SB2010022601 - Integer overflow in Linux kernel net
Published: February 26, 2010
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Integer overflow (CVE-ID: CVE-2005-4886)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to integer overflow error within the selinux_parse_skb_ipv6() function in security/selinux/hooks.c, within the is_ineligible() and icmpv6_notify() functions in net/ipv6/icmp.c, within the ipv6_ext_hdr() and ipv6_skip_exthdr() functions in net/ipv6/exthdrs_core.c. A remote non-authenticated attacker can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=0d3d077cd4f1154e63a9858e47fe3fb1ad0c03e5
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/v2.6.12/ChangeLog-2.6.12-rc4
- http://www.openwall.com/lists/oss-security/2010/02/22/3
- https://bugzilla.redhat.com/show_bug.cgi?id=160117
- https://exchange.xforce.ibmcloud.com/vulnerabilities/56614