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vuln-cve/data/2026/45xxx/CVE-2026-45993.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-45993",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-05-13T15:03:33.091Z",
"datePublished": "2026-05-27T12:55:46.480Z",
"dateUpdated": "2026-06-19T11:58:50.818Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-06-19T11:58:50.818Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nLoongArch: Add spectre boundry for syscall dispatch table\n\nThe LoongArch syscall number is directly controlled by userspace, but\ndoes not have a array_index_nospec() boundry to prevent access past the\nsyscall function pointer tables."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"arch/loongarch/kernel/syscall.c"
],
"versions": [
{
"version": "be769645a2aef577f07afdcb4de8fad20b6d57c0",
"lessThan": "c8a8e863928424046b8fd328f02c359baa0a0c3f",
"status": "affected",
"versionType": "git"
},
{
"version": "be769645a2aef577f07afdcb4de8fad20b6d57c0",
"lessThan": "108f2cd13577a410c0ad6ea00708596d9d0dfc90",
"status": "affected",
"versionType": "git"
},
{
"version": "be769645a2aef577f07afdcb4de8fad20b6d57c0",
"lessThan": "07040904ad217545be096d4280ed33c02f6a3750",
"status": "affected",
"versionType": "git"
},
{
"version": "be769645a2aef577f07afdcb4de8fad20b6d57c0",
"lessThan": "85cbf7fb568af5358aae61925c4e66b8f5e1439d",
"status": "affected",
"versionType": "git"
},
{
"version": "be769645a2aef577f07afdcb4de8fad20b6d57c0",
"lessThan": "bc84a109c2082dd0c4b38e8d923c046b41977533",
"status": "affected",
"versionType": "git"
},
{
"version": "be769645a2aef577f07afdcb4de8fad20b6d57c0",
"lessThan": "0c965d2784fbbd7f8e3b96d875c9cfdf7c00da3d",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"arch/loongarch/kernel/syscall.c"
],
"versions": [
{
"version": "5.19",
"status": "affected"
},
{
"version": "0",
"lessThan": "5.19",
"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": "6.12.86",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.18.27",
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.0.4",
"lessThanOrEqual": "7.0.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.1",
"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": "5.19",
"versionEndExcluding": "6.1.176"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.19",
"versionEndExcluding": "6.6.140"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.19",
"versionEndExcluding": "6.12.86"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.19",
"versionEndExcluding": "6.18.27"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.19",
"versionEndExcluding": "7.0.4"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.19",
"versionEndExcluding": "7.1"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/c8a8e863928424046b8fd328f02c359baa0a0c3f"
},
{
"url": "https://git.kernel.org/stable/c/108f2cd13577a410c0ad6ea00708596d9d0dfc90"
},
{
"url": "https://git.kernel.org/stable/c/07040904ad217545be096d4280ed33c02f6a3750"
},
{
"url": "https://git.kernel.org/stable/c/85cbf7fb568af5358aae61925c4e66b8f5e1439d"
},
{
"url": "https://git.kernel.org/stable/c/bc84a109c2082dd0c4b38e8d923c046b41977533"
},
{
"url": "https://git.kernel.org/stable/c/0c965d2784fbbd7f8e3b96d875c9cfdf7c00da3d"
}
],
"title": "LoongArch: Add spectre boundry for syscall dispatch table",
"x_generator": {
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}
}
}
}