CVE-2007-5501

The tcp_sacktag_write_queue function in net/ipv4/tcp_input.c in Linux kernel 2.6.21 through 2.6...

7.8 High

The tcp_sacktag_write_queue function in net/ipv4/tcp_input.c in Linux kernel 2.6.21 through 2.6.23.7, and 2.6.24-rc through 2.6.24-rc2, allows remote attackers to cause a denial of service (crash) via crafted ACK responses that trigger a NULL pointer dereference.

Exploit likelihood

3.82%Down 0.5 points since Feb 4, 2022

What each source reports

NVD Score used 7.8

Record: CVE-2007-5501
CVSS 2.0: 7.8 HighAV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness: CWE-399
Updated: 2026-11-02

CVE List No score

Record: CVE-2007-5501
Updated: 2026-11-02

EUVDEUVD-2007-5476 No score

Record: EUVD-2007-5476
Updated: 2026-11-03

GitHub AdvisoriesGHSA-r4cx-v58f-4gx6 No score

The tcp_sacktag_write_queue function in net/ipv4/tcp_input.c in Linux kernel 2.6.21 through 2.6...

Record: GHSA-r4cx-v58f-4gx6
Updated: 2026-11-02

Affected products

linux kernel

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	aliases, references, title	GitHub Advisories
Nov 2, 2026	first indexed	CVE List, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2007-5501 is a high vulnerability (CVSS 7.8) in Linux Kernel, published November 15, 2007. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.82%, the 90th percentile. No source names a fixed version.

References

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