CVE-2007-4997

High

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."

Package Linux Kernel
Published 2007-11-06
Last modified 2026-04-23
CVSS version 2.0
Patch available
Awaiting data

CVSS 2.0 score

7.1

out of 10
High
Attack Vector
Network
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
None
Integrity
None
Availability
Vector string
AV:N/AC:M/Au:N/C:N/I:N/A:C

Weakness type

CWE-189

CVE-2007-4997 is classified as CWE-189

See CWE-189 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2007-4997 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Frequently asked questions

  • What is CVE-2007-4997?

    CVE-2007-4997 is a High severity Linux kernel vulnerability with a CVSS score of 7.1 out of 10 . CVE-2007-4997 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2007-4997?

    CVE-2007-4997 has a CVSS score of 7.1 out of 10, rated High severity (CVSS 2.0). The vector string is AV:N/AC:M/Au:N/C:N/I:N/A:C .

  • Is there a patch available for CVE-2007-4997?

    No patch is currently available for CVE-2007-4997. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2007-4997 actively exploited?

    No — CVE-2007-4997 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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