bnxt_en: Propagate RX ring init failures in bnxt_init_nic()
Key facts
- Attack vector
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- Privileges required
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- User interaction
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- Attack complexity
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- Impact type
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- Confidentiality · integrity · availability
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- Fix status
- Partial Red Hat: 6 without a fix
No CVSS vector from any source. Fix status from CNA and Red Hat.
Summary
In the Linux kernel, the following vulnerability has been resolved: bnxt_en: Propagate RX ring init failures in bnxt_init_nic() bnxt_init_rx_rings() returns an error when bnxt_alloc_one_rx_ring() fails, but bnxt_init_nic() discards that return value and calls bnxt_init_chip(), which enables TPA. If an allocation fails, this could leave rxr->rx_tpa[] partially zeroed and TPA would be enabled over an array with zeroed entries. This would lead to a zeroed DMA address being handed out if the agg_idx is translated to a SW index at a zeroed entry. Fix this by propagating the error out of bnxt_init_nic(). Both callers already check its return value and unwind with bnxt_free_skbs() and bnxt_free_mem(), which tolerate a partially initialized RX ring.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.10.271, 5.15.222, 6.1.189, 6.6.158, 6.12.111, 6.18.53, 7.2.7, 7.3
Vendor assessments
Red Hat
Red Hat rating: Moderate. 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 7 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 8 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 9 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 4 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 5 | Affected | No fix yet: Fix deferred |
Not affected: 1 product
- Red Hat Enterprise Linux 6
Timeline
- 2026-10-02 Threatist record created from CVE-2026-97572
- 2026-10-03 Alias added: GHSA-675v-24qc-j383
- 2026-10-03 Fix available: Linux/Linux@1f2d333ae2e1a73b7cc1c2a627587024cd147c01, Linux/[email protected], Linux/[email protected] +5 · CNA
- 2026-10-03 4 new references · CNA
- 2026-10-19 Fix available: Linux/[email protected] · CNA
- 2026-11-06 Affected versions changed · Red Hat
References
Other 8
- https://git.kernel.org/stable/c/e40641638743b4b848d5ed78a0565afffc359d8e
- https://git.kernel.org/stable/c/6b24eca42619b93f69aebc2aa0a9fd28ac9a5085
- https://git.kernel.org/stable/c/1f2d333ae2e1a73b7cc1c2a627587024cd147c01
- https://git.kernel.org/stable/c/c3eb07e78e628243cbb9bbb0115db802fb7a303f
- https://git.kernel.org/stable/c/daadccd062fdca5e77a8cc22ffe35857803b6c49
- https://git.kernel.org/stable/c/b4c40f2c80d7bf50648878bc206a39adfbfaec6c
- https://git.kernel.org/stable/c/dfd73af81cdb9f7b399754a59e2658a08211bee5
- https://git.kernel.org/stable/c/8e6a850c0746bb4be167aedf1ee57469fcda09a9
More Linux vulnerabilities
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- 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-2026-97572 · CVE Program
- CVE-2026-97572 · NVD
- FIRST EPSS
- GHSA-675v-24qc-j383 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-97572 · Red Hat security data · CC BY 4.0
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