A vulnerability was identified in Linux Kernel up to 4.19.316/5.4.278/5.10.220/5.15.161. This impacts the function tcp_getsockopt/tcp_setsockopt of the component TCP Handler. Such manipulation leads to race condition. A high complexity level is associated with this attack. The exploitability is said to be difficult. The vulnerability was introduced in 2.6.12, commit 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 ("Linux-2.6.12-rc2"). Upgrading to version 4.19.317, 5.4.279, 5.10.221, 5.15.162 and 6.1 will fix this issue. The name of the patch is fcd31dd8291b23d713245947ec2b2d99ef07aef2/3b32f265805a49071e2c4568a524398ba22bf93c/d529193eae979a7bf2255cd9fe68b7af7a1c91b3/5bb642cc3355ffd3c8bca0a8bd8e6e65bcc2091c/f49cd2f4d6170d27a2c61f1fecb03d8a70c91f57. The affected component should be upgraded.
CVE-2022-3566
“—” beside the score: it is equal to NVD's CVSS score.
Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2022-10-18. NVD baseline CVSS 7.1; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 7.1
- EG Score
- 7.1HIGHmedium confidence
- EG Risk
- 32EG Risk 32/100
EG Risk is EchelonGraph's 0–100 priority score. It fuses impact severity (EG Severity, the CVSS base score, never the KEV-floored or EPSS-lifted EG Score) with real-world exploitation and automatability, under weights EchelonGraph set by hand, so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner.
How it’s computed (value × EchelonGraph’s weight)Severity71% × 45%Impact severity (EG Severity): CVSS 7.1 of 10. Never the KEV-floored or EPSS-lifted EG Score.Exploitation0.7% × 40%FIRST EPSS: the 30-day exploitation probability when EchelonGraph scored this CVE.Automatability0% × 15%CISA's SSVC Automatable value: no (Vulnrichment).SSVC (CISA's decision table, applied by EchelonGraph): Track at every mission impact level.Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE.Action: A fix is available. Apply it within your standard update timelines. - EPSS PROB
- 0.7%
- EPSS %ILE
- 54th
- KEV
- Not listed
What the EG score is made of (scorer v4.0: the three questions the 0–10 score mixes, published apart · methodology)
The EG score (7.1): severity, escalated by confirmed exploitation. This CVE's 7.1 is its impact severity (EG Severity), not escalated.
- EG Severity
- 7.1 HIGHCVSS-B, impact only: no KEV listing, EPSS or EG-KEV tier raises it.GitHub Security Advisory CVSS
- EG Likelihood
- 0.7% within 30 daysSource: FIRST EPSS (model v2026.06.15, score date 2026-10-20). FIRST's exploitation probability, not an EchelonGraph model.
- Confirmed exploitation
- None on record (CISA KEV, EG-KEV Tier 1)Reported apart from the likelihood: an observed fact, not a probability.
- EG Priority
- SSVC Track at medium mission impactTrack at every mission impact level.CISA BOD 26-04: 60 days if the affected system is publicly exposed; Fix on system upgrade if it is not.Each input and its source: the SSVC and BOD 26-04 blocks below.
SSVC (CISA's decision table, applied by EchelonGraph)Track at every mission impact level.
A fix is available. Apply it within your standard update timelines.
Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE. Mission impact is CISA's Mission & Well-being decision point, and only you can judge it. CISA's table makes it high when Mission Prevalence is Essential — the vulnerable component "directly provides capabilities that constitute at least one MEF for at least one entity" (MEF: mission essential function) — or when Public Well-Being Impact is Irreversible: "multiple fatalities are likely", the cyber-physical system "is likely lost or destroyed", "extreme or serious externalities" are imposed on other parties, or social systems such as elections or the financial grid "are destabilized and potentially collapse". CISA's decision table
BOD 26-04 (CISA's remediation timeline, Table 1)60 days if the affected system is publicly exposed; Fix on system upgrade if it is not.
In CISA KEV no (CISA's KEV catalog) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Whether your system is publicly exposed is yours to answer. BOD 26-04 binds US Federal Civilian Executive Branch agencies; for anyone else it is CISA's published timeline, a reference rather than an obligation. The directive · how EchelonGraph applies it
Published
October 17, 2022
Last Modified
August 26, 2026
Advisory Details (2)
Auto-updated Jul 30, 2026tcp: Fix data races around icsk->icsk_af_ops. - kernel/git/stable/linux.git - Linux kernel stable tree
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=f49cd2f4d6170d27a2c61f1fecb03d8a70c91f57Vendor Advisories for CVE-2022-3566(6)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
- RHSA-2024:0724Red Hat Product SecurityHigh
Red Hat Security Advisory: kernel security and bug fix update
- RHSA-2023:2951Red Hat Product SecurityHigh
Red Hat Security Advisory: kernel security, bug fix, and enhancement update
- RHSA-2023:2736Red Hat Product SecurityHigh
Red Hat Security Advisory: kernel-rt security and bug fix update
- RHSA-2023:2458Red Hat Product SecurityHigh
Red Hat Security Advisory: kernel security, bug fix, and enhancement update
- RHSA-2023:2148Red Hat Product SecurityHigh
Red Hat Security Advisory: kernel-rt security and bug fix update
- GHSA-qfg2-8gf5-3xfcGitHub Security AdvisoriesHigh
A vulnerability, which was classified as problematic, was found in Linux Kernel. This affects the...
Patch Availability(19)
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 | Fix by version range | Dependents |
|---|---|---|---|
| linux | 5.10.103-1 ... 7.2~rc5-1~exp1 (496 versions) |
| — |
Debian:12(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| linux | — |
| — |
Debian:13(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| linux | — |
| — |
Debian:14(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| linux | — |
| — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Additional Vendor Advisories
(14)
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.
- UbuntuUSN-5754-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-5754-2MEDIUM
Linux kernel (Azure) vulnerabilities
- UbuntuUSN-5755-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-5755-2MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-5756-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-5756-2MEDIUM
Linux kernel (GKE) vulnerabilities
- UbuntuUSN-5756-3MEDIUM
Linux kernel (Azure) vulnerabilities
- UbuntuUSN-5757-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-5757-2MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-5758-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-5773-1MEDIUM
Linux kernel (OEM) vulnerabilities
- UbuntuUSN-5774-1MEDIUM
Linux kernel (Azure) vulnerabilities
- UbuntuUSN-5779-1MEDIUM
Linux kernel (Azure) vulnerabilities
- UbuntuUSN-5789-1MEDIUM
Linux kernel (OEM) vulnerabilities
Data Freshness Timeline
(refreshed 11× in last 7d / 35× in last 30d)
Each row is a time one of our pipelines fetched, updated or re-scored this CVE. 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. An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). Most recent first.
Showing the most recent 95 of 209 refreshes on record for this CVE.
