CVE-2019-14865
Published: 29 November 2019
A flaw was found in the grub2-set-bootflag utility of grub2. A local attacker could run this utility under resource pressure (for example by setting RLIMIT), causing grub2 configuration files to be truncated and leaving the system unbootable on subsequent reboots.
Notes
| Author | Note |
|---|---|
| mdeslaur | this issue is in a Red Hat-specific patch |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
grub2 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(code not present)
|
| disco |
Not vulnerable
(code not present)
|
|
| eoan |
Not vulnerable
(code not present)
|
|
| trusty |
Not vulnerable
(code not present)
|
|
| upstream |
Not vulnerable
(debian: Red Hat-specific patch)
|
|
| xenial |
Not vulnerable
(code not present)
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |