Data handling in Linux kernel - CVE-2014-9803
Published: July 11, 2016 / Updated: July 12, 2016
Vulnerability identifier: #VU92456
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2014-9803
CWE-ID: CWE-19
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local non-authenticated attacker to execute arbitrary code.
The vulnerability exists due to data handling error within the __do_page_fault() and do_page_fault() functions in arch/arm64/mm/fault.c. A local non-authenticated attacker can execute arbitrary code.
How to mitigate CVE-2014-9803
Install update from vendor's repository.
Sources
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5a0fdfada3a2aa50d7b947a2e958bf00cbe0d830
- http://source.android.com/security/bulletin/2016-07-01.html
- https://github.com/torvalds/linux/commit/5a0fdfada3a2aa50d7b947a2e958bf00cbe0d830
- https://www.kernel.org/pub/linux/kernel/next/patch-v3.15-rc5-next-20140519.xz