A repeat, a row identical to one the same pipeline wrote less than 10 seconds earlier, is not a separate refresh and is not counted. 5 repeat rows among the latest 100 are merged into the row they repeat. The 114 oldest rows on record are not shown and were not checked, so the counts can still include repeats.
- 2026-10-22 16:30 UTCEPSS rescoreEPSS 0.7% · 54th percentile
- 2026-10-21 16:29 UTCEPSS rescoreEPSS 0.7% · 54th percentile
- 2026-10-21 06:52 UTCEG score recompute
- 2026-10-21 06:52 UTCVendor advisory
- 2026-10-21 06:52 UTCGHSA enrichmentGHSA-qfg2-8gf5-3xfc · GitHub severity HIGH · GitHub CVSS 7.1
- 2026-10-20 16:29 UTCEPSS rescoreEPSS 0.7% · 53rd percentile
- 2026-10-19 16:28 UTCEPSS rescoreEPSS 0.7% · 53rd percentile
- 2026-10-18 16:28 UTCEPSS rescoreEPSS 0.7% · 53rd percentile
- 2026-10-18 08:31 UTCEG score recompute
- 2026-10-17 16:29 UTCEPSS rescoreEPSS 0.7% · 53rd percentile
- 2026-10-16 16:35 UTCEPSS rescoreEPSS 0.7% · 53rd percentile
- 2026-10-15 16:28 UTCEPSS rescoreEPSS 0.7% · 53rd percentile
- 2026-10-14 16:29 UTCEPSS rescoreEPSS 0.7% · 53rd percentile
- 2026-10-13 16:29 UTCEPSS rescoreEPSS 0.7% · 51st percentile
- 2026-10-12 18:51 UTCEG score recompute
- 2026-10-12 16:30 UTCEPSS rescoreEPSS 0.7% · 51st percentile
- 2026-10-11 23:15 UTCEG score recompute
- 2026-10-11 13:44 UTCEPSS rescoreEPSS 0.7% · 51st percentile
- 2026-10-10 19:56 UTCEPSS rescoreEPSS 0.7% · 51st percentile
- 2026-10-09 20:04 UTCEPSS rescoreEPSS 0.7% · 51st percentile
- 2026-10-08 16:40 UTCEPSS rescoreEPSS 0.7% · 51st percentile
- 2026-10-07 23:45 UTCEPSS rescoreEPSS 0.7% · 51st percentile
- 2026-10-06 15:14 UTCEPSS rescoreEPSS 0.7% · 51st percentile
- 2026-10-05 17:40 UTCEPSS rescoreEPSS 0.7% · 51st percentile
- 2026-10-04 23:19 UTCEPSS rescoreEPSS 0.7% · 51st percentile
Show 70 moreShow fewer
- 2026-10-04 05:34 UTCOSV refresh
- 2026-10-03 14:23 UTCEPSS rescoreEPSS 0.7% · 51st percentile
- 2026-10-02 16:23 UTCEPSS rescoreEPSS 0.7% · 51st percentile
- 2026-10-01 19:47 UTCEPSS rescoreEPSS 0.7% · 51st percentile
- 2026-09-30 15:59 UTCEG score recompute
- 2026-09-30 15:00 UTCEPSS rescoreEPSS 0.7% · 51st percentile
- 2026-09-29 15:16 UTCEPSS rescoreEPSS 0.7% · 51st percentile
- 2026-09-27 13:42 UTCEPSS rescoreEPSS 0.7% · 51st percentile
- 2026-09-26 00:22 UTCEPSS rescoreEPSS 0.7% · 51st percentile
- 2026-09-24 14:00 UTCEPSS rescoreEPSS 0.7% · 50th percentile
- 2026-09-22 14:45 UTCEPSS rescoreEPSS 0.7% · 51st percentile
- 2026-09-20 20:13 UTCEPSS rescoreEPSS 0.7% · 51st percentile
- 2026-09-19 15:38 UTCEPSS rescoreEPSS 0.7% · 51st percentile
- 2026-09-17 19:24 UTCEPSS rescoreEPSS 0.7% · 51st percentile
- 2026-09-16 14:05 UTCEPSS rescoreEPSS 0.7% · 51st percentile
- 2026-09-15 03:07 UTCEPSS rescoreEPSS 0.7% · 50th percentile
- 2026-09-14 19:44 UTCOSV refresh
- 2026-09-12 14:57 UTCEPSS rescoreEPSS 0.7% · 50th percentile
- 2026-09-11 14:50 UTCEPSS rescoreEPSS 0.7% · 50th percentile
- 2026-09-11 09:33 UTCEPSS rescoreEPSS 0.7% · 50th percentile
- 2026-09-08 21:57 UTCEPSS rescoreEPSS 0.7% · 50th percentile
- 2026-09-07 15:58 UTCEPSS rescoreEPSS 0.7% · 50th percentile
- 2026-09-06 13:45 UTCEPSS rescoreEPSS 0.7% · 50th percentile
- 2026-09-05 15:25 UTCEPSS rescoreEPSS 0.7% · 50th percentile
