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CVE-2017-8924

Date: May 12, 2017

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.

Language: C

Severity Score

Related Resources (10)

https://security-tracker.debian.org/tracker/CVE-2017-8924
https://github.com/torvalds/linux/commit/654b404f2a222f918af9b0cd18ad469d0c941a8e
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=654b404f2a222f918af9b0cd18ad469d0c941a8e
http://www.debian.org/security/2017/dsa-3886
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-8924
http://www.securityfocus.com/bid/98451
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.4
https://access.redhat.com/security/cve/CVE-2017-8924
https://nvd.nist.gov/vuln/detail/CVE-2017-8924
https://www.mend.io/vulnerability-database/CVE-2017-8924

Severity Score

Weakness Type (CWE)

Integer Underflow (Wrap or Wraparound)

CWE-191

CVSS v3.1

Base Score:
Attack Vector (AV): PHYSICAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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