CVE-2013-4163
The ip6_append_data_mtu function in net/ipv6/ip6_output.c in the IPv6 implementation in the Linux kernel through 3.10.3 does not properly maintain information about whether the IPV6_MTU setsockopt option had been specified, which allows local users to…
Does this matter?
Lower severity and a low EPSS score (0.52%). Track it; it rarely justifies an emergency change on its own.
Description
The ip6_append_data_mtu function in net/ipv6/ip6_output.c in the IPv6 implementation in the Linux kernel through 3.10.3 does not properly maintain information about whether the IPV6_MTU setsockopt option had been specified, which allows local users to cause a denial of service (BUG and system crash) via a crafted application that uses the UDP_CORK option in a setsockopt system call.
- CVSS 2.0
- 4.7 MEDIUMAV:L/AC:M/Au:N/C:N/I:N/A:C
- EPSS
- 0.52% probability · 43th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-399
- Affected
- linux/linux kernel
- Source
- secalert@redhat.com
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=75a493e60ac4bbe2e977e7129d6d8cbb0dd236be
- http://lists.opensuse.org/opensuse-security-announce/2013-09/msg00003.html
- http://lists.opensuse.org/opensuse-security-announce/2013-09/msg00004.html
- http://secunia.com/advisories/54148
- http://www.openwall.com/lists/oss-security/2013/07/23/10
- http://www.securityfocus.com/bid/61412
- http://www.ubuntu.com/usn/USN-1938-1
- http://www.ubuntu.com/usn/USN-1941-1
- http://www.ubuntu.com/usn/USN-1942-1
- http://www.ubuntu.com/usn/USN-1943-1
- http://www.ubuntu.com/usn/USN-1944-1
- http://www.ubuntu.com/usn/USN-1945-1
- http://www.ubuntu.com/usn/USN-1946-1
- http://www.ubuntu.com/usn/USN-1947-1
- https://bugzilla.redhat.com/show_bug.cgi?id=987633
- https://github.com/torvalds/linux/commit/75a493e60ac4bbe2e977e7129d6d8cbb0dd236beExploit, Patch
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=75a493e60ac4bbe2e977e7129d6d8cbb0dd236be
- http://lists.opensuse.org/opensuse-security-announce/2013-09/msg00003.html
- http://lists.opensuse.org/opensuse-security-announce/2013-09/msg00004.html
- http://secunia.com/advisories/54148
- http://www.openwall.com/lists/oss-security/2013/07/23/10
- http://www.securityfocus.com/bid/61412
- http://www.ubuntu.com/usn/USN-1938-1
- http://www.ubuntu.com/usn/USN-1941-1
- http://www.ubuntu.com/usn/USN-1942-1
- http://www.ubuntu.com/usn/USN-1943-1
- http://www.ubuntu.com/usn/USN-1944-1
- http://www.ubuntu.com/usn/USN-1945-1
- http://www.ubuntu.com/usn/USN-1946-1
- http://www.ubuntu.com/usn/USN-1947-1
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.