CVE-2018-7757
SAS Expander Linux Kernel Denial of Service Vulnerability
Description
Memory leak in the sas_smp_get_phy_events function in drivers/scsi/libsas/sas_expander.c in the Linux kernel through 4.15.7 allows local users to cause a denial of service (memory consumption) via many read accesses to files in the /sys/class/sas_phy directory, as demonstrated by the /sys/class/sas_phy/phy-1:0:12/invalid_dword_count file.
INFO
Published Date :
March 8, 2018, 2:29 p.m.
Last Modified :
Nov. 21, 2024, 4:12 a.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | LOW | [email protected] | ||||
| CVSS 3.0 | MEDIUM | [email protected] |
Solution
- Update the affected Linux kernel packages.
- Apply all available security patches.
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-2018-7757.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-7757 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-2018-7757
weaknesses.
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-2018-7757 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-7757 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 af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4a491b1ab11ca0556d2fda1ff1301e862a2d44c4 Added Reference http://www.securityfocus.com/bid/103348 Added Reference https://access.redhat.com/errata/RHSA-2018:2948 Added Reference https://access.redhat.com/errata/RHSA-2018:3083 Added Reference https://access.redhat.com/errata/RHSA-2018:3096 Added Reference https://github.com/torvalds/linux/commit/4a491b1ab11ca0556d2fda1ff1301e862a2d44c4 Added Reference https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html Added Reference https://usn.ubuntu.com/3654-1/ Added Reference https://usn.ubuntu.com/3654-2/ Added Reference https://usn.ubuntu.com/3656-1/ Added Reference https://usn.ubuntu.com/3697-1/ Added Reference https://usn.ubuntu.com/3697-2/ Added Reference https://usn.ubuntu.com/3698-1/ Added Reference https://usn.ubuntu.com/3698-2/ Added Reference https://www.debian.org/security/2018/dsa-4187 Added Reference https://www.debian.org/security/2018/dsa-4188 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CWE Remap by [email protected]
Oct. 03, 2019
Action Type Old Value New Value Changed CWE CWE-399 CWE-772 -
CVE Modified by [email protected]
Oct. 31, 2018
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2018:3096 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2018:3083 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2018:2948 [No Types Assigned] -
CVE Modified by [email protected]
Jul. 13, 2018
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/3698-1/ [No Types Assigned] -
CVE Modified by [email protected]
Jul. 04, 2018
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/3698-2/ [No Types Assigned] Added Reference https://usn.ubuntu.com/3697-2/ [No Types Assigned] Added Reference https://usn.ubuntu.com/3697-1/ [No Types Assigned] -
CVE Modified by [email protected]
May. 24, 2018
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/3656-1/ [No Types Assigned] -
CVE Modified by [email protected]
May. 23, 2018
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/3654-2/ [No Types Assigned] Added Reference https://usn.ubuntu.com/3654-1/ [No Types Assigned] -
CVE Modified by [email protected]
May. 04, 2018
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html [No Types Assigned] -
CVE Modified by [email protected]
May. 03, 2018
Action Type Old Value New Value Added Reference https://www.debian.org/security/2018/dsa-4188 [No Types Assigned] Added Reference https://www.debian.org/security/2018/dsa-4187 [No Types Assigned] -
Initial Analysis by [email protected]
Mar. 28, 2018
Action Type Old Value New Value Added CVSS V2 (AV:L/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Changed Reference Type http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4a491b1ab11ca0556d2fda1ff1301e862a2d44c4 No Types Assigned http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4a491b1ab11ca0556d2fda1ff1301e862a2d44c4 Patch, Vendor Advisory Changed Reference Type http://www.securityfocus.com/bid/103348 No Types Assigned http://www.securityfocus.com/bid/103348 Third Party Advisory, VDB Entry Changed Reference Type https://github.com/torvalds/linux/commit/4a491b1ab11ca0556d2fda1ff1301e862a2d44c4 No Types Assigned https://github.com/torvalds/linux/commit/4a491b1ab11ca0556d2fda1ff1301e862a2d44c4 Patch, Third Party Advisory Added CWE CWE-399 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (including) 4.15.7 -
CVE Modified by [email protected]
Mar. 14, 2018
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/103348 [No Types Assigned]
Vulnerability Scoring Details
Base CVSS Score: 5.5
Base CVSS Score: 2.1
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.10 }} -0.04%
score
0.28736
percentile