Vulnerability Description
A use-after-free flaw was found in the Linux kernel’s core dump subsystem. This flaw allows a local user to crash the system. Only if patch 390031c94211 ("coredump: Use the vma snapshot in fill_files_note") not applied yet, then kernel could be affected.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 5.18 |
Related Weaknesses (CWE)
References
- http://packetstormsecurity.com/files/171912/CentOS-Stream-9-Missing-Kernel-Secur
- https://patchwork.kernel.org/project/linux-fsdevel/patch/87iltzn3nd.fsf_-_%40ema
- http://packetstormsecurity.com/files/171912/CentOS-Stream-9-Missing-Kernel-Secur
- https://patchwork.kernel.org/project/linux-fsdevel/patch/87iltzn3nd.fsf_-_%40ema
FAQ
What is CVE-2023-1249?
CVE-2023-1249 is a vulnerability with a CVSS score of 5.5 (MEDIUM). A use-after-free flaw was found in the Linux kernel’s core dump subsystem. This flaw allows a local user to crash the system. Only if patch 390031c94211 ("coredump: Use the vma snapshot in fill_files_...
How severe is CVE-2023-1249?
CVE-2023-1249 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-2023-1249?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.