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vuln-cve/data/2026/43xxx/CVE-2026-43141.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-43141",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-05-01T14:12:55.989Z",
"datePublished": "2026-05-06T11:27:26.193Z",
"dateUpdated": "2026-05-11T22:18:33.118Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-05-11T22:18:33.118Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nntb: ntb_hw_switchtec: Fix shift-out-of-bounds for 0 mw lut\n\nNumber of MW LUTs depends on NTB configuration and can be set to zero,\nin such scenario rounddown_pow_of_two will cause undefined behaviour and\nshould not be performed.\nThis patch ensures that rounddown_pow_of_two is called on valid value."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/ntb/hw/mscc/ntb_hw_switchtec.c"
],
"versions": [
{
"version": "ec0467ccbdeb69a86c8729073057bda7bce00eec",
"lessThan": "d652ef399f131fcd5f8f34266167449ee7c9e5b3",
"status": "affected",
"versionType": "git"
},
{
"version": "ec0467ccbdeb69a86c8729073057bda7bce00eec",
"lessThan": "5590cd04d6845c01a6bad985a491c58af6fb5389",
"status": "affected",
"versionType": "git"
},
{
"version": "ec0467ccbdeb69a86c8729073057bda7bce00eec",
"lessThan": "a11d03d116eef138a7249202bd772c8e61915aec",
"status": "affected",
"versionType": "git"
},
{
"version": "ec0467ccbdeb69a86c8729073057bda7bce00eec",
"lessThan": "d0559d07afabfddaaded6a61a16154486b956764",
"status": "affected",
"versionType": "git"
},
{
"version": "ec0467ccbdeb69a86c8729073057bda7bce00eec",
"lessThan": "2e4d5e8d86a969318340be95470bb76e52392082",
"status": "affected",
"versionType": "git"
},
{
"version": "ec0467ccbdeb69a86c8729073057bda7bce00eec",
"lessThan": "a133e3caf844a3f56b6eef89ddaa66115874f6bd",
"status": "affected",
"versionType": "git"
},
{
"version": "ec0467ccbdeb69a86c8729073057bda7bce00eec",
"lessThan": "1a867d0d79a4a570a33f2f433919ad2bd7a27b67",
"status": "affected",
"versionType": "git"
},
{
"version": "ec0467ccbdeb69a86c8729073057bda7bce00eec",
"lessThan": "186615f8855a0be4ee7d3fcd09a8ecc10e783b08",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/ntb/hw/mscc/ntb_hw_switchtec.c"
],
"versions": [
{
"version": "4.15",
"status": "affected"
},
{
"version": "0",
"lessThan": "4.15",
"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": "6.18.16",
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.19.6",
"lessThanOrEqual": "6.19.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.0",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.15",
"versionEndExcluding": "5.10.252"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.15",
"versionEndExcluding": "5.15.202"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.15",
"versionEndExcluding": "6.1.165"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.15",
"versionEndExcluding": "6.6.128"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.15",
"versionEndExcluding": "6.12.75"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.15",
"versionEndExcluding": "6.18.16"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.15",
"versionEndExcluding": "6.19.6"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.15",
"versionEndExcluding": "7.0"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/d652ef399f131fcd5f8f34266167449ee7c9e5b3"
},
{
"url": "https://git.kernel.org/stable/c/5590cd04d6845c01a6bad985a491c58af6fb5389"
},
{
"url": "https://git.kernel.org/stable/c/a11d03d116eef138a7249202bd772c8e61915aec"
},
{
"url": "https://git.kernel.org/stable/c/d0559d07afabfddaaded6a61a16154486b956764"
},
{
"url": "https://git.kernel.org/stable/c/2e4d5e8d86a969318340be95470bb76e52392082"
},
{
"url": "https://git.kernel.org/stable/c/a133e3caf844a3f56b6eef89ddaa66115874f6bd"
},
{
"url": "https://git.kernel.org/stable/c/1a867d0d79a4a570a33f2f433919ad2bd7a27b67"
},
{
"url": "https://git.kernel.org/stable/c/186615f8855a0be4ee7d3fcd09a8ecc10e783b08"
}
],
"title": "ntb: ntb_hw_switchtec: Fix shift-out-of-bounds for 0 mw lut",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
}
}