CVE-2026-72497
bnxt_re RDMA driver WQE slot validation flaw allows kernel memory corruption.
Is CVE-2026-72497 being exploited?
Not confirmed. CVE-2026-72497 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.12% probability of exploitation in the next 30 days.
How severe is CVE-2026-72497?
CVE-2026-72497 is rated High with a CVSS score of 8.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-72497?
Yes. A fix has been recorded for CVE-2026-72497. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-72497 affect?
CVE-2026-72497 affects Linux kernel (bnxt_re RDMA driver), Servers with Broadcom bnxt/bnxt_re NICs, Distributions shipping affected kernels. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-72497?
Install vendor/distro kernel or bnxt_re driver updates immediately.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Malformed WQE slot values can trigger kernel memory corruption in bnxt_re, enabling local privilege escalation or causing system crash (DoS).
Patch when possible
- affected>= d8ea645d6984c84a87032063a0941f15a323831f and < a59d815cbe667929b693b5fa6716a074e6a31c5b
- affected>= d8ea645d6984c84a87032063a0941f15a323831f and < dc95931b7e1326dacae547874bf38c092e5960d8
- affected6.12
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.