CVE-2014-7826

 

Published at: - 10-11-2014 12:55

Last modified: - 17-01-2023 10:29

Total changes: - 3

Description

kernel/trace/trace_syscalls.c in the Linux kernel through 3.17.2 does not properly handle private syscall numbers during use of the ftrace subsystem, which allows local users to gain privileges or cause a denial of service (invalid pointer dereference) via a crafted application.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

 

Verification logic

 

Reference

• https://bugzilla.redhat.com/show_bug.cgi?id=1161565
• https://github.com/torvalds/linux/commit/086ba77a6db00ed858ff07451bedee197df868c9
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=086ba77a6db00ed858ff07451bedee197df868c9
• [oss-security] 20141106 Exploitable issues in Linux perf/ftrace subsystems-Mailing List, Patch, Third Party Advisory
• RHSA-2014:1943-Third Party Advisory
• SUSE-SU-2015:0481-Mailing List, Third Party Advisory
• RHSA-2015:0290-Third Party Advisory
• openSUSE-SU-2015:0566-Mailing List, Third Party Advisory
• 70971-Third Party Advisory, VDB Entry
• linux-kernel-cve20147826-dos(98556)-Third Party Advisory, VDB Entry
• RHSA-2015:0864-Third Party Advisory

 

Keywords

NVD

 

CVE-2014-7826

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures