i2c: mlxbf: Fix use-after-free in mlxbf_i2c_init_resource()
Priority LOW 22Published · Updated
Key facts
- Attack vector
- —
- 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: 3 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: i2c: mlxbf: Fix use-after-free in mlxbf_i2c_init_resource() If devm_platform_get_and_ioremap_resource() returns an error, mlxbf_i2c_init_resource() frees tmp_res before reading tmp_res->io to get the error code. This results in a use-after-free. Save the error code before freeing tmp_res.
Why it matters now
EPSS 0.0022 12th percentileScored 2026-11-07
Fix Partial Linux (Linux): 5.10.261, 5.15.212, 6.1.178 +5Red Hat: 3 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.10.261, 5.15.212, 6.1.178, 6.6.145, 6.12.97, 6.18.40, 7.1.5, 7.2
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 8 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 9 | Affected | No fix yet: Fix deferred |
Not affected: 2 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
Timeline
- 2026-10-02 Threatist record created from CVE-2026-72140
- 2026-10-03 Alias added: GHSA-4pv3-vvp3-4j57
- 2026-11-01 Affected versions changed · Red Hat
- 2026-11-01 CVSS score added · Red Hat
References
Other 8
- https://git.kernel.org/stable/c/6a108c9f5a81bb7b29dbb1398be0089655b6bfd2
- https://git.kernel.org/stable/c/c4d9b6a0c9645366d9e4af8a6ac8347bd4c841aa
- https://git.kernel.org/stable/c/b398cbbbb9dd76210682a8c9aabd34c5168800b9
- https://git.kernel.org/stable/c/5290a52533e09c38374963f4bb0b35121fe555c7
- https://git.kernel.org/stable/c/ce960a1b2caa4ad08291f28d8bcf17ad5a864e54
- https://git.kernel.org/stable/c/e6a395a71f4652261d09b572a03c96052662a056
- https://git.kernel.org/stable/c/fb267770bf822064f510c9b46743f533d8fa8a5f
- https://git.kernel.org/stable/c/71356737a7a55c76fee847563e3d33f8e6dc6b6d
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Sources
- CVE-2026-72140 · CVE Program
- CVE-2026-72140 · NVD
- FIRST EPSS
- GHSA-4pv3-vvp3-4j57 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-72140 · Red Hat security data · CC BY 4.0
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