Vulnerability Description
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.
CVSS Score
7.8
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 4.20 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6acb4Mailing ListPatchVendor Advisory
- https://github.com/torvalds/linux/commit/6acb47d1a318e5b3b7115354ebc4ea060c59d3aPatchThird Party Advisory
- https://security.netapp.com/advisory/ntap-20190905-0002/
- https://support.f5.com/csp/article/K32450233
- https://support.f5.com/csp/article/K32450233?utm_source=f5support&%3Butm_medi
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6acb4Mailing ListPatchVendor Advisory
- https://github.com/torvalds/linux/commit/6acb47d1a318e5b3b7115354ebc4ea060c59d3aPatchThird Party Advisory
- https://security.netapp.com/advisory/ntap-20190905-0002/
- https://support.f5.com/csp/article/K32450233
- https://support.f5.com/csp/article/K32450233?utm_source=f5support&%3Butm_medi
FAQ
What is CVE-2018-20854?
CVE-2018-20854 is a vulnerability with a CVSS score of 7.8 (HIGH). 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.
How severe is CVE-2018-20854?
CVE-2018-20854 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-20854?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.