Answer in brief
CVE-2023-54156 records a Unknown severity vulnerability in sfc: fix crash when reading stats while NIC is resetting. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=d3142c193dca9a2f6878f4128ce1aaf221bb3f99 <cb1aa7cc562cab6a87ea33574c8c65f2d2fd7aeb || >=d3142c193dca9a2f6878f4128ce1aaf221bb3f99 <91f4ef204e731565afdc6c2a7fcf509a3fd6fd67 || >=d3142c193dca9a2f6878f4128ce1aaf221bb3f99 <446f5567934331923d0aec4ce045e4ecb0174aae || >=d3142c193dca9a2f6878f4128ce1aaf221bb3f99 <470152d76b3ed107d172ea46acc4bfa941f20b4b || >=d3142c193dca9a2f6878f4128ce1aaf221bb3f99 <aba32b4c58112960c0c708703ca6b44dc8944082 || >=d3142c193dca9a2f6878f4128ce1aaf221bb3f99 <d1b355438b8325a486f087e506d412c4e852f37b | cb1aa7cc562cab6a87ea33574c8c65f2d2fd7aeb, 91f4ef204e731565afdc6c2a7fcf509a3fd6fd67, 446f5567934331923d0aec4ce045e4ecb0174aae, 470152d76b3ed107d172ea46acc4bfa941f20b4b, aba32b4c58112960c0c708703ca6b44dc8944082, d1b355438b8325a486f087e506d412c4e852f37b |
| Linux/Linuxgeneric | 5.9 | Not reported |
Published upstream
Dec 24, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 5, 2026
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 safe, we will simply give out stale stats. To ensure that the free in efx_ef10_fini_nic() does not race against efx_ef10_update_stats_pf(), which could cause a TOCTTOU bug, take the efx->stats_lock in fini_nic (it is already held across update_stats).
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2023-54156 records a Unknown severity vulnerability in sfc: fix crash when reading stats while NIC is resetting. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=d3142c193dca9a2f6878f4128ce1aaf221bb3f99 <cb1aa7cc562cab6a87ea33574c8c65f2d2fd7aeb || >=d3142c193dca9a2f6878f4128ce1aaf221bb3f99 <91f4ef204e731565afdc6c2a7fcf509a3fd6fd67 || >=d3142c193dca9a2f6878f4128ce1aaf221bb3f99 <446f5567934331923d0aec4ce045e4ecb0174aae || >=d3142c193dca9a2f6878f4128ce1aaf221bb3f99 <470152d76b3ed107d172ea46acc4bfa941f20b4b || >=d3142c193dca9a2f6878f4128ce1aaf221bb3f99 <aba32b4c58112960c0c708703ca6b44dc8944082 || >=d3142c193dca9a2f6878f4128ce1aaf221bb3f99 <d1b355438b8325a486f087e506d412c4e852f37b | cb1aa7cc562cab6a87ea33574c8c65f2d2fd7aeb, 91f4ef204e731565afdc6c2a7fcf509a3fd6fd67, 446f5567934331923d0aec4ce045e4ecb0174aae, 470152d76b3ed107d172ea46acc4bfa941f20b4b, aba32b4c58112960c0c708703ca6b44dc8944082, d1b355438b8325a486f087e506d412c4e852f37b |
| Linux/Linuxgeneric | 5.9 | Not reported |
Published upstream
Dec 24, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 5, 2026
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 safe, we will simply give out stale stats. To ensure that the free in efx_ef10_fini_nic() does not race against efx_ef10_update_stats_pf(), which could cause a TOCTTOU bug, take the efx->stats_lock in fini_nic (it is already held across update_stats).
Quoted source text, attributed separately from HOL analysis.