SB2016070416 - Race condition in Debian Linux
Published: July 4, 2016 Updated: August 9, 2020
Security Bulletin ID
SB2016070416
CSH 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 vulnerability.
1) Race condition (CVE-ID: CVE-2016-6130)
CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local authenticated user to gain access to sensitive information.
Race condition in the sclp_ctl_ioctl_sccb function in drivers/s390/char/sclp_ctl.c in the Linux kernel before 4.6 allows local users to obtain sensitive information from kernel memory by changing a certain length value, aka a "double fetch" vulnerability.
Remediation
Install update from vendor's website.
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=532c34b5fbf1687df63b3fcd5b2846312ac943c6
- http://www.debian.org/security/2016/dsa-3616
- http://www.securityfocus.com/archive/1/538803/30/0/threaded
- http://www.securityfocus.com/bid/91540
- https://bugzilla.kernel.org/show_bug.cgi?id=116741
- https://github.com/torvalds/linux/commit/532c34b5fbf1687df63b3fcd5b2846312ac943c6