CVE-2017-9985
HIGH severity · CVSS 7.8 · Out-of-bounds read
7.8CVSS HIGH
Summary
The snd_msndmidi_input_read function in sound/isa/msnd/msnd_midi.c in the Linux kernel through 4.11.7 allows local users to cause a denial of service (over-boundary access) or possibly have unspecified other impact by changing the value of a message queue head pointer between two kernel reads of that value, aka a "double fetch" vulnerability.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=20e2b791796bd68816fa115f12be5320de2b8021Advisory
- http://www.securityfocus.com/bid/99335Advisory
- https://bugzilla.kernel.org/show_bug.cgi?id=196133
- https://github.com/torvalds/linux/commit/20e2b791796bd68816fa115f12be5320de2b8021Advisory
- https://usn.ubuntu.com/3754-1/Advisory