Overview
About vulnerability
In the Linux kernel, the following vulnerability has been resolved:
i40e: Fix NULL pointer dereference in i40e_dbg_dump_desc
When trying to dump VFs VSI RX/TX descriptors using debugfs there was a crash due to NULL pointer dereference in i40e_dbg_dump_desc. Added a check to i40e_dbg_dump_desc that checks if VSI type is correct for dumping RX/TX descriptors.
Details
- Affected product:
- AlmaLinux 9.2 ESU , Amazon Linux 2 ELS , CentOS 6 ELS , CentOS 7 ELS , CentOS 8.4 ELS , CentOS 8.5 ELS , CentOS Stream 8 ELS , CloudLinux 6 ELS , CloudLinux 7 ELS , Debian 10 ELS , Oracle Linux 6 ELS , Oracle Linux 7 ELS , Ubuntu 16.04 ELS , Ubuntu 18.04 ELS
- Affected packages:
- linux @ 4.15.0 (+18 more)
Fixes
KernelCare state
Live-patch status from KernelCare for each operating system.
| Operating system | Status | Covered kernels |
|---|---|---|
| Ubuntu 16.04 AWS ESM | Will Not Fix | — |
| Ubuntu 16.04 AWS HWE ESM | Will Not Fix | — |
| Ubuntu 16.04 Azure ESM | Will Not Fix | — |
| Ubuntu 16.04 GCP ESM | Will Not Fix | — |
| Ubuntu 16.04 HWE ESM | Will Not Fix | — |
| Ubuntu 18.04 | Planned | — |
| Ubuntu 18.04 AWS | Planned | — |
| Ubuntu 18.04 AWS Focal | Released |
56 kernels
|
| Ubuntu 18.04 Azure Focal | Released |
58 kernels
|
| Ubuntu 18.04 HWE Focal | Released |
69 kernels
|
| Ubuntu 18.04 HWE GCP | Released |
15 kernels
|
| Ubuntu 20.04 | Released |
118 kernels
|
| Ubuntu 20.04 AWS | Released |
101 kernels
|
| Ubuntu 20.04 Azure | Released |
92 kernels
|
| Ubuntu 20.04 GCP | Released |
24 kernels
|