CVE-2017-7495
Mediumfs/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.
CVSS 3.0 score
5.5
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness type
CWE-200CVE-2017-7495 is a Information Exposure vulnerability
What is Information Exposure?
The product exposes sensitive information to an actor not authorised to see it. Learn more on MITRE CWE
References
The following references provide additional information about CVE-2017-7495 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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Release Notes Vendor Advisory
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Securityfocushttp://www.securityfocus.com/bid/98491
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PatchKernel patch commithttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=06bd3c36a733ac27962fea7d6f47168841376824
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PatchKernel patch commithttp://www.openwall.com/lists/oss-security/2017/05/15/2
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PatchKernel patch commithttps://bugzilla.redhat.com/show_bug.cgi?id=1450261
Frequently asked questions
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What is CVE-2017-7495?
CVE-2017-7495 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as an Information Exposure flaw (CWE-200) . CVE-2017-7495 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2017-7495?
CVE-2017-7495 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.0). The vector string is
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. -
Is there a patch available for CVE-2017-7495?
No patch is currently available for CVE-2017-7495. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2017-7495 actively exploited?
No — CVE-2017-7495 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
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What is Information Exposure (CWE-200)?
The product exposes sensitive information to an actor not authorised to see it. View CWE-200 on MITRE CWE →