rhsa-2021_2566
Vulnerability from csaf_redhat
Published
2021-06-29 16:36
Modified
2024-11-22 16:32
Summary
Red Hat Security Advisory: fwupd security update

Notes

Topic
An update for fwupd is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
The fwupd packages provide a service that allows session software to update device firmware. Security Fix(es): * grub2: acpi command allows privileged user to load crafted ACPI tables when Secure Boot is enabled (CVE-2020-14372) * grub2: Use-after-free in rmmod command (CVE-2020-25632) * grub2: Out-of-bounds write in grub_usb_device_initialize() (CVE-2020-25647) * grub2: Stack buffer overflow in grub_parser_split_cmdline() (CVE-2020-27749) * grub2: cutmem command allows privileged user to remove memory regions when Secure Boot is enabled (CVE-2020-27779) * grub2: Heap out-of-bounds write in short form option parser (CVE-2021-20225) * grub2: Heap out-of-bounds write due to miscalculation of space required for quoting (CVE-2021-20233) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.


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            "BaseOS-8.4.0.Z.MAIN.EUS:fwupd-debugsource-0:1.5.9-1.el8_4.ppc64le",
            "BaseOS-8.4.0.Z.MAIN.EUS:fwupd-debugsource-0:1.5.9-1.el8_4.s390x",
            "BaseOS-8.4.0.Z.MAIN.EUS:fwupd-debugsource-0:1.5.9-1.el8_4.x86_64",
            "BaseOS-8.4.0.Z.MAIN.EUS:fwupd-tests-debuginfo-0:1.5.9-1.el8_4.aarch64",
            "BaseOS-8.4.0.Z.MAIN.EUS:fwupd-tests-debuginfo-0:1.5.9-1.el8_4.s390x",
            "BaseOS-8.4.0.Z.MAIN.EUS:fwupd-tests-debuginfo-0:1.5.9-1.el8_4.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "grub2: Heap out-of-bounds write due to miscalculation of space required for quoting"
    }
  ]
}


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