CVE-2023-51043: Use After Free
First published: Tue Jan 23 2024(Updated: )
In the Linux kernel before 6.4.5, drivers/gpu/drm/drm_atomic.c has a use-after-free during a race condition between a nonblocking atomic commit and a driver unload.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/Kernel | <6.5 | 6.5 |
| IBM QRadar SIEM | <=7.5 - 7.5.0 UP8 IF01 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.119-1 6.12.10-1 6.12.11-1 | |
| Linux Kernel | <6.4.5 |
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Reference Links
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.5
- https://github.com/torvalds/linux/commit/4e076c73e4f6e90816b30fcd4a0d7ab365087255
- https://launchpad.net/bugs/cve/CVE-2023-51043
- https://access.redhat.com/errata/RHSA-2024:1019
- https://access.redhat.com/errata/RHSA-2024:1018
- https://access.redhat.com/errata/RHSA-2024:1188
- https://access.redhat.com/errata/RHSA-2024:1404
- https://access.redhat.com/errata/RHSA-2024:2394
- https://bugzilla.redhat.com/show_bug.cgi?id=2260005
- https://exchange.xforce.ibmcloud.com/vulnerabilities/280864
- https://www.ibm.com/support/pages/node/7150684 (Advisory)
- https://git.kernel.org/linus/4e076c73e4f6e90816b30fcd4a0d7ab365087255
- https://security-tracker.debian.org/tracker/CVE-2023-51043
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-51043
- https://nvd.nist.gov/vuln/detail/CVE-2023-51043
- https://ubuntu.com/security/CVE-2023-51043
Frequently Asked Questions
What is the severity of CVE-2023-51043?
CVE-2023-51043 is classified as a high severity vulnerability due to its use-after-free condition that can be exploited during a race condition.
How do I fix CVE-2023-51043?
To fix CVE-2023-51043, update your Linux kernel to version 6.4.5 or later.
What types of systems are affected by CVE-2023-51043?
CVE-2023-51043 affects various Linux kernel versions prior to 6.4.5, impacting systems using the kernel for GPU operations.
What is the risk of exploitation for CVE-2023-51043?
The risk of exploitation for CVE-2023-51043 includes potential denial of service or system instability due to unhandled race conditions.
Which Linux distributions are vulnerable to CVE-2023-51043?
Popular Linux distributions like Debian and Red Hat with versions below 6.4.5 are vulnerable to CVE-2023-51043.
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