CVE-2020-28974
- State
- Published
- Severity
- Not scored
- Published
- Nov 20, 2020
- Updated
- Aug 4, 2024
- Reserved
- Nov 20, 2020
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.
Scores
The record has no CVSS score.
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3c4e0dff2095c579b142d5a0693257f1c58b4804
- https://seclists.org/oss-sec/2020/q4/104
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.9.7
- [oss-security] 20201124 Re: Linux kernel slab-out-of-bounds Read in fbconmailing-list
- [debian-lts-announce] 20201210 [SECURITY] [DLA 2483-1] linux-4.19 security updatemailing-list
- [debian-lts-announce] 20201218 [SECURITY] [DLA 2494-1] linux security updatemailing-list
- https://security.netapp.com/advisory/ntap-20210108-0003/
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