medium
5.5
CWE
362
Advisory Published
Updated

CVE-2022-45869: Race Condition

First published: Wed Nov 30 2022(Updated: )

A race condition in the x86 KVM subsystem in the Linux kernel through 6.1-rc6 allows guest OS users to cause a denial of service (host OS crash or host OS memory corruption) when nested virtualisation and the TDP MMU are enabled.

Credit: cve@mitre.org cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
redhat/kernel<6.1
6.1
IBM Security Verify Governance - Identity Manager<=ISVG 10.0.2
IBM Security Verify Governance, Identity Manager<=ISVG 10.0.2
debian/linux
5.10.223-1
5.10.234-1
6.1.123-1
6.1.128-1
6.12.12-1
6.12.16-1
Linux Kernel<6.1
Linux Kernel=6.1-rc1
Linux Kernel=6.1-rc2
Linux Kernel=6.1-rc3
Linux Kernel=6.1-rc4
Linux Kernel=6.1-rc5
Linux Kernel=6.1-rc6

Remedy

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=47b0c2e4c220f2251fd8dcfbb44479819c715e15

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2022-45869?

    CVE-2022-45869 is rated as a high severity vulnerability that can lead to denial of service attacks.

  • How do I fix CVE-2022-45869?

    To mitigate CVE-2022-45869, upgrade to kernel versions 6.1.123-1 or higher, or apply the relevant patches provided by your distribution.

  • Which systems are affected by CVE-2022-45869?

    CVE-2022-45869 affects the Linux kernel versions up to and including 6.1-rc6 as well as specific IBM Security Verify Governance components.

  • What kind of attack does CVE-2022-45869 enable?

    CVE-2022-45869 allows attackers to exploit a race condition that may result in host OS crashes or memory corruption.

  • How can I determine if my system is vulnerable to CVE-2022-45869?

    You can determine vulnerability by checking your Linux kernel version or the affected software components against the CVE-2022-45869 details.

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