Information Exposure Affecting kernel-uek-firmware package, versions <0:4.1.12-124.32.3.el6uek
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-ORACLE6-KERNELUEKFIRMWARE-2545632
- published10 Apr 2022
- disclosed15 May 2017
Introduced: 15 May 2017
CVE-2017-7495 (opens in a new tab)How to fix?
Upgrade Oracle:6 kernel-uek-firmware to version 0:4.1.12-124.32.3.el6uek or higher.
This issue was patched in ELSA-2019-4823.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-uek-firmware package and not the kernel-uek-firmware package as distributed by Oracle.
See How to fix? for Oracle:6 relevant fixed versions and status.
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.
References
- https://linux.oracle.com/cve/CVE-2017-7495.html
- https://linux.oracle.com/errata/ELSA-2019-4823.html
- http://seclists.org/oss-sec/2017/q2/259
- https://access.redhat.com/errata/RHSA-2017:1842
- https://access.redhat.com/errata/RHSA-2017:2077
- https://access.redhat.com/errata/RHSA-2017:2669
- https://access.redhat.com/security/cve/CVE-2017-7495
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=06bd3c36a733ac27962fea7d6f47168841376824
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=06bd3c36a733ac27962fea7d6f47168841376824
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.2
- http://www.openwall.com/lists/oss-security/2017/05/15/2
- http://www.securityfocus.com/bid/98491
- https://bugzilla.redhat.com/show_bug.cgi?id=1450261
- https://github.com/torvalds/linux/commit/06bd3c36a733ac27962fea7d6f47168841376824
- https://source.android.com/security/bulletin/2017-09-01