SB2008091102 - Buffer overflow in Linux kernel nfsd
Published: September 11, 2008
Security Bulletin ID
SB2008091102
CSH 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 vulnerability.
1) Buffer overflow (CVE-ID: CVE-2008-3915)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
The vulnerability exists due to memory corruption within the init_state() function in fs/nfsd/nfs4acl.c. A remote non-authenticated attacker can execute arbitrary code.
Remediation
Install update from vendor's website.
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=91b80969ba466ba4b915a4a1d03add8c297add3f
- http://lkml.org/lkml/2008/9/3/286
- http://secunia.com/advisories/31881
- http://secunia.com/advisories/32190
- http://secunia.com/advisories/32393
- http://www.debian.org/security/2008/dsa-1636
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.26.4
- http://www.openwall.com/lists/oss-security/2008/09/04/18
- http://www.openwall.com/lists/oss-security/2008/09/04/4
- http://www.redhat.com/support/errata/RHSA-2008-0857.html
- http://www.securityfocus.com/bid/31133
- http://www.ubuntu.com/usn/usn-659-1
- https://bugzilla.redhat.com/show_bug.cgi?id=461101
- https://exchange.xforce.ibmcloud.com/vulnerabilities/45055