CVE-2023-51782: Use After Free
First published: Mon Dec 25 2023(Updated: )
An issue was discovered in the Linux kernel before 6.6.8. rose_ioctl in net/rose/af_rose.c has a use-after-free because of a rose_accept race condition.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >2.6.12<6.6.8 | |
| Linux Kernel | =2.6.12-rc2 | |
| Linux Kernel | =2.6.12-rc3 | |
| Linux Kernel | =2.6.12-rc4 | |
| Linux Kernel | =2.6.12-rc5 | |
| Linux Kernel | =2.6.12-rc6 | |
| Linux Kernel | =6.7-rc1 | |
| Linux Kernel | =6.7-rc2 | |
| Linux Kernel | =6.7-rc3 | |
| Linux Kernel | =6.7-rc4 | |
| Linux Kernel | =6.7-rc5 | |
| Debian Linux | =10.0 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.135-1 6.12.25-1 6.12.27-1 |
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Reference Links
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.8
- https://github.com/torvalds/linux/commit/810c38a369a0a0ce625b5c12169abce1dd9ccd53
- https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html
- https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html
- https://launchpad.net/bugs/cve/CVE-2023-51782
- https://git.kernel.org/linus/810c38a369a0a0ce625b5c12169abce1dd9ccd53
- https://security-tracker.debian.org/tracker/CVE-2023-51782
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-51782
- https://nvd.nist.gov/vuln/detail/CVE-2023-51782
- https://ubuntu.com/security/CVE-2023-51782
Frequently Asked Questions
What is the severity of CVE-2023-51782?
CVE-2023-51782 is classified as a high severity vulnerability due to its potential to lead to a use-after-free condition in the Linux kernel.
How do I fix CVE-2023-51782?
To fix CVE-2023-51782, upgrade your Linux kernel to version 6.6.8 or later, or apply the patched versions as advised by your distribution provider.
What types of systems are affected by CVE-2023-51782?
CVE-2023-51782 affects various versions of the Linux kernel prior to 6.6.8, including specific Debian kernel packages.
What are the potential impacts of CVE-2023-51782?
Exploitation of CVE-2023-51782 could allow an attacker to execute arbitrary code or cause a system crash due to the use-after-free condition.
When was CVE-2023-51782 first discovered?
CVE-2023-51782 was discovered in the Linux kernel before version 6.6.8 and was last updated on November 29, 2024.
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