CVE-2007-1592

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: 2007-03-22 · updated 2026-06-16
Weakness: CWE-119

Description

net/ipv6/tcp_ipv6.c in Linux kernel 2.6.x up to 2.6.21-rc3 inadvertently copies the ipv6_fl_socklist from a listening TCP socket to child sockets, which allows local users to cause a denial of service (OOPS) or double free by opening a listening IPv6 socket, attaching a flow label, and connecting to that socket.

Affected products

Linux kernel: 2.6.0, 2.6.1, 2.6.1-rc1, 2.6.1-rc2, 2.6.1-rc3, 2.6.2 (+232)

References

http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=233478
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d35690beda1429544d46c8eb34b2e3a8c37ab299
http://lists.suse.com/archive/suse-security-announce/2007-May/0001.html
http://marc.info/?l=linux-netdev&m=117406721731891&w=2
http://rhn.redhat.com/errata/RHBA-2007-0304.html
http://rhn.redhat.com/errata/RHSA-2007-0436.html
http://secunia.com/advisories/24618
http://secunia.com/advisories/24777
http://secunia.com/advisories/25078
http://secunia.com/advisories/25099
http://secunia.com/advisories/25226
http://secunia.com/advisories/25288

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