Time-of-check Time-of-use (TOCTOU) Affecting kernel-rt package, versions <0:3.10.0-327.22.2.rt56.230.el7_2
Threat Intelligence
EPSS
0.18% (56th
percentile)
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Test your applications- Snyk ID SNYK-RHEL7-KERNELRT-4618201
- published 26 Jul 2021
- disclosed 11 Jan 2015
Introduced: 11 Jan 2015
CVE-2015-8767 Open this link in a new tabHow to fix?
Upgrade RHEL:7 kernel-rt to version 0:3.10.0-327.22.2.rt56.230.el7_2 or higher.
This issue was patched in RHSA-2016:1301.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt package and not the kernel-rt package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
net/sctp/sm_sideeffect.c in the Linux kernel before 4.3 does not properly manage the relationship between a lock and a socket, which allows local users to cause a denial of service (deadlock) via a crafted sctp_accept call.
References
- http://www.securityfocus.com/bid/80268
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=635682a14427d241bab7bbdeebb48a7d7b91638e
- https://bugzilla.redhat.com/show_bug.cgi?id=1297389
- https://github.com/torvalds/linux/commit/635682a14427d241bab7bbdeebb48a7d7b91638e
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- https://access.redhat.com/security/cve/CVE-2015-8767
- http://www.debian.org/security/2016/dsa-3448
- http://www.debian.org/security/2016/dsa-3503
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html
- http://www.openwall.com/lists/oss-security/2016/01/11/4
- http://rhn.redhat.com/errata/RHSA-2016-0715.html
- https://access.redhat.com/errata/RHSA-2016:1301
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
- http://www.ubuntu.com/usn/USN-2930-1
- http://www.ubuntu.com/usn/USN-2930-2
- http://www.ubuntu.com/usn/USN-2930-3
- http://www.ubuntu.com/usn/USN-2931-1
- http://www.ubuntu.com/usn/USN-2932-1
- http://www.ubuntu.com/usn/USN-2967-1
- http://www.ubuntu.com/usn/USN-2967-2
CVSS Scores
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