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, which allows local users to obtain sensitive information from other users' files in opportunistic circumstances by…
Does this matter?
Lower severity and a low EPSS score (0.40%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.0
- 5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.40% probability · 34th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-200
- Affected
- linux/linux kernel
- Source
- secalert@redhat.com
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=06bd3c36a733ac27962fea7d6f47168841376824Issue Tracking, Patch, Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.2Release Notes, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2017/05/15/2Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/98491
- https://bugzilla.redhat.com/show_bug.cgi?id=1450261Issue Tracking, Patch, Third Party Advisory
- https://github.com/torvalds/linux/commit/06bd3c36a733ac27962fea7d6f47168841376824Issue Tracking, Patch, Third Party Advisory
- https://source.android.com/security/bulletin/2017-09-01
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=06bd3c36a733ac27962fea7d6f47168841376824Issue Tracking, Patch, Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.2Release Notes, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2017/05/15/2Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/98491
- https://bugzilla.redhat.com/show_bug.cgi?id=1450261Issue Tracking, Patch, Third Party Advisory
- https://github.com/torvalds/linux/commit/06bd3c36a733ac27962fea7d6f47168841376824Issue Tracking, Patch, Third Party Advisory
- https://source.android.com/security/bulletin/2017-09-01
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.