RDMA/bnxt_re: Proper rollback if the ioremap fails
Priority LOW 39Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · High · High
- Fix status
- Partial Red Hat: 2 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat.
Summary
In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxt_re: Proper rollback if the ioremap fails bnxt_qplib_alloc_dpi returns success even if ioremap fails. Add the proper rollback when the ioremap fails and return -ENOMEM status.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00137 3rd percentileScored 2026-11-07
Fix Partial Linux (Linux): 6.6.158, 6.12.111, 6.18.53 +2Red Hat: 2 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA Linux (Linux) Fixed in 6.6.158, 6.12.111, 6.18.53, 7.1.5, 7.2
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 10 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 9 | Affected | No fix yet: Fix deferred |
Not affected: 4 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2026-72496
- 2026-10-03 Alias added: GHSA-hg58-cc7q-mhx9
- 2026-10-03 Fix available: Linux/Linux@00444baa8f74d220764ee5903f60759c120cabd5, Linux/[email protected] · CNA
- 2026-10-03 1 new reference · CNA
- 2026-10-16 CISA SSVC decision points changed
- 2026-10-29 Affected versions changed · Red Hat
References
Other 5
- https://git.kernel.org/stable/c/00444baa8f74d220764ee5903f60759c120cabd5
- https://git.kernel.org/stable/c/3c69ff7f4a761e18ce8abfa0c98e12097b39adaa
- https://git.kernel.org/stable/c/f956477c343aa73e9d9c8d6ebf32efac7cd4f4e2
- https://git.kernel.org/stable/c/303f6fef95df5e5316970746d861cf6daeeca77f
- https://git.kernel.org/stable/c/87267803a8c824616eb147c5dad7030a5db6f878
More Linux vulnerabilities
- TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
- TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
- TI-2021-02452 Incorrect authorization in Ubuntu linux kernel KEVCVSS 3.1HIGH 8.8
- TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
- TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
Sources
- CVE-2026-72496 · CVE Program
- CVE-2026-72496 · NVD
- FIRST EPSS
- GHSA-hg58-cc7q-mhx9 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-72496 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences