CVE-2016-0723

Race condition in the tty_ioctl function in drivers/tty/tty_io.c in the Linux kernel through 4.4.1 allows local users to obtain sensitive information from kernel memory or cause a denial of service (use-after-free and system crash) by making a TIOCGETD ioctl call during processing of a TIOCSETD ioctl call.

• CVE ID
• CVE-2016-0723

• Assigner
• secalert@redhat.com

• Vulnerability Status
• Modified

• Published Version
• 2016-02-08T03:59:09

• Last Modified Date
• 2016-12-06T03:05:32

• Version
• 2.0

• Vector String
• AV:L/AC:L/Au:N/C:P/I:N/A:C

• Access Vector
• LOCAL

• Access Compatibility
• LOW

• Authentication
• NONE

• Confidentiality Impact
• PARTIAL

• Integrity Impact
• NONE

• Availability Impact
• COMPLETE

• Base Score
• 5.6

• Severity
• MEDIUM

• Exploitability Score
• 3.9

• Impact Score
• 7.8

• Version
• 3.0

• Vector String
• CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

• Attack Vector
• LOCAL

• Attack Compatibility
• LOW

• Privileges Required
• NONE

• User Interaction
• NONE

• Scope
• UNCHANGED

• Confidentiality Impact
• LOW

• Availability Impact
• HIGH

• Base Score
• 6.8

• Base Severity
• MEDIUM

• Exploitability Score
• 2.5

• Impact Score
• 4.2