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CVE-2007-4997

19
FAUCET Score

CVE-2007-4997 describes an integer underflow vulnerability in the Linux kernel's ieee80211_rx function, affecting versions 2.6.x before 2.6.23. This flaw allows remote attackers to trigger a denial of service (system crash) by sending a specially crafted, short IEEE 802.11 frame with a specific flag set. The vulnerability has a CVSS score of 7.1, indicating high severity due to its network-based attack vector and complete availability impact, though it requires medium attack complexity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.6.22.7CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.1HIGH

AV:N/AC:M/Au:N/C:N/I:N/A:C

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.24%
Probability of exploitation in next 30 days
EPSS Percentile
87.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0324 is in the 46th percentile among its peer group of 8,920 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: kernel-0:2.6.9-67.0.1.EL
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: kernel-0:2.6.18-53.1.4.el5
View patch

Vendor Advisories (1)

redhatCVE-2007-4997Important

kernel ieee80211 off-by-two integer underflow

Oct 2, 2007

References

ftp.kernel.org / pub/linux/kernel/people/bunk/linux-2.6.16.y/testing/ChangeLog-2.6.16.57-rc1
git.kernel.org
lists.opensuse.org / opensuse-security-announce/2007-12/msg00001.html
lists.opensuse.org / opensuse-security-announce/2008-02/msg00002.html
secunia.com / advisories/27555
secunia.com / advisories/27614
secunia.com / advisories/27824
secunia.com / advisories/27912
secunia.com / advisories/28033
secunia.com / advisories/28162
secunia.com / advisories/28170
secunia.com / advisories/28706
secunia.com / advisories/28806
secunia.com / advisories/28971
exchange.xforce.ibmcloud.com / vulnerabilities/38247
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10596
debian.org / security/2007/dsa-1428
kernel.org / pub/linux/kernel/v2.6/ChangeLog-2.6.23
Patch
mandriva.com / security/advisories
mandriva.com / security/advisories
mandriva.com / security/advisories
mandriva.com / security/advisories
novell.com / linux/security/advisories/2007_59_kernel.html
redhat.com / support/errata/RHSA-2007-0993.html
redhat.com / support/errata/RHSA-2007-1104.html
securityfocus.com / bid/26337
ubuntu.com / usn/usn-558-1
ubuntu.com / usn/usn-574-1
ubuntu.com / usn/usn-578-1
vupen.com / english/advisories/2007/3718