The Linux kernel, as used in Ubuntu 18.10 and when booted with UEFI Secure Boot enabled, allows privileged local users to bypass intended Secure Boot restrictions and execute untrusted code by loading arbitrary kernel modules. This occurs because a modified kernel/module.c, in conjunction with certain configuration options, leads to mishandling of the result of signature verification.
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.0 Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 30, 2024 | Oct 26, 2018 |
| Ubuntu | — | Upgrade linux-image-4.18.0-1005-kvmUpgrade linux-image-4.18.0-1004-gcpUpgrade linux-image-4.18.0-12-generic-lpaeUpgrade linux-image-snapdragonUpgrade linux-image-gcpUpgrade linux-image-genericUpgrade linux-image-4.18.0-12-snapdragonUpgrade linux-image-4.18.0-1007-raspi2Upgrade linux-image-raspi2Upgrade linux-image-gkeUpgrade linux-image-generic-lpaeUpgrade linux-image-kvmUpgrade linux-image-lowlatencyUpgrade linux-image-awsUpgrade linux-image-4.18.0-12-lowlatencyUpgrade linux-image-4.18.0-1006-awsUpgrade linux-image-4.18.0-12-generic | Dec 7, 2018 | Oct 25, 2018 |
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