SB2006040501 - Out-of-bounds read in Linux kernel
Published: April 5, 2006
Security Bulletin ID
SB2006040501
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2006-1055)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The fill_write_buffer function in sysfs/file.c in Linux kernel 2.6.12 up to versions before 2.6.17-rc1 does not 0 terminate a buffer when a length of PAGE_SIZE or more is requested, which might allow local users to cause a denial of service (crash) by causing an out-of-bounds read.
Remediation
Install update from vendor's website.
References
- http://lwn.net/Alerts/180820/
- http://secunia.com/advisories/19495
- http://secunia.com/advisories/19735
- http://secunia.com/advisories/19955
- http://secunia.com/advisories/20398
- http://secunia.com/advisories/20716
- http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=6e0dd741a89be35defa05bd79f4211c5a2762825
- http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=6e0dd741a89be35defa05bd79f4211c5a2762825;hp=597a7679dd83691be2f3a53e1f3f915b4a7f6eba
- http://www.novell.com/linux/security/advisories/2006-05-31.html
- http://www.osvdb.org/24443
- http://www.securityfocus.com/bid/17402
- http://www.trustix.org/errata/2006/0020
- http://www.ubuntu.com/usn/usn-302-1
- http://www.vupen.com/english/advisories/2006/1273
- http://www.vupen.com/english/advisories/2006/1475
- https://exchange.xforce.ibmcloud.com/vulnerabilities/25693
- https://usn.ubuntu.com/281-1/