What’s Vulnerable › Vulnerabilities

CVE-2022-33103

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-07-01 · updated 2026-06-17
• Weakness: CWE-787

Description

Das U-Boot from v2020.10 to v2022.07-rc3 was discovered to contain an out-of-bounds write via the function sqfs_readdir().

Affected products

• u-boot: from 2020.10 before 2022.07; 2022.07-rc1, 2022.07-rc2, 2022.07-rc3 — fixed in 2022.07

How to fix

Upgrade to a fixed version: u-boot 2022.07. Check the vendor advisory for mitigations.

References

• https://lore.kernel.org/all/20220609140206.297405-1-miquel.raynal%40bootlin.com/
• https://lore.kernel.org/all/CALO=DHFB+yBoXxVr5KcsK0iFdg+e7ywko4-e+72kjbcS8JBfPw%40mail.gmail.com/
• https://lists.debian.org/debian-lts-announce/2025/05/msg00001.html
• https://lore.kernel.org/all/20220609140206.297405-1-miquel.raynal%40bootlin.com/
• https://lore.kernel.org/all/CALO=DHFB+yBoXxVr5KcsK0iFdg+e7ywko4-e+72kjbcS8JBfPw%40mail.gmail.com/

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