Linux Kernel TCP tcp_setsockopt race condition

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Summary

CVECVE-2022-3566
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-10-17 19:15:10 UTC
Updated2026-07-30 07:16:55 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v4.0 2.1 LOW from [email protected]

CVSS:4.0/AV:A/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS: 0.004490000 probability, percentile 0.368800000 (date 2026-08-01)

Problem Types: CWE-362 | CWE-362 Race Condition

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary2.1LOWCVSS:4.0/AV:A/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/C...
4.0CNADECLARED2.1LOWCVSS:4.0/AV:A/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
3.1[email protected]Primary7.1HIGHCVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1[email protected]Secondary4.6MEDIUMCVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
3.1CNADECLARED4.6MEDIUMCVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C
3.0CNADECLARED4.6MEDIUMCVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C
2.0[email protected]Secondary4AV:A/AC:H/Au:S/C:P/I:P/A:P
2.0CNADECLARED4AV:A/AC:H/Au:S/C:P/I:P/A:P/E:ND/RL:OF/RC:C

CVSS v4.0 Breakdown

Attack Vector
Adjacent
Attack Complexity
High
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:A/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 Breakdown

Attack Vector
Adjacent
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.0 Breakdown

Attack Vector
Adjacent
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel - All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Kernel affected 4.19.316 Not specified
CNA Linux Kernel affected 5.4.278 Not specified
CNA Linux Kernel affected 5.10.220 Not specified
CNA Linux Kernel affected 5.15.161 Not specified
CNA Linux Kernel unaffected 4.19.317 Not specified
CNA Linux Kernel unaffected 5.4.279 Not specified
CNA Linux Kernel unaffected 5.10.221 Not specified
CNA Linux Kernel unaffected 5.15.162 Not specified
CNA Linux Kernel unaffected 6.1 Not specified

References

ReferenceSourceLinkTags
kernel/git/stable/linux.git - Linux kernel stable tree af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch, Third Party Advisory, Vendor Advisory
vuldb.com/vuln/211089 [email protected] vuldb.com
vuldb.com/cve/CVE-2022-3566 [email protected] vuldb.com
vuldb.com/vuln/211089/cti [email protected] vuldb.com
CVE-2022-3566 | Linux Kernel TCP tcp_setsockopt race condition af854a3a-2127-422b-91ae-364da2661108 vuldb.com Third Party Advisory
www.kernel.org [email protected] www.kernel.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

SourceTimeEvent
CNA2022-10-17T00:00:00.000ZAdvisory disclosed
CNA2022-10-17T00:00:00.000ZCVE reserved
CNA2022-10-17T02:00:00.000ZVulDB entry created
CNA2026-07-30T08:42:33.000ZVulDB entry last update

Legacy QID Mappings

  • 160583 Oracle Enterprise Linux Security Update for kernel (ELSA-2023-2458)
  • 160692 Oracle Enterprise Linux Security Update for kernel (ELSA-2023-2951)
  • 184969 Debian Security Update for linux (CVE-2022-3566)
  • 199055 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5754-1)
  • 199056 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5757-1)
  • 199057 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5755-1)
  • 199059 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5756-1)
  • 199060 Ubuntu Security Notification for Linux kernel (GKE) Vulnerabilities (USN-5756-2)
  • 199061 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5755-2)
  • 199070 Ubuntu Security Notification for Linux kernel (Azure) Vulnerabilities (USN-5756-3)
  • 199071 Ubuntu Security Notification for Linux kernel (Azure) Vulnerabilities (USN-5754-2)
  • 199072 Ubuntu Security Notification for Linux kernel (Azure) Vulnerabilities (USN-5774-1)
  • 199073 Ubuntu Security Notification for Linux kernel (OEM) Vulnerabilities (USN-5773-1)
  • 199078 Ubuntu Security Notification for Linux kernel (Azure) Vulnerabilities (USN-5779-1)
  • 199084 Ubuntu Security Notification for Linux kernel (OEM) Vulnerabilities (USN-5789-1)
  • 241417 Red Hat Update for kernel security (RHSA-2023:2458)
  • 241468 Red Hat Update for kernel-rt (RHSA-2023:2148)
  • 241504 Red Hat Update for kernel security (RHSA-2023:2951)
  • 241527 Red Hat Update for kernel-rt (RHSA-2023:2736)
  • 242890 Red Hat Update for kernel (RHSA-2024:0724)
  • 355199 Amazon Linux Security Advisory for kernel : ALAS2023-2023-070
  • 377891 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-2023:0002)
  • 378468 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-20230042)
  • 378473 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX2-SA-2023:0021)
  • 378512 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-2023:0042)
  • 672495 EulerOS Security Update for kernel (EulerOS-SA-2023-1012)
  • 672516 EulerOS Security Update for kernel (EulerOS-SA-2023-1037)
  • 672532 EulerOS Security Update for kernel (EulerOS-SA-2023-1126)
  • 672564 EulerOS Security Update for kernel (EulerOS-SA-2023-1102)
  • 672582 EulerOS Security Update for kernel (EulerOS-SA-2023-1345)
  • 672653 EulerOS Security Update for kernel (EulerOS-SA-2023-1388)
  • 672668 EulerOS Security Update for kernel (EulerOS-SA-2023-1360)
  • 672711 EulerOS Security Update for kernel (EulerOS-SA-2023-1507)
  • 753020 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:4585-1)
  • 753034 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:4504-1)
  • 753063 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:4617-1)
  • 753703 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:0416-1)
  • 753707 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:0416-1)
  • 753727 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:0416-1)
  • 754097 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:2507-1)
  • 754105 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:2537-1)
  • 754106 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:2534-1)
  • 754110 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:2538-1)
  • 754120 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:2611-1)
  • 754145 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:2651-1)
  • 941023 AlmaLinux Security Update for kernel (ALSA-2023:2458)
  • 941061 AlmaLinux Security Update for kernel-rt (ALSA-2023:2148)
  • 941096 AlmaLinux Security Update for kernel (ALSA-2023:2951)
  • 941114 AlmaLinux Security Update for kernel-rt (ALSA-2023:2736)

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