CVE-2026-72499
Use-after-free in Linux bnxt_re RDMA driver can corrupt kernel memory.
Is CVE-2026-72499 being exploited?
Not confirmed. CVE-2026-72499 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-2026-72499?
CVE-2026-72499 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-2026-72499?
Yes. A fix has been recorded for CVE-2026-72499. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-72499 affect?
CVE-2026-72499 affects Linux kernel (bnxt_re RDMA driver), Servers with Broadcom/NetXtreme RDMA NICs, Linux distributions shipping affected kernels. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-72499?
Apply vendor/kernel patches or update kernel; disable RDMA NICs if patch delayed.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Kernel use-after-free via RDMA NQ interrupt may cause crashes or local privilege escalation on affected hosts.
Patch when possible
- affected>= e275919d96693c5ca964b20d73a33d52a7e57f04 and < b193854675ecad43b4d69c304c1b6a90b206cc99
- affected>= e275919d96693c5ca964b20d73a33d52a7e57f04 and < bb45e06f9914ca64ac95341a80a0c20bb8dd46a9
- affected6.8
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.