| Severity |
|
| Remote |
|
| Type |
| - |
Unknown |
| + |
Information disclosure |
|
| Description |
| + |
A slab-out-of-bounds read in fbcon in the Linux kernel before 5.9.7 could be used by local attackers to read privileged information or potentially crash the kernel, aka CID-3c4e0dff2095. This occurs because KD_FONT_OP_COPY in drivers/tty/vt/vt.c can be used for manipulations such as font height. |
|
| References |
| + |
https://www.openwall.com/lists/oss-security/2020/11/09/2 |
| + |
https://www.openwall.com/lists/oss-security/2020/11/25/1 |
| + |
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3c4e0dff2095c579b142d5a0693257f1c58b4804 |
|
| Notes |
|