VulnerabilityModified
CVE-2015-4170
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…
MEDIUM 4.7EPSS 0.33%
Does this matter?
Lower severity and a low EPSS score (0.33%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.0
- 4.7 MEDIUMCVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 0.33% probability · 26th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-362
- Affected
- linux/linux kernel · redhat/enterprise linux compute node eus · redhat/enterprise linux for ibm z systems eus · redhat/enterprise linux for power big endian eus · redhat/enterprise linux for power little endian eus · redhat/enterprise linux server eus
- Source
- cve@mitre.org
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cf872776fc84128bb779ce2b83a37c884c3203aeVendor Advisory
- 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-2016:1395Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1218879Issue Tracking, VDB Entry
- https://github.com/torvalds/linux/commit/cf872776fc84128bb779ce2b83a37c884c3203ae
- https://www.kernel.org/pub/linux/kernel/next/patch-v3.13-rc4-next-20131218.xzPatch
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cf872776fc84128bb779ce2b83a37c884c3203aeVendor Advisory
- 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-2016:1395Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1218879Issue Tracking, VDB Entry
- https://github.com/torvalds/linux/commit/cf872776fc84128bb779ce2b83a37c884c3203ae
- https://www.kernel.org/pub/linux/kernel/next/patch-v3.13-rc4-next-20131218.xzPatch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.