CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
9.0%
In the Linux kernel, the following vulnerability has been resolved: ixgbe:
Fix NULL pointer dereference in ethtool loopback test The ixgbe driver
currently generates a NULL pointer dereference when performing the ethtool
loopback test. This is due to the fact that there isn’t a q_vector
associated with the test ring when it is setup as interrupts are not
normally added to the test rings. To address this I have added code that
will check for a q_vector before returning a napi_id value. If a q_vector
is not present it will return a value of 0.
git.kernel.org/linus/31166efb1cee348eb6314e9c0095d84cbeb66b9d (5.12-rc8)
git.kernel.org/stable/c/31166efb1cee348eb6314e9c0095d84cbeb66b9d
git.kernel.org/stable/c/758d19098df4b0bbca9f40d6ae6c82c9c18b9bba
launchpad.net/bugs/cve/CVE-2021-46916
nvd.nist.gov/vuln/detail/CVE-2021-46916
security-tracker.debian.org/tracker/CVE-2021-46916
www.cve.org/CVERecord?id=CVE-2021-46916