143 lines
6.1 KiB
JSON
143 lines
6.1 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-45971",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2026-05-13T15:03:33.089Z",
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"datePublished": "2026-05-27T12:18:30.651Z",
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"dateUpdated": "2026-05-27T12:18:30.651Z"
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},
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"shortName": "Linux",
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"dateUpdated": "2026-05-27T12:18:30.651Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Limit bpf program signature size\n\nPractical BPF signatures are significantly smaller than\nKMALLOC_MAX_CACHE_SIZE\n\nAllowing larger sizes opens the door for abuse by passing excessive\nsize values and forcing the kernel into expensive allocation paths (via\nkmalloc_large or vmalloc)."
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"kernel/bpf/syscall.c"
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],
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"versions": [
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{
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"version": "349271568303695f0ac3563af153d2b4542f6986",
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"kernel/bpf/syscall.c"
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],
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"versions": [
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{
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"version": "6.18",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "6.18",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.18.14",
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"lessThanOrEqual": "6.18.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.19.4",
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"lessThanOrEqual": "6.19.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "7.0",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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"versionStartIncluding": "6.18",
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"versionEndExcluding": "6.18.14"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "6.19.4"
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},
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{
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/5835a077c6f5c565d525eaca9fac01572b97a9b9"
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},
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{
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"url": "https://git.kernel.org/stable/c/eb8166c79097996396468a341de258a798789d36"
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},
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{
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"url": "https://git.kernel.org/stable/c/ea1535e28bb3773fc0b3cbd1f3842b808016990c"
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}
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],
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"title": "bpf: Limit bpf program signature size",
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