Information disclosure in Linux Kernel
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.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (29.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 29.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Weakness classification (CWE)
References
- security-tracker.debian.org/tracker/CVE-2016-0723
- www.ubuntu.com/usn/USN-2930-1 (vendor-advisory)
- www.ubuntu.com/usn/USN-2967-1 (vendor-advisory)
- www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- bugzilla.redhat.com/show_bug.cgi
- www.ubuntu.com/usn/USN-2930-2 (vendor-advisory)
- www.debian.org/security/2016/dsa-3503 (vendor-advisory)
- www.ubuntu.com/usn/USN-2967-2 (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html (vendor-advisory)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Vendor Advisory)
Frequently asked questions
- What is CVE-2016-0723?
- CVE-2016-0723 is a medium-severity vulnerability in Linux Kernel, classified under Information Disclosure. CVSS score: 6.8/10. Published 2016-02-08.
- How severe is CVE-2016-0723?
- Medium severity. CVSS v3 base score is 6.8 out of 10.