CVE-2020-29368
High
Description
An issue was discovered in __split_huge_pmd in mm/huge_memory.c in the Linux kernel before 5.7.5. The copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check, aka CID-c444eb564fb1.
SeverityHigh
CVSS7.0
Exploit probability—
Product
Linux Kernel
PublishedNov 28, 2020
First seenNov 28, 2020
How to fix
Update
- linux linux_kernel4.9.228, 4.14.185, 4.19.129, 5.4.48, 5.7.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 4.5.5 ≤ v < 4.9.228, 4.10 ≤ v < 4.14.185, 4.15 ≤ v < 4.19.129, 4.20 ≤ v < 5.4.48, 5.5 ≤ v < 5.7.5 | 4.9.228, 4.14.185, 4.19.129, 5.4.48, 5.7.5 |
| netapp cloud_backup | No range specified | — |
| netapp element_software | No range specified | — |
| netapp hci_management_node | No range specified | — |
| netapp solidfire | No range specified | — |
| netapp hci_bootstrap_os | 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.