8.2 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
10 High
AI Score
Confidence
High
7.2 High
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
0.002 Low
EPSS
Percentile
58.0%
The fwupd packages provide a service that allows session software to update device firmware.
Security Fix(es):
grub2: acpi command allows privileged user to load crafted ACPI tables when Secure Boot is enabled (CVE-2020-14372)
grub2: Use-after-free in rmmod command (CVE-2020-25632)
grub2: Out-of-bounds write in grub_usb_device_initialize() (CVE-2020-25647)
grub2: Stack buffer overflow in grub_parser_split_cmdline() (CVE-2020-27749)
grub2: cutmem command allows privileged user to remove memory regions when Secure Boot is enabled (CVE-2020-27779)
grub2: Heap out-of-bounds write in short form option parser (CVE-2021-20225)
grub2: Heap out-of-bounds write due to miscalculation of space required for quoting (CVE-2021-20233)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
bugzilla.redhat.com/show_bug.cgi?id=1873150
bugzilla.redhat.com/show_bug.cgi?id=1879577
bugzilla.redhat.com/show_bug.cgi?id=1886936
bugzilla.redhat.com/show_bug.cgi?id=1899966
bugzilla.redhat.com/show_bug.cgi?id=1900698
bugzilla.redhat.com/show_bug.cgi?id=1924696
bugzilla.redhat.com/show_bug.cgi?id=1926263
errata.rockylinux.org/RLSA-2021:2566
8.2 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
10 High
AI Score
Confidence
High
7.2 High
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
0.002 Low
EPSS
Percentile
58.0%