Answer in brief
CVE-2023-54234 records a Unknown severity vulnerability in scsi: mpi3mr: Fix missing mrioc->evtack_cmds initialization. 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 | >=c1af985d27da2d530c22604644e9025810f57d7c <4e0dfdb48a824deac3dfbc67fb856ef2aee13529 || >=c1af985d27da2d530c22604644e9025810f57d7c <67989091e11a974003ddf2ec39bc613df8eadd83 || >=c1af985d27da2d530c22604644e9025810f57d7c <e39ea831ebad4ab15c4748cb62a397a8abcca36e | 4e0dfdb48a824deac3dfbc67fb856ef2aee13529, 67989091e11a974003ddf2ec39bc613df8eadd83, e39ea831ebad4ab15c4748cb62a397a8abcca36e |
| Linux/Linuxgeneric | 5.17 | Not reported |
Published upstream
Dec 30, 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: scsi: mpi3mr: Fix missing mrioc->evtack_cmds initialization Commit c1af985d27da ("scsi: mpi3mr: Add Event acknowledgment logic") introduced an array mrioc->evtack_cmds but initialization of the array elements was missed. They are just zero cleared. The function mpi3mr_complete_evt_ack() refers host_tag field of the elements. Due to the zero value of the host_tag field, the function calls clear_bit() for mrico->evtack_cmds_bitmap with wrong bit index. This results in memory access to invalid address and "BUG: KASAN: use-after-free". This BUG was observed at eHBA-9600 firmware update to version 8.3.1.0. To fix it, add the missing initialization of mrioc->evtack_cmds.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2023-54234 records a Unknown severity vulnerability in scsi: mpi3mr: Fix missing mrioc->evtack_cmds initialization. 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 | >=c1af985d27da2d530c22604644e9025810f57d7c <4e0dfdb48a824deac3dfbc67fb856ef2aee13529 || >=c1af985d27da2d530c22604644e9025810f57d7c <67989091e11a974003ddf2ec39bc613df8eadd83 || >=c1af985d27da2d530c22604644e9025810f57d7c <e39ea831ebad4ab15c4748cb62a397a8abcca36e | 4e0dfdb48a824deac3dfbc67fb856ef2aee13529, 67989091e11a974003ddf2ec39bc613df8eadd83, e39ea831ebad4ab15c4748cb62a397a8abcca36e |
| Linux/Linuxgeneric | 5.17 | Not reported |
Published upstream
Dec 30, 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: scsi: mpi3mr: Fix missing mrioc->evtack_cmds initialization Commit c1af985d27da ("scsi: mpi3mr: Add Event acknowledgment logic") introduced an array mrioc->evtack_cmds but initialization of the array elements was missed. They are just zero cleared. The function mpi3mr_complete_evt_ack() refers host_tag field of the elements. Due to the zero value of the host_tag field, the function calls clear_bit() for mrico->evtack_cmds_bitmap with wrong bit index. This results in memory access to invalid address and "BUG: KASAN: use-after-free". This BUG was observed at eHBA-9600 firmware update to version 8.3.1.0. To fix it, add the missing initialization of mrioc->evtack_cmds.
Quoted source text, attributed separately from HOL analysis.