high
7.5
CWE
416 362
Advisory Published
CVE Published
Updated

CVE-2023-39198: Kernel: qxl: race condition leading to use-after-free in qxl_mode_dumb_create()

First published: Wed Jun 28 2023(Updated: )

A race condition leading to a use-after-free issue was found in the QXL driver in the Linux kernel.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
redhat/kernel<6.5
6.5
Linux Kernel<6.5
Linux Kernel=6.5-rc1
Linux Kernel=6.5-rc2
Linux Kernel=6.5-rc3
Linux Kernel=6.5-rc4
Linux Kernel=6.5-rc5
Linux Kernel=6.5-rc6
Red Hat Fedora=38
Red Hat Enterprise Linux=8.0
Red Hat Enterprise Linux=9.0
IBM Security Verify Governance - Identity Manager<=ISVG 10.0.2
IBM Security Verify Governance, Identity Manager Software Stack<=ISVG 10.0.2
IBM Security Verify Governance, Identity Manager Virtual Appliance<=ISVG 10.0.2
IBM Security Verify Governance Identity Manager Container<=ISVG 10.0.2
debian/linux
5.10.223-1
5.10.234-1
6.1.129-1
6.1.135-1
6.12.22-1
6.12.25-1

Remedy

https://bugzilla.redhat.com/show_bug.cgi?id=2218332

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2023-39198?

    CVE-2023-39198 has a high severity rating due to the potential for a use-after-free vulnerability in the QXL driver.

  • How do I fix CVE-2023-39198?

    To mitigate CVE-2023-39198, update your Linux kernel to version 6.5 or higher.

  • What systems are affected by CVE-2023-39198?

    CVE-2023-39198 affects versions of the Linux kernel up to 6.5, including specific release candidates.

  • What is a use-after-free vulnerability in the context of CVE-2023-39198?

    A use-after-free vulnerability like CVE-2023-39198 occurs when a program continues to use a pointer after the memory it points to has been freed.

  • Is CVE-2023-39198 specific to any distribution?

    CVE-2023-39198 is primarily associated with Red Hat Enterprise Linux, Fedora, and Debian distributions.

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