 19:14 UTCOSV refresh
- 2026-09-12 14:57 UTCEPSS rescore
- 2026-09-11 14:49 UTCEPSS rescore
- 2026-09-11 09:33 UTCEPSS rescore
- 2026-09-08 21:57 UTCEPSS rescore
- 2026-09-07 15:58 UTCEPSS rescore
- 2026-09-06 13:45 UTCEPSS rescore
- 2026-09-05 15:25 UTCEPSS rescore
- 2026-09-04 13:57 UTCEPSS rescore
- 2026-09-04 05:03 UTCEPSS rescore
- 2026-09-02 14:09 UTCEPSS rescore
- 2026-09-01 13:51 UTCEPSS rescore
- 2026-08-30 19:14 UTCEPSS rescore
- 2026-08-30 01:19 UTCEPSS rescore
- 2026-08-28 21:38 UTCEPSS rescore
- 2026-08-27 14:22 UTCEPSS rescore
- 2026-08-26 18:26 UTCEG score recompute
- 2026-08-26 18:26 UTCVendor advisory
- 2026-08-26 18:25 UTCGHSA enrichment
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- 2026-08-26 14:43 UTCEPSS rescore
- 2026-08-25 13:46 UTCEPSS rescore
- 2026-08-24 14:13 UTCEPSS rescore
- 2026-08-21 23:46 UTCEPSS rescore
- 2026-08-20 22:52 UTCEPSS rescore
- 2026-08-19 17:01 UTCEPSS rescore
- 2026-08-19 00:29 UTCOSV refresh
- 2026-08-18 13:45 UTCEPSS rescore
- 2026-08-17 13:44 UTCEPSS rescore
- 2026-08-16 14:53 UTCEPSS rescore
- 2026-08-16 02:11 UTCEPSS rescore
- 2026-08-15 01:27 UTCEPSS rescore
- 2026-08-13 21:57 UTCEPSS rescore
- 2026-08-12 13:48 UTCEPSS rescore
- 2026-08-11 13:38 UTCEPSS rescore
- 2026-08-09 13:44 UTCEPSS rescore
- 2026-08-08 16:34 UTCEPSS rescore
- 2026-08-07 16:24 UTCEPSS rescore
- 2026-08-06 13:44 UTCEPSS rescore
- 2026-08-05 19:15 UTCEPSS rescore
- 2026-08-04 15:06 UTCEPSS rescore
- 2026-08-04 10:34 UTCEPSS rescore
- 2026-08-03 19:57 UTCOSV refresh
- 2026-08-03 10:33 UTCEPSS rescore
- 2026-08-02 02:24 UTCEPSS rescore
- 2026-08-01 04:13 UTCEPSS rescore
- 2026-07-30 16:25 UTCEPSS rescore
- 2026-07-30 01:28 UTCEPSS rescore
- 2026-07-28 15:33 UTCEPSS rescore
- 2026-07-26 14:52 UTCEPSS rescore
- 2026-07-25 14:15 UTCEPSS rescore
- 2026-07-24 14:15 UTCEPSS rescore
- 2026-07-24 14:15 UTCEPSS rescore
- 2026-07-23 14:16 UTCEPSS rescore
- 2026-07-23 02:07 UTCEG score recompute
- 2026-07-22 22:53 UTCEG score recompute
- 2026-07-22 14:06 UTCEPSS rescore
- 2026-07-21 15:22 UTCEPSS rescore
- 2026-07-21 15:22 UTCEPSS rescore
- 2026-07-20 17:05 UTCEPSS rescore
- 2026-07-19 14:29 UTCEPSS rescore
- 2026-07-19 02:27 UTCEPSS rescore
- 2026-07-19 02:27 UTCEPSS rescore
- 2026-07-18 10:02 UTCEPSS rescore
- 2026-07-17 10:59 UTCOSV refresh
- 2026-07-16 17:00 UTCEPSS rescore
- 2026-07-16 17:00 UTCEPSS rescore
- 2026-07-15 16:55 UTCEPSS rescore
- 2026-07-15 01:58 UTCEPSS rescore
- 2026-07-15 01:58 UTCEPSS rescore
- 2026-07-13 22:27 UTCEPSS rescore
- 2026-07-13 06:11 UTCEPSS rescore
- 2026-07-13 06:11 UTCEPSS rescore
- 2026-07-12 05:44 UTCEPSS rescore
- 2026-07-11 08:25 UTCEPSS rescore
- 2026-07-09 19:07 UTCEPSS rescore
- 2026-07-09 19:07 UTCEPSS rescore
- 2026-07-08 15:12 UTCEPSS rescore
- 2026-07-08 15:12 UTCEPSS rescore
- 2026-07-07 13:43 UTCEPSS rescore
- 2026-07-06 16:25 UTCEPSS rescore
- 2026-07-06 16:25 UTCEPSS rescore
- 2026-07-06 02:21 UTCEPSS rescore
- 2026-07-06 02:21 UTCEPSS rescore
- 2026-07-05 02:28 UTCEPSS rescore
- 2026-07-05 02:28 UTCEPSS rescore
- 2026-07-04 06:29 UTCEPSS rescore
- 2026-07-04 06:29 UTCEPSS rescore
- 2026-07-01 15:04 UTCEPSS rescore
- 2026-06-30 23:20 UTCEPSS rescore
- 2026-06-29 14:04 UTCEPSS rescore
- 2026-06-29 14:04 UTCEPSS rescore
- 2026-06-29 09:02 UTCOSV refresh
- 2026-06-28 14:05 UTCEPSS rescore
- 2026-06-28 04:54 UTCEPSS rescore
Related CVEs(same vendor + same CWE)
Same vendor
10 shownubuntu:USN-5500-1 · ubuntu:USN-5518-1 · ubuntu:USN-5560-1
Same CWE
10 shownCWE-416
Frequently asked(5)
What is CVE-2022-1734?
When was CVE-2022-1734 disclosed?
Is CVE-2022-1734 actively exploited?
What is the CVSS score of CVE-2022-1734?
How do I remediate CVE-2022-1734?
Dependency Blast Radius
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