Explain CVE-2015-1421
Use-after-free vulnerability in the sctp_assoc_update function in net/sctp/associola.c in the Linux kernel before 3.18.8 allows remote attackers to cause a denial of service (slab corruption and panic) or possibly have unspecified other impact by triggering an INIT collision that leads to improper handling of shared-key data.
Affected Products: n/a
References: [{'name': 'DSA-3170', 'tags': ['vendor-advisory', 'x_refsource_DEBIAN'], 'url': 'http://www.debian.org/security/2015/dsa-3170'}, {'name': 'USN-2542-1', 'tags': ['vendor-advisory', 'x_refsource_UBUNTU'], 'url': 'http://www.ubuntu.com/usn/USN-2542-1'}, {'name': 'USN-2562-1', 'tags': ['vendor-advisory', 'x_refsource_UBUNTU'], 'url': 'http://www.ubuntu.com/usn/USN-2562-1'}, {'name': 'USN-2546-1', 'tags': ['vendor-advisory', 'x_refsource_UBUNTU'], 'url': 'http://www.ubuntu.com/usn/USN-2546-1'}, {'name': 'RHSA-2015:1082', 'tags': ['vendor-advisory', 'x_refsource_REDHAT'], 'url': 'http://rhn.redhat.com/errata/RHSA-2015-1082.html'}, {'name': 'USN-2541-1', 'tags': ['vendor-advisory', 'x_refsource_UBUNTU'], 'url': 'http://www.ubuntu.com/usn/USN-2541-1'}, {'name': 'RHSA-2015:0751', 'tags': ['vendor-advisory', 'x_refsource_REDHAT'], 'url': 'http://rhn.redhat.com/errata/RHSA-2015-0751.html'}, {'name': 'USN-2563-1', 'tags': ['vendor-advisory', 'x_refsource_UBUNTU'], 'url': 'http://www.ubuntu.com/usn/USN-2563-1'}, {'name': 'SUSE-SU-2015:0832', 'tags': ['vendor-advisory', 'x_refsource_SUSE'], 'url': 'http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00001.html'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'https://github.com/torvalds/linux/commit/600ddd6825543962fb807884169e57b580dba208'}, {'name': '1032172', 'tags': ['vdb-entry', 'x_refsource_SECTRACK'], 'url': 'http://www.securitytracker.com/id/1032172'}, {'name': 'RHSA-2015:0864', 'tags': ['vendor-advisory', 'x_refsource_REDHAT'], 'url': 'http://rhn.redhat.com/errata/RHSA-2015-0864.html'}, {'name': '[oss-security] 20150129 Re: CVE request -- Linux kernel - net: sctp: slab corruption from use after free on INIT collisions', 'tags': ['mailing-list', 'x_refsource_MLIST'], 'url': 'http://www.openwall.com/lists/oss-security/2015/01/29/15'}, {'name': 'RHSA-2015:0782', 'tags': ['vendor-advisory', 'x_refsource_REDHAT'], 'url': 'http://rhn.redhat.com/errata/RHSA-2015-0782.html'}, {'name': 'USN-2545-1', 'tags': ['vendor-advisory', 'x_refsource_UBUNTU'], 'url': 'http://www.ubuntu.com/usn/USN-2545-1'}, {'name': 'SUSE-SU-2015:1478', 'tags': ['vendor-advisory', 'x_refsource_SUSE'], 'url': 'http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=600ddd6825543962fb807884169e57b580dba208'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=1196581'}, {'name': 'RHSA-2015:0726', 'tags': ['vendor-advisory', 'x_refsource_REDHAT'], 'url': 'http://rhn.redhat.com/errata/RHSA-2015-0726.html'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.8'}, {'name': '72356', 'tags': ['vdb-entry', 'x_refsource_BID'], 'url': 'http://www.securityfocus.com/bid/72356'}]
CVE State: PUBLISHED