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CVE-2018-20854

Date: July 25, 2019

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.

Language: C

Severity Score

7.8

Related Resources (8)

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2018-20854

Url: https://github.com/torvalds/linux/commit/6acb47d1a318e5b3b7115354ebc4ea060c59d3a1

Url: https://support.f5.com/csp/article/K32450233?utm_source=f5support&%3Butm_medium=RSS

Url: https://support.f5.com/csp/article/K32450233

Url: https://nvd.nist.gov/vuln/detail/CVE-2018-20854

Url: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6acb47d1a318e5b3b7115354ebc4ea060c59d3a1

Url: https://security.netapp.com/advisory/ntap-20190905-0002/

Url: https://www.mend.io/vulnerability-database/CVE-2018-20854

Severity Score

7.8

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

CVSS v3.1

Base Score:	7.8
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	4.6
Access Vector (AV):	LOCAL
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	PARTIAL
Availability (A):	PARTIAL
Additional information:

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