CVE-2020-15706
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2020
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
GRUB2 contains a race condition leading to a use-after-free vulnerability which can be triggered by redefining a function whilst the same function is already executing.
GRUB2 contains a race condition in grub_script_function_create() leading to a use-after-free vulnerability which can be triggered by redefining a function whilst the same function is already executing, leading to arbitrary code execution and secure boot restriction bypass. This issue affects GRUB2 version 2.04 and prior versions.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
grub2 in Ubuntu
- Vendor
- Ubuntu
- Product
- grub2 in Ubuntu
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 20.04 LTS | affected | custom | 2.04-1ubuntu26.1 | Unavailable | None listed |
| 18.04 LTS | affected | custom | 2.02-2ubuntu8.16 | Unavailable | None listed |
| 16.04 LTS | affected | custom | 2.02~beta2-36ubuntu3.26 | Unavailable | None listed |
| 14.04 ESM | affected | custom | 2.02~beta2-9ubuntu1.20 | Unavailable | None listed |