Answer in brief
CVE-2023-54128 records a High severity (CVSS 7.8) vulnerability in fs: drop peer group ids under namespace lock. 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.
CVSS is 7.8. 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 | >=2a1867219c7b27f928e2545782b86daaf9ad50bd <0af8fae81d8b7f1beddc17c5d4cfa43235134648 || >=2a1867219c7b27f928e2545782b86daaf9ad50bd <ddca03d97daa7b07b60c52e3d3060762732c6666 || >=2a1867219c7b27f928e2545782b86daaf9ad50bd <65c324d3f35c05e37afec39ac80743583fdcc96c || >=2a1867219c7b27f928e2545782b86daaf9ad50bd <cb2239c198ad9fbd5aced22cf93e45562da781eb | 0af8fae81d8b7f1beddc17c5d4cfa43235134648, ddca03d97daa7b07b60c52e3d3060762732c6666, 65c324d3f35c05e37afec39ac80743583fdcc96c, cb2239c198ad9fbd5aced22cf93e45562da781eb |
| Linux/Linuxgeneric | 5.12 | 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 4, 2026
In the Linux kernel, the following vulnerability has been resolved: fs: drop peer group ids under namespace lock When cleaning up peer group ids in the failure path we need to make sure to hold on to the namespace lock. Otherwise another thread might just turn the mount from a shared into a non-shared mount concurrently.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2023-54128 records a High severity (CVSS 7.8) vulnerability in fs: drop peer group ids under namespace lock. 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.
CVSS is 7.8. 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 | >=2a1867219c7b27f928e2545782b86daaf9ad50bd <0af8fae81d8b7f1beddc17c5d4cfa43235134648 || >=2a1867219c7b27f928e2545782b86daaf9ad50bd <ddca03d97daa7b07b60c52e3d3060762732c6666 || >=2a1867219c7b27f928e2545782b86daaf9ad50bd <65c324d3f35c05e37afec39ac80743583fdcc96c || >=2a1867219c7b27f928e2545782b86daaf9ad50bd <cb2239c198ad9fbd5aced22cf93e45562da781eb | 0af8fae81d8b7f1beddc17c5d4cfa43235134648, ddca03d97daa7b07b60c52e3d3060762732c6666, 65c324d3f35c05e37afec39ac80743583fdcc96c, cb2239c198ad9fbd5aced22cf93e45562da781eb |
| Linux/Linuxgeneric | 5.12 | 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 4, 2026
In the Linux kernel, the following vulnerability has been resolved: fs: drop peer group ids under namespace lock When cleaning up peer group ids in the failure path we need to make sure to hold on to the namespace lock. Otherwise another thread might just turn the mount from a shared into a non-shared mount concurrently.
Quoted source text, attributed separately from HOL analysis.