CVE-2026-90191Published

mailbox: riscv-sbi-mpxy: validate RPMI notification lengths

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-90191

Published

Linux

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/mailbox/riscv-sbi-mpxy-mbox.c"
                    ],
                    "versions": [
                        {
                            "version": "bf3022a4eb119c6b4e3424d6b19d8bfdfbc9bb57",
                            "lessThan": "cbc24bce70dfd91c7b2f53b4fa896e9a4b6d6a6b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "bf3022a4eb119c6b4e3424d6b19d8bfdfbc9bb57",
                            "lessThan": "c7bc5e7677bcda7a446d63b989cfaa3fe91d6b76",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "bf3022a4eb119c6b4e3424d6b19d8bfdfbc9bb57",
                            "lessThan": "11d5af151bcbe78f5a579e0faecd3be9cea0399a",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                }

Linux

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/mailbox/riscv-sbi-mpxy-mbox.c"
                    ],
                    "versions": [
                        {
                            "version": "6.18",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.18",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.52",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.6",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON