CVE-2014-7843
UnknownEPSS 0.37%
Last modified
CVE-2014-7843 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.37% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 3.17.3 |
References
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.17.4Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1163744Patch, Vendor Advisory
- https://github.com/torvalds/linux/commit/97fc15436b36ee3956efad83e22a557991f7d19dPatch, Vendor Advisory
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.17.4Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1163744Patch, Vendor Advisory
- https://github.com/torvalds/linux/commit/97fc15436b36ee3956efad83e22a557991f7d19dPatch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2014-7843?
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.
How severe is CVE-2014-7843?
Severity scoring for CVE-2014-7843 is pending analysis. The EPSS model estimates a 0.37% probability of exploitation in the next 30 days.
How do I fix CVE-2014-7843?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2014-7843?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST