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CVE-2017-7495

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.

Risk Information

Base Score
5.5
MODERATE
Vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS Score
Exploitation Probability
0.051

Associated Vulnerability

VulnerabilityOS Platform
Linux kernel (USN-3385-1) linux-image-aws_4.4.0.1032.34_amd64.debLinux
Linux kernel (USN-3385-1) linux-image-gke_4.4.0.1028.29_amd64.debLinux
Linux kernel (USN-3385-1) linux-image-generic_4.4.0.93.98_i386.debLinux
Linux kernel (USN-3385-1) linux-image-generic_4.4.0.93.98_amd64.debLinux
Linux kernel (USN-3385-1) linux-image-lowlatency_4.4.0.93.98_i386.debLinux
Linux kernel (USN-3385-1) linux-image-lowlatency_4.4.0.93.98_amd64.debLinux
Linux hardware enablement kernel from Xenial for Trusty (USN-3385-2) linux-image-generic-lts-xenial_4.4.0.93.77_i386.debLinux
Linux hardware enablement kernel from Xenial for Trusty (USN-3385-2) linux-image-generic-lts-xenial_4.4.0.93.77_amd64.debLinux
Linux hardware enablement kernel from Xenial for Trusty (USN-3385-2) linux-image-lowlatency-lts-xenial_4.4.0.93.77_i386.debLinux
Linux hardware enablement kernel from Xenial for Trusty (USN-3385-2) linux-image-lowlatency-lts-xenial_4.4.0.93.77_amd64.debLinux
Linux kernel (USN-3405-1) linux-image-4.4.0-1028-gke_4.4.0-1028.28_amd64.debLinux
Linux kernel (USN-3405-1) linux-image-4.4.0-1032-aws_4.4.0-1032.41_amd64.debLinux
Linux kernel (USN-3405-1) linux-image-4.4.0-93-generic_4.4.0-93.116_i386.debLinux
Linux kernel (USN-3405-1) linux-image-4.4.0-93-generic_4.4.0-93.116_amd64.debLinux
Linux kernel (USN-3405-1) linux-image-4.4.0-93-lowlatency_4.4.0-93.116_i386.debLinux
Linux kernel (USN-3405-1) linux-image-4.4.0-93-lowlatency_4.4.0-93.116_amd64.debLinux
Linux hardware enablement kernel from Xenial for Trusty (USN-3405-2) linux-image-4.4.0-93-generic_4.4.0-93.116~14.04.1_i386.debLinux
Linux hardware enablement kernel from Xenial for Trusty (USN-3405-2) linux-image-4.4.0-93-generic_4.4.0-93.116~14.04.1_amd64.debLinux
Linux hardware enablement kernel from Xenial for Trusty (USN-3405-2) linux-image-4.4.0-93-lowlatency_4.4.0-93.116~14.04.1_i386.debLinux
Linux hardware enablement kernel from Xenial for Trusty (USN-3405-2) linux-image-4.4.0-93-lowlatency_4.4.0-93.116~14.04.1_amd64.debLinux
Linux kernel (USN-3406-1) linux-image-3.13.0-129-generic_3.13.0-129.178_i386.debLinux
Linux kernel (USN-3406-1) linux-image-3.13.0-129-generic_3.13.0-129.178_amd64.debLinux
Linux kernel (USN-3406-1) linux-image-3.13.0-129-lowlatency_3.13.0-129.178_i386.debLinux
Linux kernel (USN-3406-1) linux-image-3.13.0-129-lowlatency_3.13.0-129.178_amd64.debLinux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234