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vuln-cve/data/2026/98xxx/CVE-2026-98791.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-98791",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-09-25T10:25:14.370Z",
"datePublished": "2026-10-18T15:48:30.080Z",
"dateUpdated": "2026-10-19T09:25:44.148Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-10-19T09:25:44.148Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5e: Fix AF_XDP TX timestamp teardown NULL dereference\n\nDuring XSK TX queue teardown, outstanding descriptors are completed\nwithout a CQE. If one requested a TX timestamp, the completion path\npasses that NULL CQE to mlx5e_xsk_fill_timestamp(), which dereferences\nit.\n\nReturn zero when no CQE is available, indicating that teardown did not\nproduce a TX timestamp."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c"
],
"versions": [
{
"version": "ec706a860eba99bf934d59f74b5db90af44e882e",
"lessThan": "fce70b6bf9f3261e887419a4e7caa25b80fa9d55",
"status": "affected",
"versionType": "git"
},
{
"version": "ec706a860eba99bf934d59f74b5db90af44e882e",
"lessThan": "f81d40e2eb69552334f510114f3e6edd0d43178b",
"status": "affected",
"versionType": "git"
},
{
"version": "ec706a860eba99bf934d59f74b5db90af44e882e",
"lessThan": "63df0ef4c6e3105589e6bb2e758ce611b0ada86c",
"status": "affected",
"versionType": "git"
},
{
"version": "ec706a860eba99bf934d59f74b5db90af44e882e",
"lessThan": "7b97273cbebe9dd4fddc457f0c4f2a124d0e3996",
"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/mellanox/mlx5/core/en/xdp.c"
],
"versions": [
{
"version": "6.8",
"status": "affected"
},
{
"version": "0",
"lessThan": "6.8",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.113",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.18.56",
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.2.10",
"lessThanOrEqual": "7.2.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.3",
"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": "6.8",
"versionEndExcluding": "6.12.113"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.8",
"versionEndExcluding": "6.18.56"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.8",
"versionEndExcluding": "7.2.10"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.8",
"versionEndExcluding": "7.3"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/fce70b6bf9f3261e887419a4e7caa25b80fa9d55"
},
{
"url": "https://git.kernel.org/stable/c/f81d40e2eb69552334f510114f3e6edd0d43178b"
},
{
"url": "https://git.kernel.org/stable/c/63df0ef4c6e3105589e6bb2e758ce611b0ada86c"
},
{
"url": "https://git.kernel.org/stable/c/7b97273cbebe9dd4fddc457f0c4f2a124d0e3996"
}
],
"title": "net/mlx5e: Fix AF_XDP TX timestamp teardown NULL dereference",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
}
}