CVE-2007-1496

Severity: medium (CVSS 4.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-03-16 · updated 2026-06-16

Description

nfnetlink_log in netfilter in the Linux kernel before 2.6.20.3 allows attackers to cause a denial of service (crash) via unspecified vectors involving the (1) nfulnl_recv_config function, (2) using "multiple packets per netlink message", and (3) bridged packets, which trigger a NULL pointer dereference.

Affected products

Linux kernel: through 2.6.20.2

References

http://secunia.com/advisories/24492
http://secunia.com/advisories/25228
http://secunia.com/advisories/25288
http://secunia.com/advisories/25392
http://secunia.com/advisories/25961
http://secunia.com/advisories/26620
http://www.debian.org/security/2007/dsa-1289
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.20.3
http://www.mandriva.com/security/advisories?name=MDKSA-2007:171
http://www.novell.com/linux/security/advisories/2007_43_kernel.html
http://www.redhat.com/support/errata/RHSA-2007-0347.html
http://www.securityfocus.com/bid/22946

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