CVE-2015-4170: Race Condition
First published: Wed May 06 2015(Updated: )
Race condition in the ldsem_cmpxchg function in drivers/tty/tty_ldsem.c in the Linux kernel before 3.13-rc4-next-20131218 allows local users to cause a denial of service (ldsem_down_read and ldsem_down_write deadlock) by establishing a new tty thread during shutdown of a previous tty thread.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <=3.13.3 | |
| Redhat Enterprise Linux Compute Node Eus | =7.1 | |
| Redhat Enterprise Linux For Ibm Z Systems Eus | =7.1_s390x | |
| Redhat Enterprise Linux For Power Big Endian Eus | =7.1_ppc64 | |
| Redhat Enterprise Linux For Power Little Endian Eus | =7.1_ppc64le | |
| Redhat Enterprise Linux Server Eus | =7.1 |
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Reference Links
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cf872776fc84128bb779ce2b83a37c884c3203ae
- http://www.openwall.com/lists/oss-security/2015/05/26/1
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.securityfocus.com/bid/74820
- https://access.redhat.com/errata/RHSA-2016:1395
- https://bugzilla.redhat.com/show_bug.cgi?id=1218879
- https://github.com/torvalds/linux/commit/cf872776fc84128bb779ce2b83a37c884c3203ae
- https://www.kernel.org/pub/linux/kernel/next/patch-v3.13-rc4-next-20131218.xz
- http://seclists.org/oss-sec/2015/q2/545
- https://rhn.redhat.com/errata/RHSA-2015-2411.html
- https://rhn.redhat.com/errata/RHSA-2015-2152.html
- collector/nvd-index
- agent/type
- agent/softwarecombine
- agent/first-publish-date
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2015-4170
- agent/last-modified-date
- agent/tags
- agent/references
- agent/remedy
- agent/severity
- agent/author
- agent/weakness
- agent/description
- agent/event
- collector/mitre-cve
- source/MITRE
- vendor/linux
- canonical/linux linux kernel
- version/linux linux kernel/3.13.3
- vendor/redhat
- canonical/redhat enterprise linux compute node eus
- version/redhat enterprise linux compute node eus/7.1
- canonical/redhat enterprise linux for ibm z systems eus
- version/redhat enterprise linux for ibm z systems eus/7.1_s390x
- canonical/redhat enterprise linux for power big endian eus
- version/redhat enterprise linux for power big endian eus/7.1_ppc64
- canonical/redhat enterprise linux for power little endian eus
- version/redhat enterprise linux for power little endian eus/7.1_ppc64le
- canonical/redhat enterprise linux server eus
- version/redhat enterprise linux server eus/7.1