CVSS 3.0
4.7 mediumCVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:HCVE-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 during shutdown of a previous tty thread.
Severity
- EPSS
- 0.3% chance of exploitation in the next 30 days; higher than 25% of CVEs (scores of 2026-10-31)
- CWE
- CWE-362
- Published
- Modified
- Record from
- the NVD, synced
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
References
- 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