Vulnerability Details : CVE-2017-8831
The saa7164_bus_get function in drivers/media/pci/saa7164/saa7164-bus.c in the Linux kernel through 4.11.5 allows local users to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact by changing a certain sequence-number value, aka a "double fetch" vulnerability.
Vulnerability category: Denial of service
Products affected by CVE-2017-8831
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-8831
0.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 35 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-8831
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.9
|
MEDIUM | AV:L/AC:M/Au:N/C:C/I:C/A:C |
3.4
|
10.0
|
NIST | |
|
6.4
|
MEDIUM | CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
0.5
|
5.9
|
NIST |
CWE ids for CVE-2017-8831
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-8831
-
https://usn.ubuntu.com/3754-1/
USN-3754-1: Linux kernel vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html
[SECURITY] [DLA 1200-1] linux security updateMailing List;Third Party Advisory
-
http://www.securityfocus.com/bid/99619
Linux kernel CVE-2017-8831 Local Denial of Service VulnerabilityThird Party Advisory;VDB Entry
-
http://www.securityfocus.com/archive/1/540770/30/0/threaded
SecurityFocusThird Party Advisory;VDB Entry
-
https://bugzilla.kernel.org/show_bug.cgi?id=195559
195559 – Double fetch problem in Linux-4.10.1/drivers/media/pci/saa7164/saa7164-bus.cIssue Tracking
-
https://github.com/stoth68000/media-tree/commit/354dd3924a2e43806774953de536257548b5002c
[PATCH] saa7164: Bug - Double fetch PCIe access condition · stoth68000/media-tree@354dd39 · GitHubPatch;Third Party Advisory
Jump to