## USN-8930-2: U-Boot vulnerabilities

- 種別: advisory
- 関連技術: ubuntu, linux
- CVE: CVE-2026-74220, CVE-2026-74221
- 公開日時: 2026-10-21T15:57:11.000Z
- 情報源: Ubuntu Security Notices (https://ubuntu.com/security/notices/USN-8930-2)
- パーマリンク: https://vulnpulse.app/items/ubuntu-usn-4f14e37966c6

USN-8930-1 fixed some vulnerabilities in U-Boot. This update provides the corresponding fix for U-Boot on Ubuntu 26.10. Original advisory details: Shahriyar Jalayeri and Mehrun P. Hunter discovered that U-Boot incorrectly handled certain NFS READ and NFS READLINK responses. An attacker could possibly use this issue to trigger a buffer overflow, resulting in a denial of service or arbitrary code execution. (CVE-2026-74220, CVE-2026-74221) Shahriyar Jalayeri and Mehrun P. Hunter discovered that U-Boot incorrectly handled certain HTTP data storage failures in its lwIP implementation. An attacker…