CVE-2007-5501

High

Description

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.

SeverityHigh
CVSS7.8
Exploit probability—
ProductLinux Kernel
PublishedNov 15, 2007
First seenNov 15, 2007

How to fix

Affected products

ProductAffected versionsFixed in
linux linux_kernel2.6.21, 2.6.21.1, 2.6.21.2, 2.6.21.3, 2.6.21.4, 2.6.21.5, 2.6.21.6, 2.6.21.7, 2.6.22, 2.6.22.1, 2.6.22.2, 2.6.22.3, 2.6.22.4, 2.6.22.5, 2.6.22.6, 2.6.22.7, 2.6.22.8, 2.6.22.9, 2.6.22.10, 2.6.22.11, 2.6.22.12, 2.6.22.13, 2.6.22.14, 2.6.22.15, 2.6.22.16, 2.6.22.17, 2.6.22.18, 2.6.22.19, 2.6.22.20, 2.6.22.21, 2.6.22.22, 2.6.23, 2.6.23.1, 2.6.23.2, 2.6.23.3, 2.6.23.4, 2.6.23.5, 2.6.23.6, 2.6.23.7, 2.6.24—

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