CVE-2021-38166
High
Description
In kernel/bpf/hashtab.c in the Linux kernel through 5.13.8, there is an integer overflow and out-of-bounds write when many elements are placed in a single bucket. NOTE: exploitation might be impractical without the CAP_SYS_ADMIN capability.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedAug 7, 2021
First seenAug 7, 2021
How to fix
Update
- linux linux_kernel5.10.60, 5.13.12 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.6 ≤ v < 5.10.60, 5.11 ≤ v < 5.13.12 | 5.10.60, 5.13.12 |
| fedoraproject fedora | 33, 34 | — |
| debian debian_linux | 11.0 | — |
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