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Ubuntu 22.04 LTS USN-7060-1 Critical: edk2 denial of service threats

ubuntu
Calendar Grey October 10, 2024
Dist Ubuntu Esm H88
EDK II security alerts released for Ubuntu, resolving severe vulnerabilities. Ensure your operating system remains protected with the essential updates.
Several security issues were fixed in EDK II.

Summary

Several security issues were fixed in EDK II.

Software Description:

- edk2: UEFI firmware for virtual machines

Details:

It was discovered that EDK II did not check the buffer length in XHCI,

which could lead to a stack overflow. A local attacker could potentially

use this issue to cause a denial of service. This issue only affected

Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2019-0161)

Laszlo Ersek discovered that EDK II incorrectly handled recursion. A

remote attacker could possibly use this issue to cause EDK II to consume

resources, leading to a denial of service. This issue only affected

Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2021-28210)

Satoshi Tanda discovered that EDK II incorrectly handled decompressing

certain images. A remote attacker could use this issue to cause EDK II to

crash, resulting in a denial of service, or possibly execute arbitrary

code. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.

(CVE-2021-28211)

It was d...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service critical Ubuntu edk2

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 22.04 LTS
   ovmf                            2022.02-3ubuntu0.22.04.3
   ovmf-ia32                       2022.02-3ubuntu0.22.04.3
   qemu-efi-aarch64                2022.02-3ubuntu0.22.04.3
   qemu-efi-arm                    2022.02-3ubuntu0.22.04.3

Ubuntu 20.04 LTS
   ovmf                            0~20191122.bd85bf54-2ubuntu3.6
   qemu-efi-aarch64                0~20191122.bd85bf54-2ubuntu3.6
   qemu-efi-arm                    0~20191122.bd85bf54-2ubuntu3.6

Ubuntu 18.04 LTS
   ovmf 0~20180205.c0d9813c-2ubuntu0.3+esm2
                                   Available with Ubuntu Pro
   qemu-efi-aarch64 0~20180205.c0d9813c-2ubuntu0.3+esm2
                                   Available with Ubuntu Pro
   qemu-efi-arm 0~20180205.c0d9813c-2ubuntu0.3+esm2
                                   Available with Ubuntu Pro

Ubuntu 16.04 LTS
   ovmf 0~20160408.ffea0a2c-2ubuntu0.2+esm3
                                   Available with Ubuntu Pro
   qemu-efi 0~20160408.ffea0a2c-2ubuntu0.2+esm3
                                   Available with Ubuntu Pro

After a standard system update you need to restart the virtual machines
that use the affected firmware to make all the necessary changes.

References

  https://ubuntu.com/security/notices/USN-7060-1

  CVE-2019-0161, CVE-2021-28210, CVE-2021-28211, CVE-2021-38575,

  CVE-2021-38578, CVE-2022-1292

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7060-1

Topics%20covered

Topics Covered

security advisory denial of service critical Ubuntu edk2

Package Information

https://launchpad.net/ubuntu/+source/edk2/2022.02-3ubuntu0.22.04.3
https://launchpad.net/ubuntu/+source/edk2/0~20191122.bd85bf54-2ubuntu3.6

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