CVE & CISA-KEV Catalog

CVE-2016-0723

MEDIUM
6.8
CVSS v3
NVD

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.

CWE-200Information ExposureCWE-362Race Condition

How to fix

Remediation Available
linuxDebian
Fixed in:4.3.3-6CVE-2016-0723
Fixed in:4.3.3-6CVE-2016-0723
Fixed in:4.3.3-6CVE-2016-0723
Fixed in:4.3.3-6CVE-2016-0723
linuxUbuntu
Fixed in:3.13.0-83.127USN-2929-1
linux-image-3.13.0-83-genericUbuntu
Fixed in:3.13.0-83.127USN-2929-1
linux-image-3.13.0-83-generic-lpaeUbuntu
Fixed in:3.13.0-83.127USN-2929-1
linux-image-3.13.0-83-lowlatencyUbuntu
Fixed in:3.13.0-83.127USN-2929-1
linux-image-3.13.0-83-powerpc-e500Ubuntu
Fixed in:3.13.0-83.127USN-2929-1
linux-image-3.13.0-83-powerpc-e500mcUbuntu
Fixed in:3.13.0-83.127USN-2929-1
linux-image-3.13.0-83-powerpc-smpUbuntu
Fixed in:3.13.0-83.127USN-2929-1
linux-image-3.13.0-83-powerpc64-embUbuntu
Fixed in:3.13.0-83.127USN-2929-1
linux-image-3.13.0-83-powerpc64-smpUbuntu
Fixed in:3.13.0-83.127USN-2929-1
linux-image-3.16.0-69-genericUbuntu
Fixed in:3.16.0-69.89~14.04.1USN-2948-1
linux-image-3.16.0-69-generic-lpaeUbuntu
Fixed in:3.16.0-69.89~14.04.1USN-2948-1
linux-image-3.16.0-69-lowlatencyUbuntu
Fixed in:3.16.0-69.89~14.04.1USN-2948-1
linux-image-3.16.0-69-powerpc-e500mcUbuntu
Fixed in:3.16.0-69.89~14.04.1USN-2948-1
linux-image-3.16.0-69-powerpc-smpUbuntu
Fixed in:3.16.0-69.89~14.04.1USN-2948-1
linux-image-3.16.0-69-powerpc64-embUbuntu
Fixed in:3.16.0-69.89~14.04.1USN-2948-1
linux-image-3.16.0-69-powerpc64-smpUbuntu
Fixed in:3.16.0-69.89~14.04.1USN-2948-1
linux-image-3.19.0-56-genericUbuntu
Fixed in:3.19.0-56.62~14.04.1USN-2932-1
linux-image-3.19.0-56-generic-lpaeUbuntu
Fixed in:3.19.0-56.62~14.04.1USN-2932-1
linux-image-3.19.0-56-lowlatencyUbuntu
Fixed in:3.19.0-56.62~14.04.1USN-2932-1
linux-image-3.19.0-56-powerpc-e500mcUbuntu
Fixed in:3.19.0-56.62~14.04.1USN-2932-1
linux-image-3.19.0-56-powerpc-smpUbuntu
Fixed in:3.19.0-56.62~14.04.1USN-2932-1
linux-image-3.19.0-56-powerpc64-embUbuntu
Fixed in:3.19.0-56.62~14.04.1USN-2932-1
linux-image-3.19.0-56-powerpc64-smpUbuntu
Fixed in:3.19.0-56.62~14.04.1USN-2932-1
linux-image-4.2.0-34-genericUbuntu
Fixed in:4.2.0-34.39~14.04.1USN-2930-2
linux-image-4.2.0-34-generic-lpaeUbuntu
Fixed in:4.2.0-34.39~14.04.1USN-2930-2
linux-image-4.2.0-34-lowlatencyUbuntu
Fixed in:4.2.0-34.39~14.04.1USN-2930-2
linux-image-4.2.0-34-powerpc-e500mcUbuntu
Fixed in:4.2.0-34.39~14.04.1USN-2930-2
linux-image-4.2.0-34-powerpc-smpUbuntu
Fixed in:4.2.0-34.39~14.04.1USN-2930-2
linux-image-4.2.0-34-powerpc64-embUbuntu
Fixed in:4.2.0-34.39~14.04.1USN-2930-2
linux-image-4.2.0-34-powerpc64-smpUbuntu
Fixed in:4.2.0-34.39~14.04.1USN-2930-2
linux-lts-utopicUbuntu
Fixed in:3.16.0-69.89~14.04.1USN-2948-1
linux-lts-vividUbuntu
Fixed in:3.19.0-56.62~14.04.1USN-2932-1
linux-lts-wilyUbuntu
Fixed in:4.2.0-34.39~14.04.1USN-2930-2

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityLow
IntegrityNone
AvailabilityHigh

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

Exploit Intelligence

0.38%probability of exploitation in 30 days
30thpercentile

Low risk: more likely to be exploited than 30% of all known CVEs.

References

Vendor Advisory1

Related Vulnerabilities

Other CWE-200 (Information Exposure) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2024-24919High8.6100%KEV + Ransom-
CVE-2020-14181Medium5.3100%-Fix
CVE-2021-34429Medium5.399%-Fix
CVE-2018-11409Medium5.398%--
CVE-2021-41277Critical10.097%KEV-
CVE-2016-2183High7.596%-Fix
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CVE-2016-0723 severity badge

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.