CVE-2017-7889
Linux Kernel Mem Corruption
Description
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.
INFO
Published Date :
April 17, 2017, 12:59 a.m.
Last Modified :
Feb. 14, 2023, 9:12 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2017-7889 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2017-7889
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2017-7889.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2017-7889 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2017-7889 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Feb. 14, 2023
Action Type Old Value New Value Removed CVSS V3 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type http://www.debian.org/security/2017/dsa-3945 No Types Assigned http://www.debian.org/security/2017/dsa-3945 Third Party Advisory Changed Reference Type https://access.redhat.com/errata/RHSA-2017:1842 No Types Assigned https://access.redhat.com/errata/RHSA-2017:1842 Third Party Advisory Changed Reference Type https://access.redhat.com/errata/RHSA-2017:2077 No Types Assigned https://access.redhat.com/errata/RHSA-2017:2077 Third Party Advisory Changed Reference Type https://access.redhat.com/errata/RHSA-2017:2669 No Types Assigned https://access.redhat.com/errata/RHSA-2017:2669 Third Party Advisory Changed Reference Type https://access.redhat.com/errata/RHSA-2018:1854 No Types Assigned https://access.redhat.com/errata/RHSA-2018:1854 Third Party Advisory Changed Reference Type https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=b8f254aa17f720053054c4ecff3920973a83b9d6 No Types Assigned https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=b8f254aa17f720053054c4ecff3920973a83b9d6 Third Party Advisory Changed Reference Type https://usn.ubuntu.com/3583-1/ No Types Assigned https://usn.ubuntu.com/3583-1/ Third Party Advisory Changed Reference Type https://usn.ubuntu.com/3583-2/ No Types Assigned https://usn.ubuntu.com/3583-2/ Third Party Advisory Changed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (including) 4.10.10 OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 3.2.91 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.3 up to (excluding) 3.10.107 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.11 up to (excluding) 3.12.74 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.13 up to (excluding) 3.16.46 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.17 up to (excluding) 3.18.50 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.19 up to (excluding) 4.1.41 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.2 up to (excluding) 4.4.63 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.5 up to (excluding) 4.9.24 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.10 up to (excluding) 4.10.12 Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* -
CVE Modified by [email protected]
Jan. 05, 2021
Action Type Old Value New Value Changed Description The mm subsystem in the Linux kernel through 4.10.10 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. 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. Added Reference https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=b8f254aa17f720053054c4ecff3920973a83b9d6 [No Types Assigned] -
CWE Remap by [email protected]
Oct. 03, 2019
Action Type Old Value New Value Changed CWE CWE-284 CWE-732 -
CVE Modified by [email protected]
Jun. 20, 2018
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2018:1854 [No Types Assigned] -
CVE Modified by [email protected]
Mar. 16, 2018
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/3583-2/ [No Types Assigned] Added Reference https://usn.ubuntu.com/3583-1/ [No Types Assigned] -
CVE Modified by [email protected]
Jan. 05, 2018
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2017:2077 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2017:1842 [No Types Assigned] -
CVE Modified by [email protected]
Dec. 31, 2017
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2017:2669 [No Types Assigned] -
CVE Modified by [email protected]
Nov. 04, 2017
Action Type Old Value New Value Added Reference http://www.debian.org/security/2017/dsa-3945 [No Types Assigned] -
Initial Analysis by [email protected]
Apr. 21, 2017
Action Type Old Value New Value Added CVSS V2 (AV:L/AC:L/Au:N/C:C/I:C/A:C) Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a4866aa812518ed1a37d8ea0c881dc946409de94 No Types Assigned http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a4866aa812518ed1a37d8ea0c881dc946409de94 Issue Tracking, Patch, Third Party Advisory Changed Reference Type http://www.openwall.com/lists/oss-security/2017/04/16/4 No Types Assigned http://www.openwall.com/lists/oss-security/2017/04/16/4 Mailing List, Patch, Third Party Advisory Changed Reference Type http://www.securityfocus.com/bid/97690 No Types Assigned http://www.securityfocus.com/bid/97690 Third Party Advisory, VDB Entry Changed Reference Type https://github.com/torvalds/linux/commit/a4866aa812518ed1a37d8ea0c881dc946409de94 No Types Assigned https://github.com/torvalds/linux/commit/a4866aa812518ed1a37d8ea0c881dc946409de94 Issue Tracking, Patch, Third Party Advisory Added CWE CWE-284 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:4.10.10:*:*:*:*:*:*:* (and previous) -
CVE Modified by [email protected]
Apr. 19, 2017
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/97690 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2017-7889 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2017-7889
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.05635
percentile