SB2011011303 - Buffer overflow in Linux kernel
Published: January 13, 2011 Updated: August 11, 2020
Security Bulletin ID
SB2011011303
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2010-4527)
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
The load_mixer_volumes function in sound/oss/soundcard.c in the OSS sound subsystem in the Linux kernel before 2.6.37 incorrectly expects that a certain name field ends with a ' ' character, which allows local users to conduct buffer overflow attacks and gain privileges, or possibly obtain sensitive information from kernel memory, via a SOUND_MIXER_SETLEVELS ioctl call.
Remediation
Install update from vendor's website.
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d81a12bc29ae4038770e05dce4ab7f26fd5880fb
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00002.html
- http://openwall.com/lists/oss-security/2010/12/31/1
- http://openwall.com/lists/oss-security/2010/12/31/4
- http://secunia.com/advisories/42765
- http://secunia.com/advisories/43291
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.37
- http://www.securityfocus.com/bid/45629
- http://www.vupen.com/english/advisories/2011/0375
- http://xorl.wordpress.com/2011/01/09/cve-2010-4527-linux-kernel-oss-sound-card-driver-buffer-overflow/
- https://bugzilla.redhat.com/show_bug.cgi?id=667615