CVE-2026-72140i2c: mlxbf: Fix use-after-free in mlxbf_i2c_init_resource()
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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.
- CVSS
- Not yet scored
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Received
- Record last updated
- Aug 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from b5b5b32081cd206baa6e58cca7f112d9723785d6 before 6a108c9f5a81bb7b29dbb1398be0089655b6bfd2; from b5b5b32081cd206baa6e58cca7f112d9723785d6 before c4d9b6a0c9645366d9e4af8a6ac8347bd4c841aa; from b5b5b32081cd206baa6e58cca7f112d9723785d6 before b398cbbbb9dd76210682a8c9aabd34c5168800b9; from b5b5b32081cd206baa6e58cca7f112d9723785d6 before 5290a52533e09c38374963f4bb0b35121fe555c7; from b5b5b32081cd206baa6e58cca7f112d9723785d6 before ce960a1b2caa4ad08291f28d8bcf17ad5a864e54; from b5b5b32081cd206baa6e58cca7f112d9723785d6 before e6a395a71f4652261d09b572a03c96052662a056; from b5b5b32081cd206baa6e58cca7f112d9723785d6 before fb267770bf822064f510c9b46743f533d8fa8a5f; from b5b5b32081cd206baa6e58cca7f112d9723785d6 before 71356737a7a55c76fee847563e3d33f8e6dc6b6d | CNA record |
References
- 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
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.