CVE-2014-7843: linux linux_kernel DEPRECATED: Code
Vulnerability summary
CVE-2014-7843 is a medium (CVSS 4.9) DEPRECATED: Code vulnerability in linux linux_kernel. EPSS estimates a 0.37% chance of exploitation in the next 30 days, higher than 31.3% of scored vulnerabilities.
Not severe (CVSS 4.9, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2 · Related 2Timeline
- 30-11-2014PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
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 metrics
1 score · 1 source · 1 versionEPSS trend
Probability
0.37%
Chance of exploitation in the next 30 days
Percentile
31%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.37% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, no authentication (CVSS vector). Other conditions: not stated in public data.
Ubuntu2 products
- linux< 3.13.0-44.73
- linux-lts-utopic< 3.16.0-29.39~14.04.1
Debian1 product
- linux< 3.16.7-ckt2-1
Linux1 product
- linux_kernel≤ 3.17.3
3 vendors · 4 products
References
14 links- github.com/torvalds/linux/commit/97fc15436b36ee3956efad83e22a557991f7d19dX Refsource CONFIRMPatchVendor Advisory
- git.kernel.orgX Refsource CONFIRM
