SB2010112908 - Information exposure in Linux kernel usb serial driver
Published: November 29, 2010
Security Bulletin ID
SB2010112908
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-2010-4074)
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to information exposure error within the mos7840_ioctl() function in drivers/usb/serial/mos7840.c, within the mos7720_ioctl() function in drivers/usb/serial/mos7720.c. A local user can gain access to sensitive information.
Remediation
Install update from vendor's website.
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a0846f1868b11cd827bdfeaf4527d8b1b1c0b098
- http://lkml.org/lkml/2010/9/15/392
- http://secunia.com/advisories/42890
- http://www.debian.org/security/2010/dsa-2126
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/v2.6.36/ChangeLog-2.6.36-rc5
- http://www.openwall.com/lists/oss-security/2010/09/25/2
- http://www.openwall.com/lists/oss-security/2010/10/06/6
- http://www.openwall.com/lists/oss-security/2010/10/07/1
- http://www.openwall.com/lists/oss-security/2010/10/25/3
- http://www.redhat.com/support/errata/RHSA-2010-0958.html
- http://www.redhat.com/support/errata/RHSA-2011-0007.html
- http://www.securityfocus.com/bid/45074
- https://bugzilla.redhat.com/show_bug.cgi?id=648659