SUSE-SU-2021:14659-1: grub2&distro=SUSE Linux Enterprise Server 11 SP4-LTSS SUSE Linux Enterprise

Vulnerability summary

SUSE-SU-2021:14659-1 is a vulnerability in grub2&distro=SUSE Linux Enterprise Server 11 SP4-LTSS SUSE Linux Enterprise with no CVSS score yet.

Timeline

1. 02-03-2021
   PublishedVulnerability first disclosed.
2. 04-02-2026
   Last modifiedVulnerability information updated.

Description

Security update for grub2 This update for grub2 fixes the following issues: grub2 now implements the new 'SBAT' method for SHIM based secure boot revocation. (bsc#1182057) grub2 was updated to the 2.02 version (same as SUSE Linux Enterprise 12 SP3). Following security issues are fixed that can violate secure boot constraints: - 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)

No weakness data has been published for this record.