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RDMA/umad: Reject negative data_len in ib_umad_write

cve-program · CVE-2026-23243

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/infiniband/core/user_mad.c"
                    ],
                    "versions": [
                        {
                            "version": "2be8e3ee8efd6f99ce454115c29d09750915021a",
                            "lessThan": "1371ef6b1ecf3676b8942f5dfb3634fb0648128e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2be8e3ee8efd6f99ce454115c29d09750915021a",
                            "lessThan": "362e45fd9069ffa1523f9f1633b606ebf72060d7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2be8e3ee8efd6f99ce454115c29d09750915021a",
                            "lessThan": "6eb2919474ca105c5b13d19574e25f0ddcf19ca2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2be8e3ee8efd6f99ce454115c29d09750915021a",
                            "lessThan": "a6a3e4af10993cb9e4b8f0548680aba0ab5f3b0d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2be8e3ee8efd6f99ce454115c29d09750915021a",
                            "lessThan": "9c80d688f402539dfc8f336de1380d6b4ee14316",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2be8e3ee8efd6f99ce454115c29d09750915021a",
                            "lessThan": "205955f29c26330b1dc7fdeadd5bb97c38e26f56",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2be8e3ee8efd6f99ce454115c29d09750915021a",
                            "lessThan": "52ab82cc5cf8ada5c3fb6ffe8f32fdb2fc27a34b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2be8e3ee8efd6f99ce454115c29d09750915021a",
                            "lessThan": "5551b02fdbfd85a325bb857f3a8f9c9f33397ed2",
                            "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/infiniband/core/user_mad.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.24",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.24",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.252",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.202",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.165",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.128",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.75",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.14",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.4",
                            "lessThanOrEqual": "6.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }

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

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Sources read 8 Nov 21:05 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current