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Ubuntu 22.04 LTS USN-5764-1 Critical: U-Boot DoS Issues

ubuntu
Calendar Grey December 6, 2022
Dist Ubuntu Esm H88
Recent u-boot security vulnerabilities in Ubuntu have been resolved. For detailed update instructions, affected versions, and severity assessment, see the official documentation
Several security issues were fixed in u-boot.

Summary

Several security issues were fixed in u-boot.

Software Description:

- u-boot: A boot loader for embedded systems

Details:

It was discovered that U-Boot incorrectly handled certain USB DFU download

setup packets. A local attacker could use this issue to cause U-Boot to

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

code. (CVE-2022-2347)

Nicolas Bidron and Nicolas Guigo discovered that U-Boot incorrectly handled

certain fragmented IP packets. A local attacker could use this issue to

cause U-Boot to crash, resulting in a denial of service, or possibly

execute arbitrary code. This issue only affected Ubuntu 18.04 LTS, Ubuntu

20.04 LTS, and Ubuntu 22.04 LTS. (CVE-2022-30552, CVE-2022-30790)

It was discovered that U-Boot incorrectly handled certain NFS lookup

replies. A remote attacker could use this issue to cause U-Boot to crash,

resulting in a denial of service, or possibly execute arbitrary code. This

issue only affected Ubuntu 18.04...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service security issue critical software update ubuntu u-boot

Update Instructions

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

Ubuntu 22.10:
   u-boot                          2022.07+dfsg-1ubuntu4.2
   u-boot-amlogic                  2022.07+dfsg-1ubuntu4.2
   u-boot-exynos                   2022.07+dfsg-1ubuntu4.2
   u-boot-imx                      2022.07+dfsg-1ubuntu4.2
   u-boot-microchip                2022.07+dfsg-1ubuntu4.2
   u-boot-mvebu                    2022.07+dfsg-1ubuntu4.2
   u-boot-omap                     2022.07+dfsg-1ubuntu4.2
   u-boot-qcom                     2022.07+dfsg-1ubuntu4.2
   u-boot-qemu                     2022.07+dfsg-1ubuntu4.2
   u-boot-rockchip                 2022.07+dfsg-1ubuntu4.2
   u-boot-rpi                      2022.07+dfsg-1ubuntu4.2
   u-boot-sifive                   2022.07+dfsg-1ubuntu4.2
   u-boot-stm32                    2022.07+dfsg-1ubuntu4.2
   u-boot-sunxi                    2022.07+dfsg-1ubuntu4.2
   u-boot-tegra                    2022.07+dfsg-1ubuntu4.2
   u-boot-tools                    2022.07+dfsg-1ubuntu4.2

Ubuntu 22.04 LTS:
   u-boot                          2022.01+dfsg-2ubuntu2.3
   u-boot-amlogic                  2022.01+dfsg-2ubuntu2.3
   u-boot-exynos                   2022.01+dfsg-2ubuntu2.3
   u-boot-imx                      2022.01+dfsg-2ubuntu2.3
   u-boot-microchip                2022.01+dfsg-2ubuntu2.3
   u-boot-mvebu                    2022.01+dfsg-2ubuntu2.3
   u-boot-omap                     2022.01+dfsg-2ubuntu2.3
   u-boot-qcom                     2022.01+dfsg-2ubuntu2.3
   u-boot-qemu                     2022.01+dfsg-2ubuntu2.3
   u-boot-rockchip                 2022.01+dfsg-2ubuntu2.3
   u-boot-rpi                      2022.01+dfsg-2ubuntu2.3
   u-boot-sifive                   2022.01+dfsg-2ubuntu2.3
   u-boot-sunxi                    2022.01+dfsg-2ubuntu2.3
   u-boot-tegra                    2022.01+dfsg-2ubuntu2.3
   u-boot-tools                    2022.01+dfsg-2ubuntu2.3

Ubuntu 20.04 LTS:
   u-boot                          2021.01+dfsg-3ubuntu0~20.04.5
   u-boot-amlogic                  2021.01+dfsg-3ubuntu0~20.04.5
   u-boot-exynos                   2021.01+dfsg-3ubuntu0~20.04.5
   u-boot-imx                      2021.01+dfsg-3ubuntu0~20.04.5
   u-boot-mvebu                    2021.01+dfsg-3ubuntu0~20.04.5
   u-boot-omap                     2021.01+dfsg-3ubuntu0~20.04.5
   u-boot-qcom                     2021.01+dfsg-3ubuntu0~20.04.5
   u-boot-qemu                     2021.01+dfsg-3ubuntu0~20.04.5
   u-boot-rockchip                 2021.01+dfsg-3ubuntu0~20.04.5
   u-boot-rpi                      2021.01+dfsg-3ubuntu0~20.04.5
   u-boot-sifive                   2021.01+dfsg-3ubuntu0~20.04.5
   u-boot-sunxi                    2021.01+dfsg-3ubuntu0~20.04.5
   u-boot-tegra                    2021.01+dfsg-3ubuntu0~20.04.5
   u-boot-tools                    2021.01+dfsg-3ubuntu0~20.04.5

Ubuntu 18.04 LTS:
   u-boot                          2020.10+dfsg-1ubuntu0~18.04.3
   u-boot-amlogic                  2020.10+dfsg-1ubuntu0~18.04.3
   u-boot-exynos                   2020.10+dfsg-1ubuntu0~18.04.3
   u-boot-imx                      2020.10+dfsg-1ubuntu0~18.04.3
   u-boot-mvebu                    2020.10+dfsg-1ubuntu0~18.04.3
   u-boot-omap                     2020.10+dfsg-1ubuntu0~18.04.3
   u-boot-qcom                     2020.10+dfsg-1ubuntu0~18.04.3
   u-boot-qemu                     2020.10+dfsg-1ubuntu0~18.04.3
   u-boot-rockchip                 2020.10+dfsg-1ubuntu0~18.04.3
   u-boot-rpi                      2020.10+dfsg-1ubuntu0~18.04.3
   u-boot-sunxi                    2020.10+dfsg-1ubuntu0~18.04.3
   u-boot-tegra                    2020.10+dfsg-1ubuntu0~18.04.3
   u-boot-tools                    2020.10+dfsg-1ubuntu0~18.04.3

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5764-1

CVE-2022-2347, CVE-2022-30552, CVE-2022-30767, CVE-2022-30790,

CVE-2022-33103, CVE-2022-33967, CVE-2022-34835

Severity
critical
Lowest
Low
Medium
High
Critical

December 06, 2022

Topics%20covered

Topics Covered

security advisory denial of service security issue critical software update ubuntu u-boot

Package Information

https://launchpad.net/ubuntu/+source/u-boot/2020.10+dfsg-1ubuntu0~18.04.3

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