CVE-2023-54156 remediation guide
Linux
In the Linux kernel, the following vulnerability has been resolved: sfc: fix crash when reading stats while NIC is resetting efx_net_stats() (.ndo_get_stats64) can be called during an ethtool selftest, during which time nic_data->mc_stats is NULL as the NIC has been fini'd. In this case do not attempt to fetch the latest stats from the hardware, else we will crash on a NULL dereference: BUG: kernel NULL pointer dereference, address: 0000000000000038 RIP efx_nic_update_stats abridged calltrace: efx_ef10_update_stats_pf efx_net_stats dev_get_stats dev_seq_printf_stats Skipping the read is saf...
A verified fixed-version field is not available. Use the linked NVD and supporting references, then confirm the vendor-supported path before changing production systems.
Identify the affected asset
Confirm whether Linux is installed, record the deployed version and installation path, and identify exposed interfaces.
- Record the product name, package or appliance identifier, and installed version.
- Identify internet-facing, administrative, API, and internal access paths.
- Preserve the pre-change configuration and relevant service logs.
Validate the affected-version match
Compare the deployed version with the affected range: >= d3142c193dca9a2f6878f4128ce1aaf221bb3f99 < cb1aa7cc562cab6a87ea33574c8c65f2d2fd7aeb, >= d3142c193dca9a2f6878f4128ce1aaf221bb3f99 < 91f4ef204e731565afdc6c2a7fcf509a3fd6fd67, >= d3142c193dca9a2f6878f4128ce1aaf221bb3f99 < 446f5567934331923d0aec4ce045e4ecb0174aae, >= d3142c193dca9a2f6878f4128ce1aaf221bb3f99 < 470152d76b3ed107d172ea46acc4bfa941f20b4b, >= d3142c193dca9a2f6878f4128ce1aaf221bb3f99 < aba32b4c58112960c0c708703ca6b44dc8944082, >= d3142c193dca9a2f6878f4128ce1aaf221bb3f99 < d1b355438b8325a486f087e506d412c4e852f37b, >= 5.9. Treat incomplete inventory results as unresolved.
Prioritize with independent signals
The CVSS severity warrants an early asset and exposure review. Combine this signal with asset criticality, exposure, compensating controls, and business impact.
Apply supported remediation
Follow the vendor advisory or supported update path. Current fixed-version status: No verified fixed-version field is available yet. Preserve configuration and rollback material before change.
Verify the result
Confirm the resulting version, service health, authentication and access paths, monitoring coverage, and relevant security logs.
- Confirm the expected version and package state.
- Run a functional health check for critical service paths.
- Review authentication, error, application, and security monitoring logs.
- Reassess exposure if the supported fix cannot be applied.
Operational boundary
This page does not replace the vendor advisory, support contract, change-management process, or recovery plan. Do not infer that an asset is unaffected from an incomplete inventory query or a missing fixed-version field.