CVE-2014-8173
Linux NUMA PMD Transparent Huge-Table Entry NULL Pointer Dereference Vulnerability
Description
The pmd_none_or_trans_huge_or_clear_bad function in include/asm-generic/pgtable.h in the Linux kernel before 3.13 on NUMA systems does not properly determine whether a Page Middle Directory (PMD) entry is a transparent huge-table entry, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a crafted MADV_WILLNEED madvise system call that leverages the absence of a page-table lock.
INFO
Published Date :
March 16, 2015, 10:59 a.m.
Last Modified :
Dec. 22, 2023, 8:17 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
10.0
Exploitability Score :
3.9
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-2014-8173.
| URL | Resource |
|---|---|
| http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ee53664bda169f519ce3c6a22d378f0b946c8178 | Broken Link |
| http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.html | Third Party Advisory |
| http://rhn.redhat.com/errata/RHSA-2015-0290.html | Third Party Advisory VDB Entry |
| http://rhn.redhat.com/errata/RHSA-2015-0694.html | Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=1198457 | Issue Tracking |
| https://github.com/torvalds/linux/commit/ee53664bda169f519ce3c6a22d378f0b946c8178 | Third Party Advisory |
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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2014-8173 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2014-8173 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.
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CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Dec. 22, 2023
Action Type Old Value New Value Changed Evaluator Description <a href="http://cwe.mitre.org/data/definitions/476.html">CWE-476: NULL Pointer Dereference</a> CWE-476: NULL Pointer Dereference Changed Reference Type http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ee53664bda169f519ce3c6a22d378f0b946c8178 No Types Assigned http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ee53664bda169f519ce3c6a22d378f0b946c8178 Broken Link Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.html Third Party Advisory Changed Reference Type http://rhn.redhat.com/errata/RHSA-2015-0290.html No Types Assigned http://rhn.redhat.com/errata/RHSA-2015-0290.html Third Party Advisory, VDB Entry Changed Reference Type http://rhn.redhat.com/errata/RHSA-2015-0694.html No Types Assigned http://rhn.redhat.com/errata/RHSA-2015-0694.html Third Party Advisory Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1198457 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1198457 Issue Tracking Changed Reference Type https://github.com/torvalds/linux/commit/ee53664bda169f519ce3c6a22d378f0b946c8178 No Types Assigned https://github.com/torvalds/linux/commit/ee53664bda169f519ce3c6a22d378f0b946c8178 Third Party Advisory Removed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:numa_systems:* versions up to (including) 3.12.9 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.9 up to (excluding) 3.10.76 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.11 up to (excluding) 3.12.43 -
CVE Modified by [email protected]
Feb. 13, 2023
Action Type Old Value New Value Changed Description A NULL pointer dereference flaw was found in the way the Linux kernel's madvise MADV_WILLNEED functionality handled page table locking. A local, unprivileged user could use this flaw to crash the system. The pmd_none_or_trans_huge_or_clear_bad function in include/asm-generic/pgtable.h in the Linux kernel before 3.13 on NUMA systems does not properly determine whether a Page Middle Directory (PMD) entry is a transparent huge-table entry, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a crafted MADV_WILLNEED madvise system call that leverages the absence of a page-table lock. Removed CVSS V2 Red Hat, Inc. (AV:L/AC:L/Au:N/C:N/I:N/A:C) Removed CVSS V3 Red Hat, Inc. AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Removed Reference https://access.redhat.com/errata/RHSA-2015:0290 [No Types Assigned] Removed Reference https://access.redhat.com/errata/RHSA-2015:0694 [No Types Assigned] Removed Reference https://access.redhat.com/security/cve/CVE-2014-8173 [No Types Assigned] -
CVE Modified by [email protected]
Feb. 02, 2023
Action Type Old Value New Value Changed Description The pmd_none_or_trans_huge_or_clear_bad function in include/asm-generic/pgtable.h in the Linux kernel before 3.13 on NUMA systems does not properly determine whether a Page Middle Directory (PMD) entry is a transparent huge-table entry, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a crafted MADV_WILLNEED madvise system call that leverages the absence of a page-table lock. A NULL pointer dereference flaw was found in the way the Linux kernel's madvise MADV_WILLNEED functionality handled page table locking. A local, unprivileged user could use this flaw to crash the system. Added CVSS V2 Red Hat, Inc. (AV:L/AC:L/Au:N/C:N/I:N/A:C) Added CVSS V3 Red Hat, Inc. AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Removed Reference http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ee53664bda169f519ce3c6a22d378f0b946c8178 [No Types Assigned] Added Reference https://access.redhat.com/security/cve/CVE-2014-8173 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2015:0694 [No Types Assigned] Added Reference http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ee53664bda169f519ce3c6a22d378f0b946c8178 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2015:0290 [No Types Assigned] -
CVE Modified by [email protected]
Jan. 03, 2017
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.html [No Types Assigned] -
CVE Modified by [email protected]
Mar. 24, 2015
Action Type Old Value New Value Added Reference http://rhn.redhat.com/errata/RHSA-2015-0694.html -
CVE Modified by [email protected]
Mar. 19, 2015
Action Type Old Value New Value Added Reference http://rhn.redhat.com/errata/RHSA-2015-0290.html -
Modified Analysis by [email protected]
Mar. 16, 2015
Action Type Old Value New Value Added Evaluator Description <a href="http://cwe.mitre.org/data/definitions/476.html">CWE-476: NULL Pointer Dereference</a> Added CPE Configuration Configuration 1 OR *cpe:2.3:o:linux:linux_kernel:3.12.9:*:*:*:*:*:numa_systems:* (and previous) Added CVSS V2 (AV:L/AC:L/Au:N/C:C/I:C/A:C) Added CWE NVD-CWE-Other -
Initial Analysis by [email protected]
Mar. 16, 2015
Action Type Old Value New Value
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2014-8173 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-2014-8173
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