CVE-2021-46283
Medium
Description
nf_tables_newset in net/netfilter/nf_tables_api.c in the Linux kernel before 5.12.13 allows local users to cause a denial of service (NULL pointer dereference and general protection fault) because of the missing initialization for nft_set_elem_expr_alloc. A local user can set a netfilter table expression in their own namespace.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedJan 11, 2022
First seenJan 11, 2022
How to fix
Update
- linux linux_kernel5.12.13 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 5.12.13 | 5.12.13 |
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