3.9
Low
CVE-2026-19411 Shim/dp.c library: null-pointer dereference in is_removable_media_path() when devicepathtostr() returns null
Description
A NULL pointer vulnerability has been found in the the shim application of dp.c library. A missing NULL pointer could allow attackers to perform a denial of service attack on a system that uses shim application for UEFI bootloader.
CVSS 3.1 detail
Vector CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:LExploitable with local access to the machine, with an administrator account and without any user action; the impact on data or service is limited.
- Attack vector
- Local
- Attack complexity
- High
- Privileges required
- High
- Interaction
- None
- Scope
- Changed
- Confidentiality
- None
- Integrity
- Low
- Availability
- Low
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Red Hat Enterprise Linux 7 | Versions not published | |
| Red Hat Enterprise Linux 8 | Versions not published | |
| Red Hat Enterprise Linux 9 | Versions not published |
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