Information disclosure - CVE-2015-7885
Published: December 28, 2015 / Updated: August 4, 2020
Vulnerability identifier: #VU33640
CSH Severity: Low
CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2015-7885
CWE-ID: CWE-200
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local privileged user to gain access to sensitive information.
The dgnc_mgmt_ioctl function in drivers/staging/dgnc/dgnc_mgmt.c in the Linux kernel through 4.3.3 does not initialize a certain structure member, which allows local users to obtain sensitive information from kernel memory via a crafted application.
Affected software
linux-grsec (Alpine package)
How to mitigate CVE-2015-7885
Install update from vendor's website.
External References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4b6184336ebb5c8dc1eae7f7ab46ee608a748b05
- http://www.openwall.com/lists/oss-security/2015/10/21/8
- http://www.securityfocus.com/bid/77317
- http://www.securitytracker.com/id/1034896
- http://www.ubuntu.com/usn/USN-2841-1
- http://www.ubuntu.com/usn/USN-2841-2
- http://www.ubuntu.com/usn/USN-2842-1
- http://www.ubuntu.com/usn/USN-2842-2
- http://www.ubuntu.com/usn/USN-2843-1
- http://www.ubuntu.com/usn/USN-2843-2
- http://www.ubuntu.com/usn/USN-2843-3
- http://www.ubuntu.com/usn/USN-2844-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1274728
- https://github.com/torvalds/linux/commit/4b6184336ebb5c8dc1eae7f7ab46ee608a748b05