RDMA/bnxt_re: Free SRQ toggle page after firmware teardown (CVE-2026-72500) | HOL Guard CVE

High · CVSS 8.8CVE-2026-72500

RDMA/bnxt_re: Free SRQ toggle page after firmware teardown

Answer in brief

CVE-2026-72500 records a High severity (CVSS 8.8) vulnerability in RDMA/bnxt_re: Free SRQ toggle page after firmware teardown. 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.

Published Aug 15, 2026Updated Aug 17, 2026Source checked Sep 29, 2026First seen by HOL Aug 15, 2026Material review Aug 17, 2026

Upstream Advisory

Key facts

Risk: High · CVSS 8.8
Exploitation: Not marked as known exploited
Affected software: 2 mapped packages or products
Fix availability: Available

Why this deserves its current priority

CVSS is 8.8. 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.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Linux/Linuxgeneric	>=181028a0d84cdcc7ac86d05cc49eaa416ce85c8b <104a7ff382a58a83cae018925e3574c784e8274c \|\| >=181028a0d84cdcc7ac86d05cc49eaa416ce85c8b <0adcd67f3d6f84835be682da0153f57f5c2f8036 \|\| >=181028a0d84cdcc7ac86d05cc49eaa416ce85c8b <131e2918b9b0529687e67e2e58047304027f095a	104a7ff382a58a83cae018925e3574c784e8274c, 0adcd67f3d6f84835be682da0153f57f5c2f8036, 131e2918b9b0529687e67e2e58047304027f095a
Linux/Linuxgeneric	6.12	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
Review the reported fix. Update Linux/Linux to 104a7ff382a58a83cae018925e3574c784e8274c if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Aug 15, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Aug 17, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Aug 15, 2026

Sources and claim methodology

Upstream source description

In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxt_re: Free SRQ toggle page after firmware teardown Free the toggle page only after firmware teardown completes so that an NQ interrupt arriving during bnxt_qplib_destroy_srq() won't write the toggle values to an already-freed page. Move free_page() after bnxt_qplib_destroy_srq().

Quoted source text, attributed separately from HOL analysis.