CVE-2014-0196
MediumActively exploited (CISA KEV)
Description
The n_tty_write function in drivers/tty/n_tty.c in the Linux kernel through 3.14.3 does not properly manage tty driver access in the "LECHO & !OPOST" case, which allows local users to cause a denial of service (memory corruption and system crash) or gain privileges by triggering a race condition involving read and write operations with long strings.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedMay 7, 2014
First seenMay 7, 2014
Added to KEVMay 12, 2023
Weakness typeCWE-362Race condition
How to fix
CISA required action
The impacted product is end-of-life and should be disconnected if still in use.
CISA due date: Jun 2, 2023Update
- linux linux_kernel3.2.59, 3.4.91, 3.10.40, 3.12.20, 3.14.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 2.6.31 < v < 3.2.59, 3.3 ≤ v < 3.4.91, 3.5 ≤ v < 3.10.40, 3.11 ≤ v < 3.12.20, 3.13 ≤ v < 3.14.4, 2.6.31 | 3.2.59, 3.4.91, 3.10.40, 3.12.20, 3.14.4 |
| debian debian_linux | 6.0, 7.0 | — |
| redhat enterprise_linux | 6.0 | — |
| redhat enterprise_linux_eus | 6.3, 6.4 | — |
| redhat enterprise_linux_server_eus | 6.3 | — |
| suse suse_linux_enterprise_desktop | 11 | — |
| suse suse_linux_enterprise_high_availability_extension | 11 | — |
| suse suse_linux_enterprise_server | 11 | — |
| oracle linux | 6 | — |
| canonical ubuntu_linux | 10.04, 12.04, 12.10, 13.10, 14.04 | — |
| f5 big-ip_access_policy_manager | 11.1.0 ≤ v ≤ 11.5.1 | — |
| f5 big-ip_advanced_firewall_manager | 11.3.0 ≤ v ≤ 11.5.1 | — |
| f5 big-ip_analytics | 11.1.0 ≤ v ≤ 11.5.1 | — |
| f5 big-ip_application_acceleration_manager | 11.4.0 ≤ v ≤ 11.5.1 | — |
| f5 big-ip_application_security_manager | 11.1.0 ≤ v ≤ 11.5.1 | — |
| f5 big-ip_edge_gateway | 11.1.0 ≤ v ≤ 11.3.0 | — |
| f5 big-ip_global_traffic_manager | 11.1.0 ≤ v ≤ 11.5.1 | — |
| f5 big-ip_link_controller | 11.1.0 ≤ v ≤ 11.5.1 | — |
| f5 big-ip_local_traffic_manager | 11.1.0 ≤ v ≤ 11.5.1 | — |
| f5 big-ip_policy_enforcement_manager | 11.3.0 ≤ v ≤ 11.5.1 | — |
| f5 big-ip_protocol_security_module | 11.1.0 ≤ v ≤ 11.4.1 | — |
| f5 big-ip_wan_optimization_manager | 11.1.0 ≤ v ≤ 11.3.0 | — |
| f5 big-ip_webaccelerator | 11.1.0 ≤ v ≤ 11.3.0 | — |
| f5 big-iq_application_delivery_controller | 4.5.0 | — |
| f5 big-iq_centralized_management | 4.6.0 | — |
| f5 big-iq_cloud | 4.0.0 ≤ v ≤ 4.5.0 | — |
| f5 big-iq_cloud_and_orchestration | 1.0.0 | — |
| f5 big-iq_device | 4.2.0 ≤ v ≤ 4.5.0 | — |
| f5 big-iq_security | 4.0.0 ≤ v ≤ 4.5.0 | — |
| f5 enterprise_manager | 3.1.0, 3.1.1 | — |
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