CVE-2017-7495 Information disclosure in Linux kernel before 4.6.2

What is CVE-2017-7495?

CVE-2017-7495 is a medium-severity vulnerability in Linux kernel, published on 15 May 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-200

Which versions are affected by CVE-2017-7495?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2017-7495?

Upgrade to a fixed version.

Is CVE-2017-7495 being exploited?

There is no known exploitation of CVE-2017-7495 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2017-7495, GHSA-jg67-r7fp-4j3h, UBUNTU-CVE-2017-7495.