Description
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.
Published: 2016-02-08
Score: 6.8 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-412-1 linux-2.6 security update
Debian DSA Debian DSA DSA-3448-1 linux security update
Debian DSA Debian DSA DSA-3503-1 linux security update
EUVD EUVD EUVD-2016-0754 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.
Ubuntu USN Ubuntu USN USN-2929-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-2929-2 Linux kernel (Trusty HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-2930-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-2930-2 Linux kernel (Wily HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-2930-3 Linux kernel (Raspberry Pi 2) vulnerabilities
Ubuntu USN Ubuntu USN USN-2932-1 Linux kernel (Vivid HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-2948-1 Linux kernel (Utopic HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-2967-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-2967-2 Linux kernel (OMAP4) vulnerabilities
References
Link Providers
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5c17c861a357e9458001f021a7afa7aab9937439 cve-icon cve-icon
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176464.html cve-icon cve-icon
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html cve-icon cve-icon
http://source.android.com/security/bulletin/2016-07-01.html cve-icon cve-icon
http://www.debian.org/security/2016/dsa-3448 cve-icon cve-icon
http://www.debian.org/security/2016/dsa-3503 cve-icon cve-icon
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html cve-icon cve-icon
http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html cve-icon cve-icon
http://www.securityfocus.com/bid/82950 cve-icon cve-icon
http://www.securitytracker.com/id/1035695 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-2929-1 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-2929-2 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-2930-1 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-2930-2 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-2930-3 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-2932-1 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-2948-1 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-2948-2 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-2967-1 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-2967-2 cve-icon cve-icon
https://bugzilla.redhat.com/show_bug.cgi?id=1296253 cve-icon cve-icon
https://github.com/torvalds/linux/commit/5c17c861a357e9458001f021a7afa7aab9937439 cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2016-0723 cve-icon
https://security-tracker.debian.org/tracker/CVE-2016-0723 cve-icon cve-icon
https://support.f5.com/csp/article/K43650115 cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2016-0723 cve-icon
History

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Subscriptions

Linux Linux Kernel
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-05T22:30:03.991Z

Reserved: 2015-12-16T00:00:00.000Z

Link: CVE-2016-0723

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2016-02-08T03:59:09.840

Modified: 2026-05-06T22:30:45.220

Link: CVE-2016-0723

cve-icon Redhat

Severity : Moderate

Publid Date: 2015-11-27T00:00:00Z

Links: CVE-2016-0723 - Bugzilla

cve-icon OpenCVE Enrichment

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