Vulnerability Details : CVE-2017-18360
In change_port_settings in drivers/usb/serial/io_ti.c in the Linux kernel before 4.11.3, local users could cause a denial of service by division-by-zero in the serial device layer by trying to set very high baud rates.
Vulnerability category: Denial of service
Products affected by CVE-2017-18360
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-18360
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-2017-18360
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.9
|
MEDIUM | AV:L/AC:L/Au:N/C:N/I:N/A:C |
3.9
|
6.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2017-18360
-
The product divides a value by zero.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-18360
-
https://bugzilla.suse.com/show_bug.cgi?id=1123706
Bug 1123706 – VUL-0: CVE-2017-18360: kernel: user space can oops the kernel by going to extreme baud ratesIssue Tracking;Third Party Advisory
-
https://usn.ubuntu.com/3933-1/
USN-3933-1: Linux kernel vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.11.3
Vendor Advisory;Release Notes
-
http://www.securityfocus.com/bid/106802
Linux kernel CVE-2017-18360 Local Denial of Service VulnerabilityThird Party Advisory;VDB Entry
-
https://github.com/torvalds/linux/commit/6aeb75e6adfaed16e58780309613a578fe1ee90b
USB: serial: io_ti: fix div-by-zero in set_termios · torvalds/linux@6aeb75e · GitHubPatch;Third Party Advisory
-
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6aeb75e6adfaed16e58780309613a578fe1ee90b
kernel/git/torvalds/linux.git - Linux kernel source treePatch;Vendor Advisory
-
https://usn.ubuntu.com/3933-2/
USN-3933-2: Linux kernel (Trusty HWE) vulnerabilities | Ubuntu security noticesThird Party Advisory
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