SB2014021506 - Information disclosure in Linux kernel
Published: February 15, 2014 Updated: August 10, 2020
Security Bulletin ID
SB2014021506
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Information disclosure (CVE-ID: CVE-2011-2909)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
The do_devinfo_ioctl function in drivers/staging/comedi/comedi_fops.c in the Linux kernel before 3.1 allows local users to obtain sensitive information from kernel memory via a copy of a short string.
Remediation
Install update from vendor's website.
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=819cbb120eaec7e014e5abd029260db1ca8c5735
- http://www.openwall.com/lists/oss-security/2011/08/12/1
- https://github.com/torvalds/linux/commit/819cbb120eaec7e014e5abd029260db1ca8c5735
- https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.1.bz2