SB2016050217 - Integer overflow in Linux kernel fs
Published: May 2, 2016
Security Bulletin ID
SB2016050217
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Integer overflow (CVE-ID: CVE-2012-6701)
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to integer overflow within the aio_setup_vectored_rw(), aio_setup_single_vector() and aio_setup_iocb() functions in fs/aio.c. A local user can execute arbitrary code.
Remediation
Install update from vendor's website.
References
- https://github.com/torvalds/linux/commit/a70b52ec1aaeaf60f4739edb1b422827cb6f3893
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a70b52ec1aaeaf60f4739edb1b422827cb6f3893
- https://bugzilla.redhat.com/show_bug.cgi?id=1314288
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.1
- http://www.openwall.com/lists/oss-security/2016/03/02/9
- https://access.redhat.com/errata/RHSA-2018:1854