CVE-2015-1421

Description

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.

10.0

CVSS

Severity: Critical

CVSS 2.0 •

EPSS 25.94% Top 5%

Vendor Advisory debian.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory kernel.org

Affected: n/a n/a

References

Link	Tags
http://www.debian.org/security/2015/dsa-3170	third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2542-1	third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2562-1	third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2546-1	third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2015-1082.html	third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2541-1	third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2015-0751.html	third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2563-1	third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00001.html	mailing list third party advisory vendor advisory
https://github.com/torvalds/linux/commit/600ddd6825543962fb807884169e57b580dba208	third party advisory
http://www.securitytracker.com/id/1032172	vdb entry third party advisory
http://rhn.redhat.com/errata/RHSA-2015-0864.html	third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2015/01/29/15	third party advisory mailing list
http://rhn.redhat.com/errata/RHSA-2015-0782.html	third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2545-1	third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html	mailing list third party advisory vendor advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=600ddd6825543962fb807884169e57b580dba208
https://bugzilla.redhat.com/show_bug.cgi?id=1196581	issue tracking third party advisory
http://rhn.redhat.com/errata/RHSA-2015-0726.html	third party advisory vendor advisory
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.8	vendor advisory
http://www.securityfocus.com/bid/72356	vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2015-1421?: CVE-2015-1421 has been scored as a critical severity vulnerability.
How to fix CVE-2015-1421?: To fix CVE-2015-1421, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-1421 being actively exploited in the wild?: It is possible that CVE-2015-1421 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~26% probability that this vulnerability will be exploited by malicious actors in the next 30 days.