Vulnerability Description
The __clear_user function in arch/arm64/lib/clear_user.S in the Linux kernel before 3.17.4 on the ARM64 platform allows local users to cause a denial of service (system crash) by reading one byte beyond a /dev/zero page boundary.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 3.17.3 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://secunia.com/advisories/62305
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.17.4Vendor Advisory
- http://www.openwall.com/lists/oss-security/2014/11/13/5
- http://www.securityfocus.com/bid/71082
- https://bugzilla.redhat.com/show_bug.cgi?id=1163744PatchVendor Advisory
- https://github.com/torvalds/linux/commit/97fc15436b36ee3956efad83e22a557991f7d19PatchVendor Advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://secunia.com/advisories/62305
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.17.4Vendor Advisory
- http://www.openwall.com/lists/oss-security/2014/11/13/5
- http://www.securityfocus.com/bid/71082
- https://bugzilla.redhat.com/show_bug.cgi?id=1163744PatchVendor Advisory
- https://github.com/torvalds/linux/commit/97fc15436b36ee3956efad83e22a557991f7d19PatchVendor Advisory
FAQ
What is CVE-2014-7843?
CVE-2014-7843 is a vulnerability with a CVSS score of 4.9 (MEDIUM). The __clear_user function in arch/arm64/lib/clear_user.S in the Linux kernel before 3.17.4 on the ARM64 platform allows local users to cause a denial of service (system crash) by reading one byte beyo...
How severe is CVE-2014-7843?
CVE-2014-7843 has been rated MEDIUM with a CVSS base score of 4.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2014-7843?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.