SUSE-SU-2021:0685-1: grub2&distro=SUSE Linux Enterprise High Performance Computing 15-ESPOS SUSE Linux Enterprise
Vulnerability summary
SUSE-SU-2021:0685-1 is a vulnerability in grub2&distro=SUSE Linux Enterprise High Performance Computing 15-ESPOS SUSE Linux Enterprise with no CVSS score yet.
Advisory lineage
Upstream 7 · Downstream 0 · Related 7Timeline
- 02-03-2021PublishedVulnerability first disclosed.
- 04-02-2026Last 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) 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)
CVSS metrics
Risk metrics not yet published.
EPSS trend
No EPSS score has been published for this record yet.
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Suse4 products
- grub2&distro=SUSE Linux Enterprise High Performance Computing 15-ESPOS< 2.02-19.66.1
- grub2&distro=SUSE Linux Enterprise High Performance Computing 15-LTSS< 2.02-19.66.1
- grub2&distro=SUSE Linux Enterprise Server 15-LTSS< 2.02-19.66.1
- grub2&distro=SUSE Linux Enterprise Server for SAP Applications 15< 2.02-19.66.1
1 vendor · 4 products