Vulnerability Description
An issue was discovered in the Linux kernel before 5.2.6. On NUMA systems, the Linux fair scheduler has a use-after-free in show_numa_stats() because NUMA fault statistics are inappropriately freed, aka CID-16d51a590a8c.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 4.19, < 4.19.64 |
Related Weaknesses (CWE)
References
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1913Issue TrackingVendor Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.6Vendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=16PatchVendor Advisory
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1913Issue TrackingVendor Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.6Vendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=16PatchVendor Advisory
FAQ
What is CVE-2019-20934?
CVE-2019-20934 is a vulnerability with a CVSS score of 5.3 (MEDIUM). An issue was discovered in the Linux kernel before 5.2.6. On NUMA systems, the Linux fair scheduler has a use-after-free in show_numa_stats() because NUMA fault statistics are inappropriately freed, a...
How severe is CVE-2019-20934?
CVE-2019-20934 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-20934?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.