Affected Products: SUSE Linux Enterprise Module for Server Applications 15-SP2 SUSE Linux Enterprise Module for Basesystem 15-SP2 ______________________________________________________________________________
An update that solves 7 vulnerabilities and has one errata is now available.
Description:
This update for grub2 fixes the following issues:
grub2 implements the new "SBAT" method for SHIM based secure boot revocation. (bsc#1182057)
- CVE-2020-25632: Fixed a use-after-free in rmmod command (bsc#1176711) - CVE-2020-25647: Fixed an out-of-bound write in grub_usb_device_initialize() (bsc#1177883) - CVE-2020-27749: Fixed a stack buffer overflow in grub_parser_split_cmdline (bsc#1179264) - CVE-2020-27779, CVE-2020-14372: Disallow cutmem and acpi commands in secure boot mode (bsc#1179265 bsc#1175970) - CVE-2021-20225: Fixed a heap out-of-bounds write in short form option parser (bsc#1182262) - CVE-2021-20233: Fixed a heap out-of-bound write due to mis-calculation of space required for quoting (bsc#1182263)
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 Module for Server Applications 15-SP2:
zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP2-2021-683=1
- SUSE Linux Enterprise Module for Basesystem 15-SP2:
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2021-683=1
Package List:
- SUSE Linux Enterprise Module for Server Applications 15-SP2 (noarch):
grub2-x86_64-xen-2.04-9.34.1
- SUSE Linux Enterprise Module for Basesystem 15-SP2 (aarch64 ppc64le s390x x86_64):
grub2-2.04-9.34.1 grub2-debuginfo-2.04-9.34.1
- SUSE Linux Enterprise Module for Basesystem 15-SP2 (aarch64 s390x x86_64):
grub2-debugsource-2.04-9.34.1
- SUSE Linux Enterprise Module for Basesystem 15-SP2 (noarch):