Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: aio: fix mremap after fork null-deref Commit e4a0d3e720e7 ("aio: Make it possible to remap aio ring") introduced a null-deref if mremap is called on an old aio mapping after fork as mm->ioctx_table will be set to NULL. [[email protected]: fix 80 column issue]
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 3.19, < 4.14.306 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/178993157e8c50aef7f35d7d6d3b44bb428199e1Patch
- https://git.kernel.org/stable/c/4326d0080f7e84fba775da41d158f46cf9d3f1c2Patch
- https://git.kernel.org/stable/c/808f1e4b5723ae4eda724d2ad6f6638905eefd95Patch
- https://git.kernel.org/stable/c/81e9d6f8647650a7bead74c5f926e29970e834d1Patch
- https://git.kernel.org/stable/c/af126acf01a12bdb04986fd26fc2eb3b40249e0dPatch
- https://git.kernel.org/stable/c/c261f798f7baa8080cf0214081d43d5f86bb073fPatch
- https://git.kernel.org/stable/c/d8dca1bfe9adcae38b35add64977818c0c13dd22Patch
- https://git.kernel.org/stable/c/178993157e8c50aef7f35d7d6d3b44bb428199e1Patch
- https://git.kernel.org/stable/c/4326d0080f7e84fba775da41d158f46cf9d3f1c2Patch
- https://git.kernel.org/stable/c/808f1e4b5723ae4eda724d2ad6f6638905eefd95Patch
- https://git.kernel.org/stable/c/81e9d6f8647650a7bead74c5f926e29970e834d1Patch
- https://git.kernel.org/stable/c/af126acf01a12bdb04986fd26fc2eb3b40249e0dPatch
- https://git.kernel.org/stable/c/c261f798f7baa8080cf0214081d43d5f86bb073fPatch
- https://git.kernel.org/stable/c/d8dca1bfe9adcae38b35add64977818c0c13dd22Patch
FAQ
What is CVE-2023-52646?
CVE-2023-52646 is a vulnerability with a CVSS score of 5.5 (MEDIUM). In the Linux kernel, the following vulnerability has been resolved: aio: fix mremap after fork null-deref Commit e4a0d3e720e7 ("aio: Make it possible to remap aio ring") introduced a null-deref if m...
How severe is CVE-2023-52646?
CVE-2023-52646 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-52646?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.