Integer signedness error in the find_ie function in net/wireless/scan.c in the cfg80211 subsystem in the Linux kernel before 220.127.116.11-rc1 allows remote attackers to cause a denial of service (soft lockup) via malformed packets.
CVSS Severity (version 2.0):
Impact Subscore: 6.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows disruption of service
Official Statement from Red Hat (09/22/2009)
Not vulnerable. This vulnerability was introduced into the Linux kernel in version 2.6.30-rc1 via upstream commit 2a519311, and therefore does not affect users of Red Hat Enterprise Linux 3, 4, 5, and Red Hat Enterprise MRG.
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[oss-security] 20090916 CVE request: kernel: cfg80211: fix looping soft lockup in find_ie()