CVE-2021-3506
High
Description
An out-of-bounds (OOB) memory access flaw was found in fs/f2fs/node.c in the f2fs module in the Linux kernel in versions before 5.12.0-rc4. A bounds check failure allows a local attacker to gain access to out-of-bounds memory leading to a system crash or a leak of internal kernel information. The highest threat from this vulnerability is to system availability.
SeverityHigh
CVSS7.1
Exploit probability—
Product
Linux Kernel
PublishedApr 19, 2021
First seenApr 19, 2021
Weakness typeCWE-125Out-of-bounds read
How to fix
Update
- linux linux_kernel4.19.191, 5.4.118, 5.10.36, 5.11.20, 5.12.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 4.19.191, 4.20 ≤ v < 5.4.118, 5.5 ≤ v < 5.10.36, 5.11 ≤ v < 5.11.20, 5.12 ≤ v < 5.12.3, 5.12 | 4.19.191, 5.4.118, 5.10.36, 5.11.20, 5.12.3 |
| debian debian_linux | 9.0 | — |
| netapp cloud_backup | No range specified | — |
| netapp solidfire_baseboard_management_controller_firmware | No range specified | — |
| netapp h300s_firmware | No range specified | — |
| netapp h500s_firmware | No range specified | — |
| netapp h700s_firmware | No range specified | — |
| netapp h300e_firmware | No range specified | — |
| netapp h500e_firmware | No range specified | — |
| netapp h700e_firmware | No range specified | — |
| netapp h410s_firmware | No range specified | — |
| netapp h410c_firmware | No range specified | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.