Out-of-bounds Read in Linux Kernel
CVE-2017-8831
The saa7164_bus_get function in drivers/media/pci/saa7164/saa7164-bus.c in the Linux kernel through 4.11.5 allows local users to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact by changing a certain sequence-number value, aka a "double fetch" vulnerability.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (30.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- Linux Kernel
- Canonical Ubuntu Linux — versions 14.04
- Debian Linux — versions 7.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/stoth68000/media-tree/commit/354dd3924a2e43806774953de536257548b5002c (Patch, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2017/12/msg00004.html (mailing-list, Mailing List, Third Party Advisory)
- www.securityfocus.com/bid/99619 (VDB Entry, Third Party Advisory, vdb-entry)
- bugzilla.kernel.org/show_bug.cgi (Issue Tracking)
- usn.ubuntu.com/3754-1/ (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/archive/1/540770/30/0/threaded (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-8831?
- CVE-2017-8831 is a medium-severity vulnerability in Linux Kernel, classified under Out-of-bounds Read. CVSS score: 6.4/10. Published 2017-05-08.
- How severe is CVE-2017-8831?
- Medium severity. CVSS v3 base score is 6.4 out of 10.
- Is CVE-2017-8831 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.