CVE-2016-4482
Published: May 23, 2016Last modified: September 13, 2023
Description
The proc_connectinfo function in drivers/usb/core/devio.c in the Linux kernel through 4.6 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel stack memory via a crafted USBDEVFS_CONNECTINFO ioctl call.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 6.2 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | NONE |
| Availability impact | NONE |
| Vector | CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
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=681fef8380eb818c0b845fca5d2ab1dcbab114ee
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184414.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.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/msg00056.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html
- http://www.debian.org/security/2016/dsa-3607
- http://www.openwall.com/lists/oss-security/2016/05/04/2
- http://www.securityfocus.com/bid/90029
- http://www.ubuntu.com/usn/USN-3016-1
- http://www.ubuntu.com/usn/USN-3016-2
- http://www.ubuntu.com/usn/USN-3016-3
- http://www.ubuntu.com/usn/USN-3016-4
- http://www.ubuntu.com/usn/USN-3017-1
- http://www.ubuntu.com/usn/USN-3017-2
- http://www.ubuntu.com/usn/USN-3017-3
- http://www.ubuntu.com/usn/USN-3018-1
- http://www.ubuntu.com/usn/USN-3018-2
- http://www.ubuntu.com/usn/USN-3019-1
- http://www.ubuntu.com/usn/USN-3020-1
- http://www.ubuntu.com/usn/USN-3021-1
- http://www.ubuntu.com/usn/USN-3021-2
- https://bugzilla.redhat.com/show_bug.cgi?id=1332931
- https://github.com/torvalds/linux/commit/681fef8380eb818c0b845fca5d2ab1dcbab114ee