Vulnerability Details : CVE-2017-8067
drivers/char/virtio_console.c in the Linux kernel 4.9.x and 4.10.x before 4.10.12 interacts incorrectly with the CONFIG_VMAP_STACK option, which allows local users to cause a denial of service (system crash or memory corruption) or possibly have unspecified other impact by leveraging use of more than one virtual page for a DMA scatterlist.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2017-8067
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Threat overview for CVE-2017-8067
Top countries where our scanners detected CVE-2017-8067
Top open port discovered on systems with this issue
80
IPs affected by CVE-2017-8067 10
Threat actors abusing to this issue?
Yes
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Exploit prediction scoring system (EPSS) score for CVE-2017-8067
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-8067
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST | |
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2017-8067
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-8067
-
http://www.openwall.com/lists/oss-security/2017/04/16/4
oss-security - Silently (or obliviously) partially-fixed CONFIG_STRICT_DEVMEM bypassMailing List;Patch;Third Party Advisory
-
https://github.com/torvalds/linux/commit/c4baad50297d84bde1a7ad45e50c73adae4a2192
virtio-console: avoid DMA from stack · torvalds/linux@c4baad5 · GitHubPatch;Third Party Advisory
-
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c4baad50297d84bde1a7ad45e50c73adae4a2192
kernel/git/torvalds/linux.git - Linux kernel source treePatch;Vendor Advisory
-
http://www.securityfocus.com/bid/97997
Linux Kernel 'drivers/char/virtio_console.c' Local Denial of Service VulnerabilityThird Party Advisory;VDB Entry
-
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.12
Release Notes;Vendor Advisory
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