The mm subsystem in the Linux kernel through 3.2 does not properly enforce the CONFIG_STRICT_DEVMEM protection mechanism, which allows local users to read or write to kernel memory locations in the first megabyte (and bypass slab-allocation access restrictions) via an application that opens the /dev/mem file, related to arch/x86/mm/init.c and drivers/char/mem.c.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2017-04-17T00:00:00

Updated: 2024-08-05T16:19:28.575Z

Reserved: 2017-04-16T00:00:00

Link: CVE-2017-7889

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2017-04-17T00:59:00.203

Modified: 2023-02-14T21:12:55.230

Link: CVE-2017-7889

cve-icon Redhat

Severity : Moderate

Publid Date: 2017-04-05T00:00:00Z

Links: CVE-2017-7889 - Bugzilla