CVE & CISA-KEV Catalog

CVE-2017-7495

MEDIUM
5.5
CVSS v3
NVD

Description

fs/ext4/inode.c in the Linux kernel before 4.6.2, when ext4 data=ordered mode is used, mishandles a needs-flushing-before-commit list, which allows local users to obtain sensitive information from other users' files in opportunistic circumstances by waiting for a hardware reset, creating a new file, making write system calls, and reading this file.

How to fix

Remediation Available
linuxDebian
Fixed in:4.6.2-1CVE-2017-7495
Fixed in:4.6.2-1CVE-2017-7495
Fixed in:4.6.2-1CVE-2017-7495
Fixed in:4.6.2-1CVE-2017-7495
linuxUbuntu
Fixed in:3.13.0-129.178USN-3406-1
Fixed in:4.4.0-93.116USN-3405-1
linux-awsUbuntu
Fixed in:4.4.0-1032.41USN-3405-1
linux-gkeUbuntu
Fixed in:4.4.0-1028.28USN-3405-1
linux-image-3.13.0-129-genericUbuntu
Fixed in:3.13.0-129.178USN-3406-1
linux-image-3.13.0-129-generic-lpaeUbuntu
Fixed in:3.13.0-129.178USN-3406-1
linux-image-3.13.0-129-lowlatencyUbuntu
Fixed in:3.13.0-129.178USN-3406-1
linux-image-3.13.0-129-powerpc-e500Ubuntu
Fixed in:3.13.0-129.178USN-3406-1
linux-image-3.13.0-129-powerpc-e500mcUbuntu
Fixed in:3.13.0-129.178USN-3406-1
linux-image-3.13.0-129-powerpc-smpUbuntu
Fixed in:3.13.0-129.178USN-3406-1
linux-image-3.13.0-129-powerpc64-embUbuntu
Fixed in:3.13.0-129.178USN-3406-1
linux-image-3.13.0-129-powerpc64-smpUbuntu
Fixed in:3.13.0-129.178USN-3406-1
linux-image-4.4.0-1028-gkeUbuntu
Fixed in:4.4.0-1028.28USN-3405-1
linux-image-4.4.0-1032-awsUbuntu
Fixed in:4.4.0-1032.41USN-3405-1
linux-image-4.4.0-1071-raspi2Ubuntu
Fixed in:4.4.0-1071.79USN-3405-1
linux-image-4.4.0-1073-snapdragonUbuntu
Fixed in:4.4.0-1073.78USN-3405-1
linux-image-4.4.0-93-genericUbuntu
Fixed in:4.4.0-93.116~14.04.1USN-3405-2
Fixed in:4.4.0-93.116USN-3405-1
linux-image-4.4.0-93-generic-lpaeUbuntu
Fixed in:4.4.0-93.116~14.04.1USN-3405-2
Fixed in:4.4.0-93.116USN-3405-1
linux-image-4.4.0-93-lowlatencyUbuntu
Fixed in:4.4.0-93.116~14.04.1USN-3405-2
Fixed in:4.4.0-93.116USN-3405-1
linux-image-4.4.0-93-powerpc-e500mcUbuntu
Fixed in:4.4.0-93.116~14.04.1USN-3405-2
Fixed in:4.4.0-93.116USN-3405-1
linux-image-4.4.0-93-powerpc-smpUbuntu
Fixed in:4.4.0-93.116~14.04.1USN-3405-2
Fixed in:4.4.0-93.116USN-3405-1
linux-image-4.4.0-93-powerpc64-embUbuntu
Fixed in:4.4.0-93.116~14.04.1USN-3405-2
Fixed in:4.4.0-93.116USN-3405-1
linux-image-4.4.0-93-powerpc64-smpUbuntu
Fixed in:4.4.0-93.116~14.04.1USN-3405-2
Fixed in:4.4.0-93.116USN-3405-1
linux-lts-xenialUbuntu
Fixed in:4.4.0-93.116~14.04.1USN-3405-2
linux-raspi2Ubuntu
Fixed in:4.4.0-1071.79USN-3405-1
linux-snapdragonUbuntu
Fixed in:4.4.0-1073.78USN-3405-1

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 RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityNone
AvailabilityNone

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

Exploit Intelligence

0.40%probability of exploitation in 30 days
32ndpercentile

Low risk: more likely to be exploited than 32% of all known CVEs.

References

Related Vulnerabilities

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

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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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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 2026-05-13.