CVE-2014-7843
MEDIUM · CVSS 4.9EPSS 0.4%EU EUVD
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.
Key facts
- CVSS score
- 4.9 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:L/AC:L/Au:N/C:N/I:N/A:C- Weakness (CWE)
- CWE-17
- EPSS score
- 0.4% (31th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2014-7697)
- Published
- November 30, 2014
- NVD last modified
- June 17, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2014-7697 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- linux / linux kernel
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=97fc15436b36ee3956efad83e22a557991f7d19d
- http://secunia.com/advisories/62305
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.17.4(Vendor 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=1163744(Patch, Vendor Advisory)
- https://github.com/torvalds/linux/commit/97fc15436b36ee3956efad83e22a557991f7d19d(Patch, Vendor Advisory)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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