CVE-2007-4997

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."

Category

7.1
CVSS
Severity: High
CVSS 2.0 •
EPSS 4.57% Top 15%
Vendor Advisory redhat.com Vendor Advisory mandriva.com Vendor Advisory mandriva.com Vendor Advisory novell.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory mandriva.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory mandriva.com Vendor Advisory ubuntu.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://secunia.com/advisories/28162 third party advisory
http://www.redhat.com/support/errata/RHSA-2007-1104.html vendor advisory
http://secunia.com/advisories/28806 third party advisory
http://secunia.com/advisories/28706 third party advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/38247 vdb entry
http://www.mandriva.com/security/advisories?name=MDKSA-2007:226 vendor advisory
http://secunia.com/advisories/27824 third party advisory
http://www.securityfocus.com/bid/26337 vdb entry
http://www.mandriva.com/security/advisories?name=MDVSA-2008:008 vendor advisory
http://www.novell.com/linux/security/advisories/2007_59_kernel.html vendor advisory
http://www.debian.org/security/2007/dsa-1428 vendor advisory
http://secunia.com/advisories/27912 third party advisory
http://secunia.com/advisories/28033 third party advisory
http://www.redhat.com/support/errata/RHSA-2007-0993.html vendor advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10596 vdb entry signature
http://www.ubuntu.com/usn/usn-558-1 vendor advisory
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.23 patch
http://www.mandriva.com/security/advisories?name=MDVSA-2008:105 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2007-12/msg00001.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2008-02/msg00002.html vendor advisory
http://www.ubuntu.com/usn/usn-574-1 vendor advisory
http://secunia.com/advisories/27555 third party advisory
http://secunia.com/advisories/28971 third party advisory
http://secunia.com/advisories/28170 third party advisory
http://www.mandriva.com/security/advisories?name=MDKSA-2007:232 vendor advisory
http://secunia.com/advisories/27614 third party advisory
http://www.vupen.com/english/advisories/2007/3718 vdb entry
http://git.kernel.org/?p=linux/kernel/git/avi/kvm.git%3Ba=commitdiff%3Bh=04045f98e0457aba7d4e6736f37eed189c48a5f7
http://www.ubuntu.com/usn/usn-578-1 vendor advisory
ftp://ftp.kernel.org/pub/linux/kernel/people/bunk/linux-2.6.16.y/testing/ChangeLog-2.6.16.57-rc1

Frequently Asked Questions

What is the severity of CVE-2007-4997?
CVE-2007-4997 has been scored as a high severity vulnerability.
How to fix CVE-2007-4997?
To fix CVE-2007-4997, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2007-4997 being actively exploited in the wild?
It is possible that CVE-2007-4997 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~5% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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