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vuln-cve/data/2026/31xxx/CVE-2026-31645.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-31645",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-03-09T15:48:24.127Z",
"datePublished": "2026-04-24T14:44:58.868Z",
"dateUpdated": "2026-10-21T12:39:37.535Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-10-21T12:39:37.535Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: lan966x: fix page pool leak in error paths\n\nlan966x_fdma_rx_alloc() creates a page pool but does not destroy it if\nthe subsequent fdma_alloc_coherent() call fails, leaking the pool.\n\nSimilarly, lan966x_fdma_init() frees the coherent DMA memory when\nlan966x_fdma_tx_alloc() fails but does not destroy the page pool that\nwas successfully created by lan966x_fdma_rx_alloc(), leaking it.\n\nAdd the missing page_pool_destroy() calls in both error paths."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/net/ethernet/microchip/lan966x/lan966x_fdma.c"
],
"versions": [
{
"version": "11871aba19748b3387e83a2db6360aa7119e9a1a",
"lessThan": "a229a4dc87302fa131f3394b09b0efd8c255a5ac",
"status": "affected",
"versionType": "git"
},
{
"version": "11871aba19748b3387e83a2db6360aa7119e9a1a",
"lessThan": "73e940c4249dc5ec6422d1fae535d192fb125955",
"status": "affected",
"versionType": "git"
},
{
"version": "11871aba19748b3387e83a2db6360aa7119e9a1a",
"lessThan": "22e1ee9f22b5c3bb702bb6d4167d770002a85b2b",
"status": "affected",
"versionType": "git"
},
{
"version": "11871aba19748b3387e83a2db6360aa7119e9a1a",
"lessThan": "4941e234cfd67ac911fb259642b453f9f76aac41",
"status": "affected",
"versionType": "git"
},
{
"version": "11871aba19748b3387e83a2db6360aa7119e9a1a",
"lessThan": "076344a6ad9d1308faaed1402fdcfdda68b604ab",
"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/net/ethernet/microchip/lan966x/lan966x_fdma.c"
],
"versions": [
{
"version": "6.2",
"status": "affected"
},
{
"version": "0",
"lessThan": "6.2",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.160",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.82",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.18.23",
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.19.13",
"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": "6.2",
"versionEndExcluding": "6.6.160"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.2",
"versionEndExcluding": "6.12.82"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.2",
"versionEndExcluding": "6.18.23"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.2",
"versionEndExcluding": "6.19.13"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.2",
"versionEndExcluding": "7.0"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/a229a4dc87302fa131f3394b09b0efd8c255a5ac"
},
{
"url": "https://git.kernel.org/stable/c/73e940c4249dc5ec6422d1fae535d192fb125955"
},
{
"url": "https://git.kernel.org/stable/c/22e1ee9f22b5c3bb702bb6d4167d770002a85b2b"
},
{
"url": "https://git.kernel.org/stable/c/4941e234cfd67ac911fb259642b453f9f76aac41"
},
{
"url": "https://git.kernel.org/stable/c/076344a6ad9d1308faaed1402fdcfdda68b604ab"
}
],
"title": "net: lan966x: fix page pool leak in error paths",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
}
}