Overview
About vulnerability
An issue was discovered in the Linux kernel before 5.13.3. lib/seq_buf.c has a seq_buf_putmem_hex buffer overflow.Details
- Affected product:
- 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 , RHEL 7 ELS , Ubuntu 16.04 ELS , Ubuntu 18.04 ELS , Ubuntu 20.04 ELS
- Affected packages:
- kernel @ 2.6.32 (+16 more)
Fixes
KernelCare state
Live-patch status from KernelCare for each operating system.
| Operating system | Status | Covered kernels |
|---|---|---|
| AlmaLinux 8 | Released |
34 kernels
|
| Amazon Linux 1 | Will Not Fix | — |
| Amazon Linux 2 | Will Not Fix | — |
| Amazon Linux 2 5.10 | Will Not Fix | — |
| Amazon Linux 2 5.4 | Will Not Fix | — |
| CentOS 8 | Released |
33 kernels
|
| CloudLinux OS 7h | Released |
44 kernels
|
| CloudLinux OS 8 | Released |
40 kernels
|
| Debian 10 | Will Not Fix | — |
| Debian 11 | Will Not Fix | — |
| Oracle Linux 6 UEK 4 | Released |
85 kernels
|
| Oracle Linux 7 UEK 4 | Released |
116 kernels
|
| Oracle Linux 8 | Released |
56 kernels
|
| Proofpoint | Ready For Release | — |
| RHEL 8 | Released |
56 kernels
|
| RHEL8 EUS 8.6 | Released |
11 kernels
|
| Rocky Linux 8 | Released |
28 kernels
|
| Ubuntu 16.04 | Released |
2 kernels
|
| 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 | Will Not Fix | — |
| Ubuntu 18.04 AWS | Will Not Fix | — |
| Ubuntu 18.04 AWS Focal | Will Not Fix | — |
| Ubuntu 18.04 Azure Focal | Will Not Fix | — |
| Ubuntu 18.04 HWE Focal | Will Not Fix | — |
| Ubuntu 20.04 | Will Not Fix | — |
| Ubuntu 20.04 AWS | Will Not Fix | — |