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.
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
Source: MITRE
Published: 2016-05-02
Updated: 2017-11-12
Type: CWE-362
Base Score: 4.7
Vector: AV:L/AC:M/Au:N/C:N/I:N/A:C
Impact Score: 6.9
Exploitability Score: 3.4
Severity: MEDIUM
Base Score: 4.7
Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 1
Severity: MEDIUM
OR
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to 3.13.3 (inclusive)
OR
cpe:2.3:o:redhat:enterprise_linux_compute_node_eus:7.1:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:7.1_s390x:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:7.1_ppc64:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:7.1_ppc64le:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.1:*:*:*:*:*:*:*
ID | Name | Product | Family | Severity |
---|---|---|---|---|
124982 | EulerOS Virtualization for ARM 64 3.0.1.0 : kernel (EulerOS-SA-2019-1529) | Nessus | Huawei Local Security Checks | high |
124811 | EulerOS Virtualization 3.0.1.0 : kernel (EulerOS-SA-2019-1487) | Nessus | Huawei Local Security Checks | high |
99791 | EulerOS 2.0 SP1 : kernel (EulerOS-SA-2016-1028) | Nessus | Huawei Local Security Checks | medium |
92029 | RHEL 7 : kernel (RHSA-2016:1395) | Nessus | Red Hat Local Security Checks | medium |
88571 | RHEL 7 : kernel-rt (RHSA-2015:2411) | Nessus | Red Hat Local Security Checks | medium |
87559 | Scientific Linux Security Update : kernel on SL7.x x86_64 (20151119) | Nessus | Scientific Linux Local Security Checks | medium |
87135 | CentOS 7 : kernel (CESA-2015:2152) | Nessus | CentOS Local Security Checks | high |
87090 | Oracle Linux 7 : kernel (ELSA-2015-2152) | Nessus | Oracle Linux Local Security Checks | high |
86972 | RHEL 7 : kernel (RHSA-2015:2152) | Nessus | Red Hat Local Security Checks | high |