CVE-2015-1421
critical
CVSS v3
—
CVSS v2
10.0
VIR risk
10.0
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2015-1421
Vendor advisory: cve@mitre.org — http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.8
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | 7.0 | affected | |
| debian | 8.0 | affected | |
| linux-kernel | affected | 3.2.67 | |
| ubuntu | 12.04 | affected | |
| ubuntu | 14.04 | affected | |
| ubuntu | 14.10 | affected | |
| debian | bookworm | fixed | 3.16.7-ckt4-3 |
| debian | bullseye | fixed | 3.16.7-ckt4-3 |
| debian | forky | fixed | 3.16.7-ckt4-3 |
| debian | sid | fixed | 3.16.7-ckt4-3 |
| debian | trixie | fixed | 3.16.7-ckt4-3 |
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=600ddd6825543962fb807884169e57b580dba208
- http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00001.html
- http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html
- http://rhn.redhat.com/errata/RHSA-2015-0726.html
- http://rhn.redhat.com/errata/RHSA-2015-0751.html
- http://rhn.redhat.com/errata/RHSA-2015-0782.html
- http://rhn.redhat.com/errata/RHSA-2015-0864.html
- http://rhn.redhat.com/errata/RHSA-2015-1082.html
- http://www.debian.org/security/2015/dsa-3170
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.8
- http://www.openwall.com/lists/oss-security/2015/01/29/15
- http://www.securityfocus.com/bid/72356
- http://www.securitytracker.com/id/1032172
- http://www.ubuntu.com/usn/USN-2541-1
- http://www.ubuntu.com/usn/USN-2542-1
- http://www.ubuntu.com/usn/USN-2545-1
- http://www.ubuntu.com/usn/USN-2546-1
- http://www.ubuntu.com/usn/USN-2562-1
- http://www.ubuntu.com/usn/USN-2563-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1196581
- https://github.com/torvalds/linux/commit/600ddd6825543962fb807884169e57b580dba208
- https://security-tracker.debian.org/tracker/CVE-2015-1421
Verify integrity in audit chain (admin only). AS-IS.