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.
Advisories
Source ID Title
Debian DLA Debian DLA DLA-1099-1 linux security update
Debian DSA Debian DSA DSA-3945-1 linux security update
EUVD EUVD EUVD-2017-16861 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.
Ubuntu USN Ubuntu USN USN-3312-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-3312-2 Linux kernel (Xenial HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-3314-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-3361-1 Linux kernel (HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-3583-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-3583-2 Linux kernel (Trusty HWE) vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

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Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

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 : Deferred

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

Modified: 2025-04-20T01:37:25.860

Link: CVE-2017-7889

cve-icon Redhat

Severity : Moderate

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

Links: CVE-2017-7889 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses