Vulnerability Description
The waitid implementation in kernel/exit.c in the Linux kernel through 4.13.4 accesses rusage data structures in unintended cases, which allows local users to obtain sensitive information, and bypass the KASLR protection mechanism, via a crafted system call.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 4.13.4 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6c8550Issue TrackingPatchThird Party Advisory
- https://github.com/torvalds/linux/commit/6c85501f2fabcfc4fc6ed976543d252c4eaf4beIssue TrackingPatchThird Party Advisory
- https://grsecurity.net/~spender/exploits/wait_for_kaslr_to_be_effective.cThird Party Advisory
- https://twitter.com/_argp/status/914021130712870912Third Party Advisory
- https://twitter.com/grsecurity/status/914079864478666753Third Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6c8550Issue TrackingPatchThird Party Advisory
- https://github.com/torvalds/linux/commit/6c85501f2fabcfc4fc6ed976543d252c4eaf4beIssue TrackingPatchThird Party Advisory
- https://grsecurity.net/~spender/exploits/wait_for_kaslr_to_be_effective.cThird Party Advisory
- https://twitter.com/_argp/status/914021130712870912Third Party Advisory
- https://twitter.com/grsecurity/status/914079864478666753Third Party Advisory
FAQ
What is CVE-2017-14954?
CVE-2017-14954 is a vulnerability with a CVSS score of 5.5 (MEDIUM). The waitid implementation in kernel/exit.c in the Linux kernel through 4.13.4 accesses rusage data structures in unintended cases, which allows local users to obtain sensitive information, and bypass ...
How severe is CVE-2017-14954?
CVE-2017-14954 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-2017-14954?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.