- 2026-09-04 13:57 UTCEPSS rescoreEPSS 0.7% · 50th percentile
- 2026-09-04 05:04 UTCEPSS rescoreEPSS 0.7% · 50th percentile
- 2026-09-02 14:09 UTCEPSS rescoreEPSS 0.7% · 50th percentile
- 2026-09-01 13:51 UTCEPSS rescoreEPSS 0.7% · 50th percentile
- 2026-08-30 19:14 UTCEPSS rescoreEPSS 0.7% · 50th percentile
- 2026-08-30 01:19 UTCEPSS rescoreEPSS 0.7% · 50th percentile
- 2026-08-28 21:38 UTCEPSS rescoreEPSS 0.7% · 49th percentile
- 2026-08-27 14:22 UTCEPSS rescoreEPSS 0.7% · 50th percentile
- 2026-08-26 19:03 UTCEG score recompute
- 2026-08-26 19:03 UTCVendor advisory
- 2026-08-26 19:03 UTCGHSA enrichmentGHSA-qfg2-8gf5-3xfc · GitHub severity HIGH · GitHub CVSS 7.1
- 2026-08-26 14:43 UTCEPSS rescoreEPSS 0.4% · 37th percentile
- 2026-08-25 13:46 UTCEPSS rescoreEPSS 0.4% · 37th percentile
- 2026-08-24 14:13 UTCEPSS rescoreEPSS 0.4% · 37th percentile
- 2026-08-23 00:17 UTCEPSS rescoreEPSS 0.4% · 37th percentile
- 2026-08-21 23:46 UTCEPSS rescoreEPSS 0.4% · 37th percentile
- 2026-08-20 22:52 UTCEPSS rescoreEPSS 0.4% · 37th percentile
- 2026-08-19 17:01 UTCEPSS rescoreEPSS 0.4% · 37th percentile
- 2026-08-18 13:45 UTCEPSS rescoreEPSS 0.4% · 37th percentile
- 2026-08-17 13:44 UTCEPSS rescoreEPSS 0.4% · 37th percentile
- 2026-08-16 14:53 UTCEPSS rescoreEPSS 0.4% · 37th percentile
- 2026-08-16 02:11 UTCEPSS rescoreEPSS 0.4% · 37th percentile
- 2026-08-15 01:27 UTCEPSS rescoreEPSS 0.4% · 37th percentile
- 2026-08-14 18:54 UTCOSV refresh
- 2026-08-13 21:58 UTCEPSS rescoreEPSS 0.4% · 37th percentile
- 2026-08-12 13:48 UTCEPSS rescoreEPSS 0.4% · 37th percentile
- 2026-08-11 13:39 UTCEPSS rescoreEPSS 0.4% · 37th percentile
- 2026-08-10 14:08 UTCEPSS rescoreEPSS 0.4% · 36th percentile
- 2026-08-09 13:44 UTCEPSS rescoreEPSS 0.4% · 36th percentile
- 2026-08-08 16:34 UTCEPSS rescoreEPSS 0.4% · 36th percentile
- 2026-08-07 16:24 UTCEPSS rescoreEPSS 0.4% · 36th percentile
- 2026-08-06 13:44 UTCEPSS rescoreEPSS 0.4% · 36th percentile
- 2026-08-05 19:15 UTCEPSS rescoreEPSS 0.4% · 36th percentile
- 2026-08-04 15:07 UTCEPSS rescoreEPSS 0.4% · 36th percentile
- 2026-08-04 10:35 UTCEPSS rescoreEPSS 0.4% · 36th percentile
- 2026-08-02 02:24 UTCEPSS rescoreEPSS 0.4% · 36th percentile
- 2026-08-01 04:13 UTCEPSS rescoreEPSS 0.4% · 36th percentile
- 2026-07-30 16:25 UTCEPSS rescoreEPSS 0.4% · 36th percentile
- 2026-07-30 07:27 UTCNVD updateCVSS v3 → 7.1 · severity → HIGH
- 2026-07-30 07:25 UTCEG score recompute
- 2026-07-30 07:25 UTCVendor advisory
- 2026-07-30 07:25 UTCGHSA enrichmentGHSA-qfg2-8gf5-3xfc · GitHub severity HIGH · GitHub CVSS 7.1
- 2026-07-30 07:16 UTCMITRE cvelistV5CVSS v4 → 2.1
- 2026-07-30 01:28 UTCEPSS rescoreEPSS 0.4% · 28th percentile
- 2026-07-28 15:33 UTCEPSS rescoreEPSS 0.4% · 28th percentile
- 2026-07-26 14:52 UTCEPSS rescoreEPSS 0.3% · 26th percentile
Related CVEs(same vendor + same CWE)
Same vendor
10 shownredhat:RHSA-2023:2148 · redhat:RHSA-2023:2736 · redhat:RHSA-2024:0724
Frequently asked(5)
What is CVE-2022-3566?
When was the CVE record for CVE-2022-3566 published?
Is CVE-2022-3566 actively exploited?
What is the CVSS score of CVE-2022-3566?
How do I remediate CVE-2022-3566?
Dependency Blast Radius
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