CVE-2022-1975

MEDIUMNVD 5.55.5—

5.5

There is a sleep-in-atomic bug in /net/nfc/netlink.c that allows an attacker to crash the Linux kernel by simulating a nfc device from user-space.

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 6.8%
KEV: Not listed

Published

August 31, 2022

Last Modified

November 21, 2024

References (2)

secalert@redhathttps://github.com/torvalds/linux/commit/4071bf121d59944d5cd2238de0642f3d7995a997
af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/4071bf121d59944d5cd2238de0642f3d7995a997

Patch Availability(9)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	linux-image-4.15.0-191-generic-lpae (4.15.0-191.202) @ bionic	2026-05-25	ubuntu
ubuntu	linux-tools-aws-hwe (4.15.0.1139.126) @ xenial	2026-05-25	ubuntu
ubuntu	linux-tools-4.4.0-239-lowlatency (4.4.0-239.273) @ xenial	2026-05-25	ubuntu
ubuntu	linux-tools-5.15.0-1013-intel-iotg (5.15.0-1013.17) @ jammy	2026-05-25	ubuntu
ubuntu	linux-image-4.4.0-1117-aws (4.4.0-1117.123) @ trusty	2026-05-25	ubuntu
ubuntu	linux-image-lowlatency (5.4.0.124.125) @ focal	2026-05-25	ubuntu
ubuntu	linux-tools-azure-fde (5.4.0.1089.94+cvm1.29) @ focal	2026-05-25	ubuntu
ubuntu	linux-tools-4.4.0-1155-aws (4.4.0-1155.170) @ xenial	2026-05-25	ubuntu
ubuntu	linux-image-lowlatency (5.15.0.41.40) @ jammy	2026-05-25	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.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-248

All Vendor Advisories

(9)

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.

Data Freshness Timeline

(refreshed 10× in last 7d / 19× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 16:13 UTCEG score recompute
2026-05-25 16:13 UTCVendor advisory
2026-05-25 16:13 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2022-1975?

CVE-2022-1975 is a medium vulnerability published on August 31, 2022. There is a sleep-in-atomic bug in /net/nfc/netlink.c that allows an attacker to crash the Linux kernel by simulating a nfc device from user-space.

When was CVE-2022-1975 disclosed?

CVE-2022-1975 was first published in the National Vulnerability Database on August 31, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-1975 actively exploited?

CVE-2022-1975 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 6.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-1975?

CVE-2022-1975 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2022-1975?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-1975, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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