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lib/crypto: mpi: Fix integer underflow in mpi_read_raw_from_sgl()

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

cve-program · CVE-2026-43492

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": [
                        "lib/crypto/mpi/mpicoder.c"
                    ],
                    "versions": [
                        {
                            "version": "2d4d1eea540b27c72488fd1914674c42473d53df",
                            "lessThan": "a1793a48881ec8d26e9c79b0ee65753f1c6846a4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2d4d1eea540b27c72488fd1914674c42473d53df",
                            "lessThan": "1abd50fc3cfa16fc2074a3c8c2729c50fd9d7043",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2d4d1eea540b27c72488fd1914674c42473d53df",
                            "lessThan": "6d63615c796c085b4984e3031b9fa77fffb47360",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2d4d1eea540b27c72488fd1914674c42473d53df",
                            "lessThan": "2aa77a18dc7f2670497fe3ee5acbeda0b57659e5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2d4d1eea540b27c72488fd1914674c42473d53df",
                            "lessThan": "26d3a97ad46c7a9226ec04d4bf35bd4998a97d16",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2d4d1eea540b27c72488fd1914674c42473d53df",
                            "lessThan": "8637dfb4c1d8a7026ef681f2477c6de8b71c4003",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2d4d1eea540b27c72488fd1914674c42473d53df",
                            "lessThan": "30e513e755bb381afce6fb57cdc8694136193f22",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2d4d1eea540b27c72488fd1914674c42473d53df",
                            "lessThan": "8c2f1288250a90a4b5cabed5d888d7e3aeed4035",
                            "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": [
                        "lib/crypto/mpi/mpicoder.c"
                    ],
                    "versions": [
                        {
                            "version": "4.4",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.4",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.259",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.210",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.176",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.140",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.88",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.30",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.7",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }

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

ChangeIntel

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Sources read 9 Nov 18:10 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current