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CVE-2026-72499

RDMA/bnxt_re: Free CQ toggle page after firmware teardown

HIGH
8.8
CVSS Score
Published: August 15, 2026 at 05:57 AM UTC
Updated: October 21, 2026 at 01:19 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH8.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
90%
6.8e275919d96693c5ca964b20d73a33d52a7e57f04
Vendor states this is fixed in b193854675ecad43b4d69c304c1b6a90b206cc99 (fixed)
Vendor states this is fixed in bb45e06f9914ca64ac95341a80a0c20bb8dd46a9 (fixed)
Vendor states this is fixed in 6.12.114 (unaffected)
Vendor states this is fixed in 6.18.57 (unaffected)
Vendor states this is fixed in 6.8 (unaffected)
Vendor states this is fixed in 7.1.5 (unaffected)
Vendor states this is fixed in 7.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

Source: cverecord
https://git.kernel.org/stable/c/b193854675ecad43b4d69c304c1b6a90b206cc99
Source: cverecord
https://git.kernel.org/stable/c/bb45e06f9914ca64ac95341a80a0c20bb8dd46a9
Source: cverecord
https://git.kernel.org/stable/c/33aed3ba04aa56eeeb876935896aa6530c46640e
Source: cverecord
https://git.kernel.org/stable/c/8a8d69a01bda1fec9b07b5559be2b6ed45b1e974

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHLinux
Vector?

Quick Info

StatusRECEIVED

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