The __get_user_asm_ex macro in arch/x86/include/asm/uaccess.h in the Linux kernel before...
Vulnerability Description
The __get_user_asm_ex macro in arch/x86/include/asm/uaccess.h in the Linux kernel before 4.7.5 does not initialize a certain integer variable, which allows local users to obtain sensitive information from kernel stack memory by triggering failure of a get_user_ex call.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://github.com/torvalds/linux/commit/1c109fabbd51863475cd12ac206bdd249aee35af
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1c109fabbd51863475cd12ac206bdd249aee35af
- http://www.openwall.com/lists/oss-security/2016/11/04/4
- https://bugzilla.redhat.com/show_bug.cgi?id=1391908
- http://www.securityfocus.com/bid/94144
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.7.5
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Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.