Overview
About vulnerability
A null pointer dereference issue was found in the sctp network protocol in net/sctp/stream_sched.c in Linux Kernel. If stream_in allocation is failed, stream_out is freed which would further be accessed. A local user could use this flaw to crash the system or potentially cause a denial of service.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 , RHEL 7 ELS , TuxCare 9.6 ESU , Ubuntu 16.04 ELS , Ubuntu 18.04 ELS , Ubuntu 20.04 ELS
- Affected packages:
- linux @ 4.19.0 (+19 more)
Fixes
KernelCare state
Live-patch status from KernelCare for each operating system.
| Operating system | Status | Covered kernels |
|---|---|---|
| AlmaLinux 8 | Will Not Fix | — |
| Amazon Linux 2 5.10 | Will Not Fix | — |
| Amazon Linux 2 5.4 | Will Not Fix | — |
| Debian 11 | Will Not Fix | — |
| RHEL 8 | Will Not Fix | — |
| RHEL8 EUS 8.6 | Released |
9 kernels
|
| RHEL 9 | Will Not Fix | — |
| Rocky Linux 8 | Will Not Fix | — |
| Ubuntu 20.04 | Will Not Fix | — |
| Ubuntu 20.04 AWS | Will Not Fix | — |
| Ubuntu 22.04 | Will Not Fix | — |
| Ubuntu 22.04 AWS | Will Not Fix | — |
| Ubuntu 22.04 Azure | Will Not Fix | — |