bnx2x: fix double free in bnx2x_init_firmware() error path
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
- —
- 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: bnx2x: fix double free in bnx2x_init_firmware() error path bnx2x_init_firmware() frees bp->init_ops, bp->init_data and bp->init_ops_offsets in its error path without setting them to NULL. The cleanup function bnx2x_release_firmware() frees the same three pointers unconditionally, so if init_firmware fails and release_firmware is later called (e.g. from __bnx2x_remove or through the function state machine), all three are freed a second time. Set each pointer to NULL after kfree() in the error path so that the subsequent kfree(NULL) in bnx2x_release_firmware() is a safe no-op.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 2.6.31 and later | 5.10.270, 5.15.221, 6.1.188, 6.6.157, 6.12.109, 6.18.50, 7.2.4, 7.3 | Patch available | CNA |
- Linux VendorLinux Affected 2.6.31 and later Fixed in 5.10.270, 5.15.221, 6.1.188, 6.6.157, 6.12.109, 6.18.50, 7.2.4, 7.3 Patch available CNA
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.10.270, 5.15.221, 6.1.188, 6.6.157, 6.12.109, 6.18.50, 7.2.4, 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-2026-89582
- 2026-10-03 Alias added: GHSA-gw39-5689-xrvh
- 2026-10-19 Fix available: Linux/[email protected] · CNA
- 2026-10-21 Affected versions changed · Red Hat
- 2026-10-21 CVSS score changed · Red Hat
- 2026-11-06 Affected versions changed · Red Hat
References
Other 8
- https://git.kernel.org/stable/c/770715784b689749014ce193ef986b706fe8f51c
- https://git.kernel.org/stable/c/c44e5d6c3189241d5f791bc7b1eddde6b92f802c
- https://git.kernel.org/stable/c/07d4516e3eb1fcde4a5db29eb556cdb0ebba6265
- https://git.kernel.org/stable/c/ac280f6872e75df49f3004505bcddff91d9e5362
- https://git.kernel.org/stable/c/dc98e727b9cfc5e19c796bf893878153f00b222b
- https://git.kernel.org/stable/c/4d36e38e48340a1ccf92a98c7a22d07a954e5aa3
- https://git.kernel.org/stable/c/a142c024f07d623e2b6b25943f6c36d4b6b0b4c6
- https://git.kernel.org/stable/c/d2796ffe38cb4155afe0eab23636295b096c27a5
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Sources
- CVE-2026-89582 · CVE Program
- CVE-2026-89582 · NVD
- FIRST EPSS
- GHSA-gw39-5689-xrvh · GitHub Advisory Database · CC BY 4.0
- CVE-2026-89582 · Red Hat security data · CC BY 4.0
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