SUSE-SU-2021:14659-1

Import Source

JSON Data

https://api.osv.dev/v1/vulns/SUSE-SU-2021:14659-1

Related

Published

2021-03-02T18:03:21Z

Modified

2021-03-02T18:03:21Z

Summary

Security update for grub2

Details

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 grubusbdevice_initialize() (bsc#1177883)
CVE-2020-27749: Fixed a stack buffer overflow in grubparsersplit_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)

References

Affected packages

Name: grub2
Purl: purl:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSS

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2.02-0.66.26.1

{
    "binaries": [
        {
            "grub2-x86_64-efi": "2.02-0.66.26.1",
            "grub2-x86_64-xen": "2.02-0.66.26.1"
        }
    ]
}