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LIN10-2929 : Security Advisory - linux - CVE-2017-17807

Created: Dec 29, 2017    Updated: Dec 3, 2018
Resolved Date: Apr 24, 2018
Found In Version: 10.17.41.1
Fix Version: 10.17.41.7
Severity: Standard
Applicable for: Wind River Linux LTS 17
Component/s: Kernel

Description

The KEYS subsystem in the Linux kernel before 4.14.6 omitted an access-control check when adding a key to the current task's default request-key keyring via the request_key() system call, allowing a local user to use a sequence of crafted system calls to add keys to a keyring with only Search permission (not Write permission) to that keyring, related to construct_get_dest_keyring() in security/keys/request_key.c.

https://nvd.nist.gov/vuln/detail/CVE-2017-17807

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