Vulnerability Description
Off-by-one error in the pipe_advance function in lib/iov_iter.c in the Linux kernel before 4.9.5 allows local users to obtain sensitive information from uninitialized heap-memory locations in opportunistic circumstances by reading from a pipe after an incorrect buffer-release decision.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 4.9.4 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b9dc6fIssue TrackingPatchThird Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.5Release NotesVendor Advisory
- http://www.openwall.com/lists/oss-security/2017/01/21/3Mailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/95716Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1416116Issue TrackingPatch
- https://github.com/torvalds/linux/commit/b9dc6f65bc5e232d1c05fe34b5daadc7e8bbf1fIssue TrackingPatchThird Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b9dc6fIssue TrackingPatchThird Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.5Release NotesVendor Advisory
- http://www.openwall.com/lists/oss-security/2017/01/21/3Mailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/95716Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1416116Issue TrackingPatch
- https://github.com/torvalds/linux/commit/b9dc6f65bc5e232d1c05fe34b5daadc7e8bbf1fIssue TrackingPatchThird Party Advisory
FAQ
What is CVE-2017-5550?
CVE-2017-5550 is a vulnerability with a CVSS score of 5.5 (MEDIUM). Off-by-one error in the pipe_advance function in lib/iov_iter.c in the Linux kernel before 4.9.5 allows local users to obtain sensitive information from uninitialized heap-memory locations in opportun...
How severe is CVE-2017-5550?
CVE-2017-5550 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-2017-5550?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.