A buffer overflow vulnerability was found in the Linux kernel Intel’s iSMT SMBus host controller driver in the way it handled the I2C_SMBUS_BLOCK_PROC_CALL case (via the ioctl I2C_SMBUS) with malicious input data. This flaw could allow a local user to crash the system.
CVE-2022-3077
Score 5.5 from GitHub Security Advisory published 2022-09-10. NVD baseline CVSS 5.5; sources differ by 0.0.
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v3
- 5.5
- EG Score
- 5.5(medium)
- EG Risk
- 29(Track)EG Risk 29/100SSVC: 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 computedSeverity55% × 45%Exploitation0% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 14%
- KEV
- Not listed
Published
September 9, 2022
Last Modified
June 27, 2025
References (2)
- secalert@redhathttps://github.com/torvalds/linux/commit/690b2549b19563ec5ad53e5c82f6a944d910086e
- af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/690b2549b19563ec5ad53e5c82f6a944d910086e
Vendor Advisories for CVE-2022-3077(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Patch Availability(2)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| redhat | kernel-0:5.14.0-162.12.1.el9_1 | 2023-01-23 | redhat |
| redhat | kernel-rt-0:5.14.0-162.12.1.rt21.175.el9_1 | 2023-01-23 | 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
(3 across 3 ecosystems)
Debian:12(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 5.18.2-1 | — |
Debian:13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 5.18.2-1 | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 5.18.2-1 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Additional Vendor Advisories
(2)
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-2022-30772022-09-16
A buffer overflow vulnerability was found in the Linux kernel Intel’s iSMT SMBus host controller driver in the way it handled the I2C_SMBUS_BLOCK_PROC_CALL case (via the ioctl I2C_SMBUS) with malicious input data. This flaw could allow a local user to crash the system.
- Red HatRHSA-2023:0300MODERATE2022-06-02
RHSA-2023:0300 — Moderate
Data Freshness Timeline
(refreshed 8× in last 7d / 32× 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 163 total refreshes for this CVE.
- 2026-09-07 15:58 UTCEPSS rescore
- 2026-09-06 13:45 UTCEPSS rescore
- 2026-09-05 15:25 UTCEPSS rescore
- 2026-09-05 04:44 UTCOSV refresh
- 2026-09-04 13:57 UTCEPSS rescore
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- 2026-09-02 14:09 UTCEPSS rescore
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- 2026-08-19 17:01 UTCEPSS rescore
- 2026-08-18 15:28 UTCOSV refresh
- 2026-08-18 13:45 UTCEPSS rescore
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- 2026-08-16 14:53 UTCEPSS rescore
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- 2026-08-15 01:27 UTCEPSS rescore
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- 2026-08-04 10:35 UTCEPSS rescore
- 2026-08-03 10:57 UTCOSV refresh
- 2026-08-02 02:24 UTCEPSS rescore
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- 2026-07-24 14:15 UTCEPSS rescore
- 2026-07-23 14:16 UTCEPSS rescore
- 2026-07-23 02:11 UTCEG score recompute
- 2026-07-22 22:58 UTCEG score recompute
- 2026-07-22 14:06 UTCEPSS rescore
- 2026-07-22 14:06 UTCEPSS rescore
- 2026-07-21 15:23 UTCEPSS rescore
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- 2026-07-20 17:05 UTCEPSS rescore
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- 2026-07-18 10:03 UTCEPSS rescore
- 2026-07-18 10:03 UTCEPSS rescore
- 2026-07-16 20:34 UTCOSV refresh
- 2026-07-16 17:00 UTCEPSS rescore
- 2026-07-15 16:56 UTCEPSS rescore
- 2026-07-15 16:56 UTCEPSS rescore
- 2026-07-15 01:58 UTCEPSS rescore
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- 2026-07-13 06:11 UTCEPSS rescore
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- 2026-07-12 05:44 UTCEPSS rescore
- 2026-07-12 05:44 UTCEPSS rescore
- 2026-07-11 08:25 UTCEPSS rescore
- 2026-07-09 19:08 UTCEPSS rescore
- 2026-07-08 15:12 UTCEPSS rescore
- 2026-07-07 13:44 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
- 2026-07-04 06:29 UTCEPSS rescore
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- 2026-06-29 14:04 UTCEPSS rescore
- 2026-06-28 19:02 UTCOSV refresh
- 2026-06-28 14:06 UTCEPSS rescore
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- 2026-06-25 13:48 UTCEPSS rescore
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- 2026-06-24 14:03 UTCEPSS rescore
Frequently asked(5)
What is CVE-2022-3077?
When was CVE-2022-3077 disclosed?
Is CVE-2022-3077 actively exploited?
What is the CVSS score of CVE-2022-3077?
How do I remediate CVE-2022-3077?
Dependency Blast Radius
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