Redhat.comRH:CVE-2020-12654CVE-2020-12654
7.1 High
CVSS3
Attack Vector
ADJACENT_NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
4.3 Medium
CVSS2
Access Vector
ADJACENT_NETWORK
Access Complexity
HIGH
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:A/AC:H/Au:N/C:P/I:P/A:P
0.002 Low
EPSS
Percentile
54.7%
A flaw was found in the Linux kernel. The Marvell mwifiex driver allows a remote WiFi access point to trigger a heap-based memory buffer overflow due to an incorrect memcpy operation. The highest threat from this vulnerability is to data integrity and system availability.
Mitigation
In order to mitigate this issue, it is possible to prevent the affected code from being loaded by blacklisting the kernel module mwifiex. For instructions relating to how to blacklist a kernel module, refer to: <https://access.redhat.com/solutions/41278>
Related
7.1 High
CVSS3
Attack Vector
ADJACENT_NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
4.3 Medium
CVSS2
Access Vector
ADJACENT_NETWORK
Access Complexity
HIGH
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:A/AC:H/Au:N/C:P/I:P/A:P
0.002 Low
EPSS
Percentile
54.7%