SUSE-SU-2022:2073-1: important: Security update for grub2
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sle-security-updates at lists.suse.com
Tue Jun 14 13:18:05 UTC 2022
SUSE Security Update: Security update for grub2
______________________________________________________________________________
Announcement ID: SUSE-SU-2022:2073-1
Rating: important
References: #1071559 #1159205 #1179981 #1189769 #1189874
#1191184 #1191185 #1191186 #1191504 #1191974
#1192522 #1192622 #1193282 #1193532 #1195204
#1197948 #1198460 #1198493 #1198495 #1198496
#1198581
Cross-References: CVE-2021-3695 CVE-2021-3696 CVE-2021-3697
CVE-2022-28733 CVE-2022-28734 CVE-2022-28735
CVE-2022-28736
CVSS scores:
CVE-2021-3695 (SUSE): 7.5 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
CVE-2021-3696 (SUSE): 5 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L
CVE-2021-3697 (SUSE): 7.5 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
CVE-2022-28733 (SUSE): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVE-2022-28735 (SUSE): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVE-2022-28736 (SUSE): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products:
SUSE Linux Enterprise Micro 5.1
______________________________________________________________________________
An update that solves 7 vulnerabilities and has 14 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
Other bugs fixed:
- Use boot disks in OpenFirmware, fixing regression caused when the root
LV is completely in the boot LUN (bsc#1197948)
- Fix grub-install error when efi system partition is created as mdadm
software raid1 device (bsc#1179981) (bsc#1195204)
- Fix error in grub-install when linux root device is on lvm thin volume
(bsc#1192622) (bsc#1191974)
- Fix wrong default entry when booting snapshot (bsc#1159205)
- Add support for simplefb (boo#1193532).
- Fix error lvmid disk cannot be found after second disk added to the root
volume group (bsc#1189874) (bsc#1071559)
- Fix error /boot/grub2/locale/POSIX.gmo not found (bsc#1189769)
- Fix unknown TPM error on buggy uefi firmware (bsc#1191504)
- Fix arm64 kernel image not aligned on 64k boundary (bsc#1192522)
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:
- SUSE Linux Enterprise Micro 5.1:
zypper in -t patch SUSE-SUSE-MicroOS-5.1-2022-2073=1
Package List:
- SUSE Linux Enterprise Micro 5.1 (aarch64 s390x x86_64):
grub2-2.04-150300.3.5.1
grub2-debuginfo-2.04-150300.3.5.1
grub2-debugsource-2.04-150300.3.5.1
- SUSE Linux Enterprise Micro 5.1 (noarch):
grub2-arm64-efi-2.04-150300.3.5.1
grub2-i386-pc-2.04-150300.3.5.1
grub2-snapper-plugin-2.04-150300.3.5.1
grub2-x86_64-efi-2.04-150300.3.5.1
grub2-x86_64-xen-2.04-150300.3.5.1
- SUSE Linux Enterprise Micro 5.1 (s390x):
grub2-s390x-emu-2.04-150300.3.5.1
References:
https://www.suse.com/security/cve/CVE-2021-3695.html
https://www.suse.com/security/cve/CVE-2021-3696.html
https://www.suse.com/security/cve/CVE-2021-3697.html
https://www.suse.com/security/cve/CVE-2022-28733.html
https://www.suse.com/security/cve/CVE-2022-28734.html
https://www.suse.com/security/cve/CVE-2022-28735.html
https://www.suse.com/security/cve/CVE-2022-28736.html
https://bugzilla.suse.com/1071559
https://bugzilla.suse.com/1159205
https://bugzilla.suse.com/1179981
https://bugzilla.suse.com/1189769
https://bugzilla.suse.com/1189874
https://bugzilla.suse.com/1191184
https://bugzilla.suse.com/1191185
https://bugzilla.suse.com/1191186
https://bugzilla.suse.com/1191504
https://bugzilla.suse.com/1191974
https://bugzilla.suse.com/1192522
https://bugzilla.suse.com/1192622
https://bugzilla.suse.com/1193282
https://bugzilla.suse.com/1193532
https://bugzilla.suse.com/1195204
https://bugzilla.suse.com/1197948
https://bugzilla.suse.com/1198460
https://bugzilla.suse.com/1198493
https://bugzilla.suse.com/1198495
https://bugzilla.suse.com/1198496
https://bugzilla.suse.com/1198581
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