Buffer overflow in Linux Kernel
CVE-2017-8068
drivers/net/usb/pegasus.c in the Linux kernel 4.9.x before 4.9.11 interacts incorrectly with the CONFIG_VMAP_STACK option, which allows local users to cause a denial of service (system crash or memory corruption) or possibly have unspecified other impact by leveraging use of more than one virtual page for a DMA scatterlist.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (38.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Linux Kernel — versions 4.9, 4.9.1, 4.9.2
Weakness classification (CWE)
References
- git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/ (Patch)
- github.com/torvalds/linux/commit/5593523f968bc86d42a035c6df47d5e0979b5ace (Patch)
- www.securityfocus.com/bid/98000 (VDB Entry, Third Party Advisory, vdb-entry)
- www.openwall.com/lists/oss-security/2017/04/16/4 (mailing-list, Patch, Mailing List, Third Party Advisory)
- www.securityfocus.com/bid/98008 (VDB Entry, Third Party Advisory, vdb-entry)
- www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.11 (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-8068?
- CVE-2017-8068 is a high-severity vulnerability in Linux Kernel, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2017-04-23.
- How severe is CVE-2017-8068?
- High severity. CVSS v3 base score is 7.8 out of 10.