CVE-2007-4997

Severity: high (CVSS 7.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-11-06 · updated 2026-06-16
Weakness: CWE-189

Description

Integer underflow in the ieee80211_rx function in net/ieee80211/ieee80211_rx.c in the Linux kernel 2.6.x before 2.6.23 allows remote attackers to cause a denial of service (crash) via a crafted SKB length value in a runt IEEE 802.11 frame when the IEEE80211_STYPE_QOS_DATA flag is set, aka an "off-by-two error."

Affected products

Linux kernel: through 2.6.22.7

References

http://git.kernel.org/?p=linux/kernel/git/avi/kvm.git%3Ba=commitdiff%3Bh=04045f98e0457aba7d4e6736f37eed189c48a5f7
http://lists.opensuse.org/opensuse-security-announce/2007-12/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2008-02/msg00002.html
http://secunia.com/advisories/27555
http://secunia.com/advisories/27614
http://secunia.com/advisories/27824
http://secunia.com/advisories/27912
http://secunia.com/advisories/28033
http://secunia.com/advisories/28162
http://secunia.com/advisories/28170
http://secunia.com/advisories/28706

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