CVE-2022-3566: Linux Kernel TCP tcp_setsockopt race condition
First published: Thu Oct 06 2022(Updated: )
A vulnerability was found in the tcp subsystem in the Linux Kernel, due to a data race around icsk->icsk_af_ops. This issue could allow an attacker to leak internal kernel information.
Credit: cna@vuldb.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel-rt | <0:4.18.0-477.10.1.rt7.274.el8_8 | 0:4.18.0-477.10.1.rt7.274.el8_8 |
| redhat/kernel | <0:4.18.0-477.10.1.el8_8 | 0:4.18.0-477.10.1.el8_8 |
| redhat/kernel | <0:5.14.0-284.11.1.el9_2 | 0:5.14.0-284.11.1.el9_2 |
| redhat/kernel-rt | <0:5.14.0-284.11.1.rt14.296.el9_2 | 0:5.14.0-284.11.1.rt14.296.el9_2 |
| redhat/kernel | <6.1 | 6.1 |
| Linux Kernel | ||
| debian/linux | <=5.10.223-1<=5.10.234-1 | 6.1.129-1 6.1.133-1 6.12.21-1 6.12.22-1 |
Remedy
Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=f49cd2f4d6170d27a2c61f1fecb03d8a70c91f57
- https://vuldb.com/?id.211089
- https://launchpad.net/bugs/cve/CVE-2022-3566
- https://www.cve.org/CVERecord?id=CVE-2022-3566 https://nvd.nist.gov/vuln/detail/CVE-2022-3566 https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=f49cd2f4d6170d27a2c61f1fecb03d8a70c91f57
- https://bugzilla.redhat.com/show_bug.cgi?id=2143893
- https://access.redhat.com/errata/RHSA-2023:2736
- https://access.redhat.com/errata/RHSA-2023:2951
- https://access.redhat.com/errata/RHSA-2023:2458
- https://access.redhat.com/errata/RHSA-2023:2148
- https://access.redhat.com/security/cve/cve-2022-3566
- https://access.redhat.com/errata/RHSA-2024:0724
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-3566
- https://nvd.nist.gov/vuln/detail/CVE-2022-3566
- https://security-tracker.debian.org/tracker/CVE-2022-3566
- https://ubuntu.com/security/CVE-2022-3566
- https://git.kernel.org/linus/f49cd2f4d6170d27a2c61f1fecb03d8a70c91f57
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is the severity of CVE-2022-3566?
CVE-2022-3566 is classified as a problematic vulnerability due to a data race in the Linux Kernel tcp subsystem.
How do I fix CVE-2022-3566?
To mitigate CVE-2022-3566, upgrade your Linux Kernel to a fixed version such as 0:4.18.0-477.10.1.rt7.274.el8_8 or newer.
What systems are affected by CVE-2022-3566?
CVE-2022-3566 affects various versions of the Linux Kernel including kernel-rt and standard kernel packages from Red Hat and Debian.
What type of attack does CVE-2022-3566 enable?
CVE-2022-3566 can potentially allow an attacker to leak internal kernel information due to a data race condition.
Is there a workaround for CVE-2022-3566?
Currently, the most effective mitigation for CVE-2022-3566 is to update to a secure version of the Linux Kernel.
- collector/launchpad-cve
- collector/redhat-cve
- agent/type
- agent/first-publish-date
- agent/author
- agent/severity
- agent/weakness
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2022-3566
- agent/software-canonical-lookup
- collector/mitre-cve
- source/MITRE
- agent/title
- collector/usn-cve
- source/Ubuntu
- agent/references
- agent/description
- agent/event
- agent/last-modified-date
- agent/remedy
- agent/trending
- agent/source
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup-request
- collector/nvd-index
- agent/tags
- agent/softwarecombine
- collector/security-tracker-debian
- source/Debian
- package-manager/redhat
- vendor/linux
- canonical/linux kernel
- package-manager/debian