5.5med
CVE-2017-7495
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, whic…
Published 9 y ago · modified 4 mo ago · JSON
CVSS
5.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.4%
percentile 35%
Public exploits
0
none known
Summary
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.
Exploit prediction (EPSS)
0.40% probability of exploitation in the next 30 days, higher than 35% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 5.5 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- n/a Linux kernel before 4.6.2
Classification
- Weakness
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
- Technology feeds
- Linux kernel (RSS, critical only)
References
- github.com /torvalds/linux/commit/06bd3c36a733ac27962fea7d6f47168841376824 · x_refsource_CONFIRM, x_transferred
- kernel.org /pub/linux/kernel/v4.x/ChangeLog-4.6.2 · x_refsource_CONFIRM, x_transferred
- source.android.com /security/bulletin/2017-09-01 · x_refsource_CONFIRM, x_transferred
- securityfocus.com /bid/98491 · vdb-entry, x_refsource_BID, x_transferred
- bugzilla.redhat.com /show_bug.cgi?id=1450261 · x_refsource_CONFIRM, x_transferred
- openwall.com /lists/oss-security/2017/05/15/2 · x_refsource_CONFIRM, x_transferred
- git.kernel.org /cgit/linux/kernel/git/torvalds/linux.git/commit/?id=06bd3c36a733ac27962fea7d6f47168841376 · x_refsource_CONFIRM, x_transferred
Sources
- CVE List: CVE-2017-7495
- NVD: CVE-2017-7495
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