CVE-2010-4565

Severity: low (CVSS 2.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2010-12-29 · updated 2026-06-16
Weakness: CWE-200

Description

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.

Affected products

Linux kernel: through 2.6.36

References

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
http://openwall.com/lists/oss-security/2010/11/03/3

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