Overview
About vulnerability
In the Linux kernel, the following vulnerability has been resolved:
sctp: Prevent TOCTOU out-of-bounds write
For the following path not holding the sock lock,
sctp_diag_dump() -> sctp_for_each_endpoint() -> sctp_ep_dump()
make sure not to exceed bounds in case the address list has grown between buffer allocation (time-of-check) and write (time-of-use).
Details
- Affected product:
- AlmaLinux 9.2 ESU , CentOS 8.4 ELS , CentOS 8.5 ELS , CentOS Stream 8 ELS , Oracle Linux 7 ELS , TuxCare 9.6 ESU , Ubuntu 20.04 ELS
- Affected packages:
- kernel @ 4.18.0 (+7 more)
Fixes
KernelCare state
Live-patch status from KernelCare for each operating system.
| Operating system | Status | Covered kernels |
|---|---|---|
| AlmaLinux 9.2 ESU | Planned | — |
| AlmaLinux 9.6 ESU | Released |
11 kernels
|
| Amazon Linux 2023 | Planned | — |
| Debian 11 | Released |
36 kernels
|
| Debian 11 cloud | Released |
16 kernels
|
| Debian 12 | Released |
32 kernels
|
| Debian 13 | Will Not Fix | — |
| Oracle Linux 7 UEK 6 | Released |
112 kernels
|
| Oracle Linux 8 UEK 6 | Released |
143 kernels
|
| Oracle Linux 8 UEK 7 | Released |
83 kernels
|
| Oracle Linux 9 UEK 7 | Released |
83 kernels
|
| Proxmox VE 7 5.15 | Released |
47 kernels
|
| Ubuntu 20.04 HWE AWS | Released |
57 kernels
|
| Ubuntu 20.04 HWE Azure | Released |
40 kernels
|
| Ubuntu 22.04 | Released |
90 kernels
|
| Ubuntu 22.04 AWS | Released |
81 kernels
|
| Ubuntu 22.04 Azure | Released |
73 kernels
|
| Ubuntu 24.04 | Released |
39 kernels
|
| Ubuntu 24.04 AWS | Planned | — |