CVE-2020-25220
High
Description
The Linux kernel 4.9.x before 4.9.233, 4.14.x before 4.14.194, and 4.19.x before 4.19.140 has a use-after-free because skcd->no_refcnt was not considered during a backport of a CVE-2020-14356 patch. This is related to the cgroups feature.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedSep 10, 2020
First seenSep 10, 2020
How to fix
Update
- linux linux_kernel4.9.233, 4.14.194, 4.19.140 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 4.9.0 ≤ v < 4.9.233, 4.14 ≤ v < 4.14.194, 4.19 ≤ v < 4.19.140 | 4.9.233, 4.14.194, 4.19.140 |
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