SB2016101018 - Information exposure in Linux kernel arm64 mm
Published: October 10, 2016
Security Bulletin ID
SB2016101018
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Information exposure (CVE-ID: CVE-2015-8950)
The vulnerability allows a local non-authenticated attacker to gain access to sensitive information.
The vulnerability exists due to information exposure error within the __alloc_from_pool() and __dma_alloc_coherent() functions in arch/arm64/mm/dma-mapping.c. A local non-authenticated attacker can gain access to sensitive information.
Remediation
Install update from vendor's website.
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6829e274a623187c24f7cfc0e3d35f25d087fcc5
- http://source.android.com/security/bulletin/2016-10-01.html
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.3
- http://www.securityfocus.com/bid/93318
- https://github.com/torvalds/linux/commit/6829e274a623187c24f7cfc0e3d35f25d087fcc5
- https://source.codeaurora.org/quic/la/kernel/msm-3.10/commit/?id=6e2c437a2d0a85d90d3db85a7471f99764f7bbf8