Vulnerability Details : CVE-2017-8924
The edge_bulk_in_callback function in drivers/usb/serial/io_ti.c in the Linux kernel before 4.10.4 allows local users to obtain sensitive information (in the dmesg ringbuffer and syslog) from uninitialized kernel memory by using a crafted USB device (posing as an io_ti USB serial device) to trigger an integer underflow.
Products affected by CVE-2017-8924
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-8924
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 24 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-8924
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
2.1
|
LOW | AV:L/AC:L/Au:N/C:P/I:N/A:N |
3.9
|
2.9
|
NIST | |
4.6
|
MEDIUM | CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
0.9
|
3.6
|
NIST |
CWE ids for CVE-2017-8924
-
The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-8924
-
http://www.debian.org/security/2017/dsa-3886
Debian -- Security Information -- DSA-3886-1 linuxThird Party Advisory
-
http://www.securityfocus.com/bid/98451
Linux Kernel CVE-2017-8924 Local Information Disclosure VulnerabilityThird Party Advisory;VDB Entry
-
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.4
Release Notes;Vendor Advisory
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https://github.com/torvalds/linux/commit/654b404f2a222f918af9b0cd18ad469d0c941a8e
USB: serial: io_ti: fix information leak in completion handler · torvalds/linux@654b404 · GitHubIssue Tracking;Patch;Third Party Advisory
-
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=654b404f2a222f918af9b0cd18ad469d0c941a8e
kernel/git/torvalds/linux.git - Linux kernel source treeIssue Tracking;Patch;Third Party Advisory
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