6.8 Medium
CVSS3
Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.2 High
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
kernel is vulnerable to arbitrary code execution. Lack of size checks from the reading of extra descriptor in the function __usb_get_extra_descriptor()
in drivers/usb/core/usb.c
leads to an application crash, and potentially allows an attacker to exploit the vulnerability to execute arbitrary code in the system.
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=704620afc70cf47abb9d6a1a57f3825d2bca49cf
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=704620afc70cf47abb9d6a1a57f3825d2bca49cf
access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.1_release_notes/
access.redhat.com/errata/RHSA-2019:3517
access.redhat.com/security/updates/classification/#important
bugzilla.redhat.com/show_bug.cgi?id=1656432
bugzilla.redhat.com/show_bug.cgi?id=1694143
bugzilla.redhat.com/show_bug.cgi?id=1712197
bugzilla.redhat.com/show_bug.cgi?id=1719067
bugzilla.redhat.com/show_bug.cgi?id=1721034
cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.9
cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.9
github.com/torvalds/linux/commit/704620afc70cf47abb9d6a1a57f3825d2bca49cf
github.com/torvalds/linux/commit/704620afc70cf47abb9d6a1a57f3825d2bca49cf
lists.debian.org/debian-lts-announce/2019/03/msg00034.html
lists.debian.org/debian-lts-announce/2019/03/msg00034.html
lists.debian.org/debian-lts-announce/2019/04/msg00004.html
lists.debian.org/debian-lts-announce/2019/04/msg00004.html
lists.debian.org/debian-lts-announce/2019/05/msg00002.html
lists.debian.org/debian-lts-announce/2019/05/msg00002.html
usn.ubuntu.com/3879-1/
usn.ubuntu.com/3879-1/
usn.ubuntu.com/3879-2/
usn.ubuntu.com/3879-2/
usn.ubuntu.com/4094-1/
usn.ubuntu.com/4094-1/
6.8 Medium
CVSS3
Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.2 High
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C