Answer in brief
CVE-2026-72032 records a Unknown severity vulnerability in net/mlx5: HWS, fix matcher leak on resize target setup failure. 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 | >=2111bb970c787b16b002dc726c1d296ce87a00fb <a751ccdc6ea9bde154f25a5ba66926f462f96c19 || >=2111bb970c787b16b002dc726c1d296ce87a00fb <1dce4f4bb3c1c02080b1a45bdd2abb2913a6642a || >=2111bb970c787b16b002dc726c1d296ce87a00fb <ae0265f0a95aaacef59d560a3e1ea36db8be9a52 || >=2111bb970c787b16b002dc726c1d296ce87a00fb <bb09d0e64ecaa0aa0f7d1133a1696ed74dead295 | a751ccdc6ea9bde154f25a5ba66926f462f96c19, 1dce4f4bb3c1c02080b1a45bdd2abb2913a6642a, ae0265f0a95aaacef59d560a3e1ea36db8be9a52, bb09d0e64ecaa0aa0f7d1133a1696ed74dead295 |
| Linux/Linuxgeneric | 6.12 | Not reported |
Published upstream
Aug 15, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 15, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 15, 2026
In the Linux kernel, the following vulnerability has been resolved: net/mlx5: HWS, fix matcher leak on resize target setup failure hws_bwc_matcher_move() allocates a replacement matcher before setting it as the resize target. If mlx5hws_matcher_resize_set_target() fails, the replacement matcher is not attached anywhere and is leaked. Fix the leak by destroying the replacement matcher before returning from the resize-target failure path. The bug was first flagged by an experimental analysis tool we are developing for kernel memory-management bugs while analyzing v6.13-rc1. The tool is still under development and is not yet publicly available. Manual inspection confirms that the bug is still present in v7.1.1. An x86_64 allyesconfig build showed no new warnings. As we do not have a mlx5 HWS-capable device to test with, no runtime testing was able to be performed.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-72032 records a Unknown severity vulnerability in net/mlx5: HWS, fix matcher leak on resize target setup failure. 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 | >=2111bb970c787b16b002dc726c1d296ce87a00fb <a751ccdc6ea9bde154f25a5ba66926f462f96c19 || >=2111bb970c787b16b002dc726c1d296ce87a00fb <1dce4f4bb3c1c02080b1a45bdd2abb2913a6642a || >=2111bb970c787b16b002dc726c1d296ce87a00fb <ae0265f0a95aaacef59d560a3e1ea36db8be9a52 || >=2111bb970c787b16b002dc726c1d296ce87a00fb <bb09d0e64ecaa0aa0f7d1133a1696ed74dead295 | a751ccdc6ea9bde154f25a5ba66926f462f96c19, 1dce4f4bb3c1c02080b1a45bdd2abb2913a6642a, ae0265f0a95aaacef59d560a3e1ea36db8be9a52, bb09d0e64ecaa0aa0f7d1133a1696ed74dead295 |
| Linux/Linuxgeneric | 6.12 | Not reported |
Published upstream
Aug 15, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 15, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 15, 2026
In the Linux kernel, the following vulnerability has been resolved: net/mlx5: HWS, fix matcher leak on resize target setup failure hws_bwc_matcher_move() allocates a replacement matcher before setting it as the resize target. If mlx5hws_matcher_resize_set_target() fails, the replacement matcher is not attached anywhere and is leaked. Fix the leak by destroying the replacement matcher before returning from the resize-target failure path. The bug was first flagged by an experimental analysis tool we are developing for kernel memory-management bugs while analyzing v6.13-rc1. The tool is still under development and is not yet publicly available. Manual inspection confirms that the bug is still present in v7.1.1. An x86_64 allyesconfig build showed no new warnings. As we do not have a mlx5 HWS-capable device to test with, no runtime testing was able to be performed.
Quoted source text, attributed separately from HOL analysis.