CVE-2007-3642

Linux Kernel < 2.6.20.14 - Numeric Error

Title source: rule

Description

The decode_choice function in net/netfilter/nf_conntrack_h323_asn1.c in the Linux kernel before 2.6.20.15, 2.6.21.x before 2.6.21.6, and before 2.6.22 allows remote attackers to cause a denial of service (crash) via an encoded, out-of-range index value for a choice field, which triggers a NULL pointer dereference.

References (13)

[Patch] http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=25845b5155b55cd77e42655ec24161ba3feffa47

[Various Sources] http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.20.15

[Various Sources] http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.21.6

[Third Party Advisory, VDB Entry] http://osvdb.org/37117

[Patch, Vendor Advisory] http://secunia.com/advisories/25955

[Vendor Advisory] http://secunia.com/advisories/26450

[Vendor Advisory] http://secunia.com/advisories/27212

[Vendor Advisory] http://www.mandriva.com/security/advisories?name=MDKSA-2007:195

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/24818

[Vendor Advisory] http://www.ubuntu.com/usn/usn-510-1

[Vendor Advisory] http://www.vupen.com/english/advisories/2007/2466

[Various Sources] http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22

[Third Party Advisory] http://www.debian.org/security/2007/dsa-1356

Scores

EPSS 0.0235

EPSS Percentile 84.7%

Classification

CWE

CWE-189

Status draft

Affected Products (50)

linux/linux_kernel < 2.6.20.14

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

... and 35 more

Timeline

Published Jul 10, 2007

Tracked Since Feb 18, 2026