CVE-2021-46991
High
Description
In the Linux kernel, the following vulnerability has been resolved: i40e: Fix use-after-free in i40e_client_subtask() Currently the call to i40e_client_del_instance frees the object pf->cinst, however pf->cinst->lan_info is being accessed after the free. Fix this by adding the missing return. Addresses-Coverity: ("Read from pointer after free")
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedFeb 28, 2024
First seenFeb 28, 2024
How to fix
Update
- linux linux_kernel4.19.191, 5.4.120, 5.10.38, 5.11.22, 5.12.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 4.16 ≤ v < 4.19.191, 4.20 ≤ v < 5.4.120, 5.5 ≤ v < 5.10.38, 5.11 ≤ v < 5.11.22, 5.12 ≤ v < 5.12.5 | 4.19.191, 5.4.120, 5.10.38, 5.11.22, 5.12.5 |
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