CVE-2023-40550
published 2024-01-29CVE-2023-40550: 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…
medium5.5CVSS 3.1
AVLACLPRLUINSUCHINAN
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
24 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | shim | < shim 15.8-1~deb12u1 (bookworm) | shim 15.8-1~deb12u1 (bookworm) |
| fedoraproject | fedora | — | — |
| msrc | azl3_shim-unsigned-aarch64_15.4-2_on_azure_linux_3.0 | — | — |
| msrc | azl3_shim-unsigned-aarch64_15.8-5_on_azure_linux_3.0 | — | — |
| msrc | azl3_shim-unsigned-x64_15.4-3_on_azure_linux_3.0 | — | — |
| msrc | azl3_shim-unsigned-x64_15.8-5_on_azure_linux_3.0 | — | — |
| msrc | azl3_shim_15.4-2_on_azure_linux_3.0 | — | — |
| msrc | azl3_shim_15.8-5_on_azure_linux_3.0 | — | — |
| msrc | azure_linux_3.0_arm | — | — |
| msrc | azure_linux_3.0_x64 | — | — |
| msrc | cbl2_shim-unsigned-aarch64_15-5_on_cbl_mariner_2.0 | — | — |
| msrc | cbl2_shim-unsigned-x64_15.4-2_on_cbl_mariner_2.0 | — | — |
| msrc | cbl2_shim-unsigned-x64_15.8-1_on_cbl_mariner_2.0 | — | — |
| msrc | cbl2_shim_15.4-2_on_cbl_mariner_2.0 | — | — |
| msrc | cbl2_shim_15.8-1_on_cbl_mariner_2.0 | — | — |
| msrc | cbl_mariner_2.0_arm | — | — |
| msrc | cbl_mariner_2.0_x64 | — | — |
| redhat | enterprise_linux | — | — |
| redhat | enterprise_linux | — | — |
| redhat | shim | < 15.8 | 15.8 |
| redhat | shim | >= 0 < 15.8-1~deb11u1 | 15.8-1~deb11u1 |
| redhat | shim | >= 0 < 15.8-1~deb12u1 | 15.8-1~deb12u1 |
| redhat | shim | >= 0 < 15.8-1 | 15.8-1 |
| redhat | shim | >= 0 < 15.8-1 | 15.8-1 |
CVSS provenance
nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
osv5.5MEDIUM