# u-boot-tools 2020.10+dfsg-1ubuntu0~18.04.3: u-boot-tools 2020.10+dfsg-1ubuntu0~18.04.3 for Ubuntu 18.04.6 LTS (bionic)

u-boot-tools 2020.10+dfsg-1ubuntu0~18.04.3, released September 23, 2022, fixes 7 CVEs in u-boot-tools. None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/linux/ubuntu-bionic-u-boot-tools-2020.10-dfsg-1ubuntu0-18.04.3
- Platform: Linux
- Released: Sep 23, 2022
- Priority: Urgent (Closes CVE-2022-34835, rated Critical)
- CVEs: 7, exploited: 0, on CISA KEV: 0

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [u-boot-tools](https://patchblox.com/security/data/product/linux/u-boot-tools.md) | Ubuntu 18.04.6 LTS (bionic) | 2020.10+dfsg-1ubuntu0~18.04.3 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2022-34835](https://patchblox.com/security/data/cve/CVE-2022-34835.md) | Urgent | u-boot: In Das U-Boot through 2022.07-rc5, an integer signedness error and resultant stack-based buffer overflow in the "i2c... | 9.8 | 0.0230 |  |
| [CVE-2022-30767](https://patchblox.com/security/data/cve/CVE-2022-30767.md) | High | u-boot: nfs_lookup_reply in net/nfs.c in Das U-Boot through 2022.04 (and through 2022.07-rc2) has an unbounded memcpy with a... | 9.8 | 0.0273 |  |
| [CVE-2022-2347](https://patchblox.com/security/data/cve/CVE-2022-2347.md) | High | u-boot-amlogic: There exists an unchecked length field in UBoot | 7.1 | 0.0058 |  |
| [CVE-2022-30790](https://patchblox.com/security/data/cve/CVE-2022-30790.md) | High | u-boot-amlogic: Das U-Boot 2022.01 has a Buffer Overflow, a different issue than CVE-2022-30552. | 7.8 | 0.0057 |  |
| [CVE-2022-33967](https://patchblox.com/security/data/cve/CVE-2022-33967.md) | High | u-boot: squashfs filesystem implementation of U-Boot versions from v2020.10-rc2 to v2022.07-rc5 contains a heap-based buffer... | 7.8 | 0.0056 |  |
| [CVE-2022-33103](https://patchblox.com/security/data/cve/CVE-2022-33103.md) | High | u-boot-mvebu: Das U-Boot from v2020.10 to v2022.07-rc3 was discovered to contain an out-of-bounds write via the function sqfs_readd... | 7.8 | 0.0046 |  |
| [CVE-2022-30552](https://patchblox.com/security/data/cve/CVE-2022-30552.md) | Routine | u-boot-tools: Das U-Boot 2022.01 has a Buffer Overflow. | 5.5 | 0.0045 |  |

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