Information exposure in Linux kernel - CVE-2010-4565
Published: December 29, 2010 / Updated: August 10, 2020
Vulnerability identifier: #VU92818
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2010-4565
CWE-ID: CWE-200
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to gain access to sensitive information.
The bcm_connect function in net/can/bcm.c (aka the Broadcast Manager) in the Controller Area Network (CAN) implementation in the Linux kernel 2.6.36 and earlier creates a publicly accessible file with a filename containing a kernel memory address, which allows local users to obtain potentially sensitive information about kernel memory use by listing this filename.
How to mitigate CVE-2010-4565
Install update from vendor's repository.
Sources
- http://openwall.com/lists/oss-security/2010/11/03/3
- http://openwall.com/lists/oss-security/2010/11/04/4
- http://openwall.com/lists/oss-security/2010/12/20/2
- http://openwall.com/lists/oss-security/2010/12/21/1
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:029
- http://www.securityfocus.com/bid/44661
- http://www.spinics.net/lists/netdev/msg145791.html
- http://www.spinics.net/lists/netdev/msg145796.html
- http://www.spinics.net/lists/netdev/msg146270.html
- http://www.spinics.net/lists/netdev/msg146468.html
- https://bugzilla.redhat.com/show_bug.cgi?id=664544