CVEvulnerability
CVE-2023-40550
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2024-01-29
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-125
Description
An out-of-bounds read flaw was found in Shim when it tried to validate the SBAT information. This issue may expose sensitive data during the system's boot phase.
Affected configurations
• redhat shim (< 15.8)
• fedoraproject fedora 39
• redhat enterprise linux 8.0
• redhat enterprise linux 9.0
Related
Weakness · CWE (1)
- CWE-125 Out-of-bounds Read weakness
References
- https://access.redhat.com/errata/RHSA-2024:1834 access.redhat.com
- https://access.redhat.com/errata/RHSA-2024:1835 access.redhat.com
- https://access.redhat.com/errata/RHSA-2024:1873 access.redhat.com
- https://access.redhat.com/errata/RHSA-2024:1876 access.redhat.com
- https://access.redhat.com/errata/RHSA-2024:1883 access.redhat.com
- https://access.redhat.com/errata/RHSA-2024:1902 access.redhat.com
- https://access.redhat.com/errata/RHSA-2024:1903 access.redhat.com
- https://access.redhat.com/errata/RHSA-2024:1959 access.redhat.com
- https://access.redhat.com/errata/RHSA-2024:2086 access.redhat.com
- https://access.redhat.com/security/cve/CVE-2023-40550 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2259915 Issue Tracking, Vendor Advisory
- https://access.redhat.com/errata/RHSA-2024:1834 access.redhat.com
- https://access.redhat.com/errata/RHSA-2024:1835 access.redhat.com
- https://access.redhat.com/errata/RHSA-2024:1873 access.redhat.com
- https://access.redhat.com/errata/RHSA-2024:1876 access.redhat.com
- https://access.redhat.com/errata/RHSA-2024:1883 access.redhat.com
- https://access.redhat.com/errata/RHSA-2024:1902 access.redhat.com
- https://access.redhat.com/errata/RHSA-2024:1903 access.redhat.com
- https://access.redhat.com/errata/RHSA-2024:1959 access.redhat.com
- https://access.redhat.com/errata/RHSA-2024:2086 access.redhat.com
- https://access.redhat.com/security/cve/CVE-2023-40550 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2259915 Issue Tracking, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2024/05/msg00009.html lists.debian.org