CVE-2021-35039
High
Description
kernel/module.c in the Linux kernel before 5.12.14 mishandles Signature Verification, aka CID-0c18f29aae7c. Without CONFIG_MODULE_SIG, verification that a kernel module is signed, for loading via init_module, does not occur for a module.sig_enforce=1 command-line argument.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedJul 7, 2021
First seenJul 7, 2021
How to fix
Update
- linux linux_kernel4.19.196, 5.4.129, 5.10.47, 5.12.14 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 4.15 ≤ v < 4.19.196, 4.20 ≤ v < 5.4.129, 5.5 ≤ v < 5.10.47, 5.11 ≤ v < 5.12.14 | 4.19.196, 5.4.129, 5.10.47, 5.12.14 |
| debian debian_linux | 9.0 | — |
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