Answer in brief
CVE-2023-53377 records a Unknown severity vulnerability in cifs: prevent use-after-free by freeing the cfile later. 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 | >=76894f3e2f71177747b8b4763fb180e800279585 <4fe07d55a5461e66a55fbefb57f85ff0facea32b || >=76894f3e2f71177747b8b4763fb180e800279585 <b6353518ef8180816e863aa23b06456f395404d6 || >=76894f3e2f71177747b8b4763fb180e800279585 <d017880782cf71f8820ee4a2002843893176501d || >=76894f3e2f71177747b8b4763fb180e800279585 <33f736187d08f6bc822117629f263b97d3df4165 || 2d046892a493d9760c35fdaefc3017f27f91b621 || >=6.0.16 <6.1 | 4fe07d55a5461e66a55fbefb57f85ff0facea32b, b6353518ef8180816e863aa23b06456f395404d6, d017880782cf71f8820ee4a2002843893176501d, 33f736187d08f6bc822117629f263b97d3df4165, 6.1 |
| Linux/Linuxgeneric | 6.1 | Not reported |
Published upstream
Sep 18, 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: cifs: prevent use-after-free by freeing the cfile later In smb2_compound_op we have a possible use-after-free which can cause hard to debug problems later on. This was revealed during stress testing with KASAN enabled kernel. Fixing it by moving the cfile free call to a few lines below, after the usage.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2023-53377 records a Unknown severity vulnerability in cifs: prevent use-after-free by freeing the cfile later. 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 | >=76894f3e2f71177747b8b4763fb180e800279585 <4fe07d55a5461e66a55fbefb57f85ff0facea32b || >=76894f3e2f71177747b8b4763fb180e800279585 <b6353518ef8180816e863aa23b06456f395404d6 || >=76894f3e2f71177747b8b4763fb180e800279585 <d017880782cf71f8820ee4a2002843893176501d || >=76894f3e2f71177747b8b4763fb180e800279585 <33f736187d08f6bc822117629f263b97d3df4165 || 2d046892a493d9760c35fdaefc3017f27f91b621 || >=6.0.16 <6.1 | 4fe07d55a5461e66a55fbefb57f85ff0facea32b, b6353518ef8180816e863aa23b06456f395404d6, d017880782cf71f8820ee4a2002843893176501d, 33f736187d08f6bc822117629f263b97d3df4165, 6.1 |
| Linux/Linuxgeneric | 6.1 | Not reported |
Published upstream
Sep 18, 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: cifs: prevent use-after-free by freeing the cfile later In smb2_compound_op we have a possible use-after-free which can cause hard to debug problems later on. This was revealed during stress testing with KASAN enabled kernel. Fixing it by moving the cfile free call to a few lines below, after the usage.
Quoted source text, attributed separately from HOL analysis.