Vulnerability Description
The KEYS subsystem in the Linux kernel before 4.13.10 does not correctly synchronize the actions of updating versus finding a key in the "negative" state to avoid a race condition, which allows local users to cause a denial of service or possibly have unspecified other impact via crafted system calls.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 4.4, < 4.4.95 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=363b02Issue TrackingPatchThird Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.10Release NotesVendor Advisory
- http://www.securityfocus.com/bid/101621Third Party AdvisoryVDB Entry
- https://github.com/torvalds/linux/commit/363b02dab09b3226f3bd1420dad9c72b79a42a7Issue TrackingPatchThird Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=363b02Issue TrackingPatchThird Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.10Release NotesVendor Advisory
- http://www.securityfocus.com/bid/101621Third Party AdvisoryVDB Entry
- https://github.com/torvalds/linux/commit/363b02dab09b3226f3bd1420dad9c72b79a42a7Issue TrackingPatchThird Party Advisory
FAQ
What is CVE-2017-15951?
CVE-2017-15951 is a vulnerability with a CVSS score of 7.8 (HIGH). The KEYS subsystem in the Linux kernel before 4.13.10 does not correctly synchronize the actions of updating versus finding a key in the "negative" state to avoid a race condition, which allows local ...
How severe is CVE-2017-15951?
CVE-2017-15951 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-15951?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.