Out-of-bounds Read in Linux Kernel
CVE-2018-20854
An issue was discovered in the Linux kernel before 4.20. drivers/phy/mscc/phy-ocelot-serdes.c has an off-by-one error with a resultant ctrl->phys out-of-bounds read.
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: 0.004 (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
Weakness classification (CWE)
References
- github.com/torvalds/linux/commit/6acb47d1a318e5b3b7115354ebc4ea060c59d3a1 (Patch, Third Party Advisory)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Mailing List, Vendor Advisory)
- security.netapp.com/advisory/ntap-20190905-0002/
- support.f5.com/csp/article/K32450233
- support.f5.com/csp/article/K32450233
Frequently asked questions
- What is CVE-2018-20854?
- CVE-2018-20854 is a high-severity vulnerability in Linux Kernel, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2019-07-26.
- How severe is CVE-2018-20854?
- High severity. CVSS v3 base score is 7.8 out of 10.