Published: 17/04/2017 Updated: 14/02/2023

CVSS v2 Base Score: 7.2 | Impact Score: 10 | Exploitability Score: 3.9

CVSS v3 Base Score: 7.8 | Impact Score: 5.9 | Exploitability Score: 1.8

VMScore: 641

Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

The mm subsystem in the Linux kernel up to and including 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.

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linux linux kernel
debian debian linux 8.0
canonical ubuntu linux 14.04
canonical ubuntu linux 12.04

Synopsis Important: kernel security and bug fix update Type/Severity Security Advisory: Important Topic An update for kernel is now available for Red Hat Enterprise Linux 6Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Scoring System (CVSS) b ...

Synopsis Important: kernel security, bug fix, and enhancement update Type/Severity Security Advisory: Important Topic An update for kernel is now available for Red Hat Enterprise Linux 7Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Scoring S ...

Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks CVE-2014-9940 A use-after-free flaw in the voltage and current regulator driver could allow a local user to cause a denial of service or potentially escalate privileges CVE-2017-7346 Li ...

Several security issues were fixed in the Linux kernel ...

The mm subsystem in the Linux kernel through 41010 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/initc and d ...

CWE-732 https://github.com/torvalds/linux/commit/a4866aa812518ed1a37d8ea0c881dc946409de94 http://www.openwall.com/lists/oss-security/2017/04/16/4 http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a4866aa812518ed1a37d8ea0c881dc946409de94 http://www.securityfocus.com/bid/97690 http://www.debian.org/security/2017/dsa-3945 https://access.redhat.com/errata/RHSA-2017:2669 https://access.redhat.com/errata/RHSA-2017:2077 https://access.redhat.com/errata/RHSA-2017:1842 https://usn.ubuntu.com/3583-2/https://usn.ubuntu.com/3583-1/https://access.redhat.com/errata/RHSA-2018:1854 https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=b8f254aa17f720053054c4ecff3920973a83b9d6 https://access.redhat.com/errata/RHSA-2018:1854 https://nvd.nist.gov https://usn.ubuntu.com/3583-2/https://www.debian.org/security/./dsa-3945

CVE-2017-7889

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