{"cve":"CVE-2026-43281","nvd":{"published":"2026-05-06T12:16:49.587","modified":"2026-06-17T10:49:18.173","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmailbox: Prevent out-of-bounds access in fw_mbox_index_xlate()\n\nAlthough it is guided that `#mbox-cells` must be at least 1, there are\nmany instances of `#mbox-cells = <0>;` in the device tree. If that is\nthe case and the corresponding mailbox controller does not provide\n`fw_xlate` and of_xlate` function pointers, `fw_mbox_index_xlate()` will\nbe used by default and out-of-bounds accesses could occur due to lack of\nbounds check in that function.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","score":7.1},"cwes":["CWE-125"],"references":["https://git.kernel.org/stable/c/01d9a8c2615d436b2b30c19c1afe9fcd5726ff6d","https://git.kernel.org/stable/c/2662ed331a69c0b551f78af58f12eb629a89a36f","https://git.kernel.org/stable/c/2c7ff651ec6b660c7c96a36db9328b3232f555d8","https://git.kernel.org/stable/c/31c4c67dec3362094a6747a171a4848e98542265","https://git.kernel.org/stable/c/4caae8168d1b808c7d4ff481295292e3f97f90fb"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:33:55.586217763+00:00"},"epss":{"cve":"CVE-2026-43281","score":0.00119,"percentile":0.0178,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}