7 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
6.9 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:C/I:C/A:C
An update that solves 7 vulnerabilities and has three fixes
is now available.
Description:
This update for grub2 fixes the following issues:
Security fixes and hardenings for boothole 3 / boothole 2022 (bsc#1198581)
CVE-2021-3695: Fixed that a crafted PNG grayscale image could lead to
out-of-bounds write in heap (bsc#1191184)
CVE-2021-3696: Fixed that a crafted PNG image could lead to out-of-bound
write during huffman table handling (bsc#1191185)
CVE-2021-3697: Fixed that a crafted JPEG image could lead to buffer
underflow write in the heap (bsc#1191186)
CVE-2022-28733: Fixed fragmentation math in net/ip (bsc#1198460)
CVE-2022-28734: Fixed an out-of-bound write for split http headers
(bsc#1198493)
CVE-2022-28735: Fixed some verifier framework changes (bsc#1198495)
CVE-2022-28736: Fixed a use-after-free in chainloader command
(bsc#1198496)
Update SBAT security contact (bsc#1193282)
Bump grub’s SBAT generation to 2
Use boot disks in OpenFirmware, fixing regression caused when the root
LV is completely in the boot LUN (bsc#1197948)
Patch Instructions:
To install this SUSE Security Update use the SUSE recommended installation methods
like YaST online_update or “zypper patch”.
Alternatively you can run the command listed for your product:
openSUSE Leap 15.3:
zypper in -t patch openSUSE-SLE-15.3-2022-2064=1
SUSE Linux Enterprise Module for Server Applications 15-SP3:
zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP3-2022-2064=1
SUSE Linux Enterprise Module for SUSE Manager Proxy 4.2:
zypper in -t patch SUSE-SLE-Module-SUSE-Manager-Proxy-4.2-2022-2064=1
SUSE Linux Enterprise Module for Basesystem 15-SP3:
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP3-2022-2064=1
SUSE Linux Enterprise Micro 5.2:
zypper in -t patch SUSE-SUSE-MicroOS-5.2-2022-2064=1
7 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
6.9 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:C/I:C/A:C