1. Ubuntu Security Notices
  2. USN-5764-1

USN-5764-1: U-Boot vulnerabilities

Publication date

6 December 2022

Overview

Several security issues were fixed in u-boot.

Releases

Packages

  • 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...

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 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04
LTS. (CVE-2022-30767)

Jincheng Wang discovered that U-Boot incorrectly handled certain SquashFS
structures. 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-2022-33103)

Tatsuhiko Yasumatsu discovered that U-Boot incorrectly handled certain
SquashFS structures. 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-2022-33967)

It was discovered that U-Boot incorrectly handled the i2c command. 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-2022-34835)

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
22.10 kinetic u-boot –  2022.07+dfsg-1ubuntu4.2
u-boot-rpi –  2022.07+dfsg-1ubuntu4.2
u-boot-sifive –  2022.07+dfsg-1ubuntu4.2
u-boot-amlogic –  2022.07+dfsg-1ubuntu4.2
u-boot-stm32 –  2022.07+dfsg-1ubuntu4.2
u-boot-tools –  2022.07+dfsg-1ubuntu4.2
u-boot-imx –  2022.07+dfsg-1ubuntu4.2
u-boot-tegra –  2022.07+dfsg-1ubuntu4.2
u-boot-microchip –  2022.07+dfsg-1ubuntu4.2
u-boot-sunxi –  2022.07+dfsg-1ubuntu4.2
u-boot-qcom –  2022.07+dfsg-1ubuntu4.2
u-boot-qemu –  2022.07+dfsg-1ubuntu4.2
u-boot-omap –  2022.07+dfsg-1ubuntu4.2
u-boot-mvebu –  2022.07+dfsg-1ubuntu4.2
u-boot-rockchip –  2022.07+dfsg-1ubuntu4.2
u-boot-exynos –  2022.07+dfsg-1ubuntu4.2
22.04 jammy u-boot –  2022.01+dfsg-2ubuntu2.3
u-boot-qemu –  2022.01+dfsg-2ubuntu2.3
u-boot-sifive –  2022.01+dfsg-2ubuntu2.3
u-boot-amlogic –  2022.01+dfsg-2ubuntu2.3
u-boot-tools –  2022.01+dfsg-2ubuntu2.3
u-boot-imx –  2022.01+dfsg-2ubuntu2.3
u-boot-tegra –  2022.01+dfsg-2ubuntu2.3
u-boot-microchip –  2022.01+dfsg-2ubuntu2.3
u-boot-sunxi –  2022.01+dfsg-2ubuntu2.3
u-boot-qcom –  2022.01+dfsg-2ubuntu2.3
u-boot-rpi –  2022.01+dfsg-2ubuntu2.3
u-boot-omap –  2022.01+dfsg-2ubuntu2.3
u-boot-mvebu –  2022.01+dfsg-2ubuntu2.3
u-boot-rockchip –  2022.01+dfsg-2ubuntu2.3
u-boot-exynos –  2022.01+dfsg-2ubuntu2.3
20.04 focal u-boot –  2021.01+dfsg-3ubuntu0~20.04.5
u-boot-qemu –  2021.01+dfsg-3ubuntu0~20.04.5
u-boot-sifive –  2021.01+dfsg-3ubuntu0~20.04.5
u-boot-amlogic –  2021.01+dfsg-3ubuntu0~20.04.5
u-boot-tools –  2021.01+dfsg-3ubuntu0~20.04.5
u-boot-imx –  2021.01+dfsg-3ubuntu0~20.04.5
u-boot-tegra –  2021.01+dfsg-3ubuntu0~20.04.5
u-boot-sunxi –  2021.01+dfsg-3ubuntu0~20.04.5
u-boot-qcom –  2021.01+dfsg-3ubuntu0~20.04.5
u-boot-rpi –  2021.01+dfsg-3ubuntu0~20.04.5
u-boot-omap –  2021.01+dfsg-3ubuntu0~20.04.5
u-boot-mvebu –  2021.01+dfsg-3ubuntu0~20.04.5
u-boot-rockchip –  2021.01+dfsg-3ubuntu0~20.04.5
u-boot-exynos –  2021.01+dfsg-3ubuntu0~20.04.5
18.04 bionic u-boot –  2020.10+dfsg-1ubuntu0~18.04.3
u-boot-qemu –  2020.10+dfsg-1ubuntu0~18.04.3
u-boot-amlogic –  2020.10+dfsg-1ubuntu0~18.04.3
u-boot-tools –  2020.10+dfsg-1ubuntu0~18.04.3
u-boot-imx –  2020.10+dfsg-1ubuntu0~18.04.3
u-boot-tegra –  2020.10+dfsg-1ubuntu0~18.04.3
u-boot-sunxi –  2020.10+dfsg-1ubuntu0~18.04.3
u-boot-qcom –  2020.10+dfsg-1ubuntu0~18.04.3
u-boot-rpi –  2020.10+dfsg-1ubuntu0~18.04.3
u-boot-omap –  2020.10+dfsg-1ubuntu0~18.04.3
u-boot-mvebu –  2020.10+dfsg-1ubuntu0~18.04.3
u-boot-rockchip –  2020.10+dfsg-1ubuntu0~18.04.3
u-boot-exynos –  2020.10+dfsg-1ubuntu0~18.04.3

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Get Ubuntu Pro

References

Have additional questions?

Talk to a member of the team ›