CVE-2015-8816
Published: April 27, 2016Last modified: September 13, 2023
Description
The hub_activate function in drivers/usb/core/hub.c in the Linux kernel before 4.3.5 does not properly maintain a hub-interface data structure, which allows physically proximate attackers to cause a denial of service (invalid memory access and system crash) or possibly have unspecified other impact by unplugging a USB hub device.
Severity score breakdown
| Parameter | Value | 
|---|---|
| Base score | 6.8 | 
| Attack Vector | PHYSICAL | 
| Attack complexity | LOW | 
| Privileges required | NONE | 
| User interaction | NONE | 
| Scope | UNCHANGED | 
| Confidentiality | HIGH | 
| Integrity impact | HIGH | 
| Availability impact | HIGH | 
| Vector | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | 
Status
| Product | Release | Package | Status | 
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Not affected (6.1.50-r0) | 
| Stream | linux-lts | Not affected (6.1.50-r0) | 
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e50293ef9775c5f1cf3fcc093037dd6a8c5684ea
 - http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00019.html
 - http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html
 - http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html
 - http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00059.html
 - http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html
 - http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00003.html
 - http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00008.html
 - http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00009.html
 - http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00015.html
 - http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00016.html
 - http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00018.html
 - http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00019.html
 - http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00020.html
 - http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00021.html
 - http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00022.html
 - http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00026.html
 - http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
 - http://source.android.com/security/bulletin/2016-07-01.html
 - http://www.debian.org/security/2016/dsa-3503
 - http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.5
 - http://www.openwall.com/lists/oss-security/2016/02/23/5
 - http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
 - http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
 - http://www.securityfocus.com/bid/83363
 - https://bugzilla.redhat.com/show_bug.cgi?id=1311589
 - https://github.com/torvalds/linux/commit/e50293ef9775c5f1cf3fcc093037dd6a8c5684ea