206 lines
9.9 KiB
JSON
206 lines
9.9 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-2026-64297",
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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": "2026-07-19T15:36:31.778Z",
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"datePublished": "2026-07-25T08:49:34.486Z",
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"dateUpdated": "2026-08-17T04:52:54.883Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-08-17T04:52:54.883Z"
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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\nmodule: decompress: check return value of module_extend_max_pages()\n\nmodule_extend_max_pages() calls kvrealloc() internally and returns\n-ENOMEM on allocation failure. The return value is never checked.\n\nIf the initial allocation fails, info->pages remains NULL and\ninfo->max_pages remains 0. Subsequent calls to module_get_next_page()\nwill attempt to dynamically grow the array by calling\nmodule_extend_max_pages(info, 0) since info->used_pages is 0. This\nresults in kvrealloc(NULL, 0) returning ZERO_SIZE_PTR, which is treated\nas a success, leading to a dereference of ZERO_SIZE_PTR and a kernel\noops.\n\nFix: add the missing error check after module_extend_max_pages() and\nreturn immediately on failure. This matches the pattern used by every\nother kvrealloc() caller in the module loading path.\n\n[Sami: Corrected the analysis in the commit message.]"
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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/module/decompress.c"
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],
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"versions": [
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{
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"version": "b1ae6dc41eaaa98bb75671e0f3665bfda248c3e7",
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"lessThan": "e7f174715f9f0cbcb9e87b52e4fc4ef149baac98",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "b1ae6dc41eaaa98bb75671e0f3665bfda248c3e7",
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"lessThan": "afcc0515bbdd28d509a2b5870faaa89b137f5d53",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "b1ae6dc41eaaa98bb75671e0f3665bfda248c3e7",
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"lessThan": "168072baf9ad516d5a06046514c7fea4c0671990",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "b1ae6dc41eaaa98bb75671e0f3665bfda248c3e7",
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"lessThan": "a82e170637e050a803b4f37542371ef216bf66d2",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "b1ae6dc41eaaa98bb75671e0f3665bfda248c3e7",
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"lessThan": "e7da02659c229f73492fb1ed87ceda4090153aaa",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "b1ae6dc41eaaa98bb75671e0f3665bfda248c3e7",
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"lessThan": "786d2d84416a9a1c1a47b71a68d679d886284be2",
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"status": "affected",
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"versionType": "git"
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}
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]
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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/module/decompress.c"
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],
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"versions": [
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{
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"version": "5.17",
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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": "5.17",
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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": "6.1.178",
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"lessThanOrEqual": "6.1.*",
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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": "6.6.145",
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"lessThanOrEqual": "6.6.*",
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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": "6.12.96",
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"lessThanOrEqual": "6.12.*",
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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": "6.18.39",
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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": "7.1.4",
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"lessThanOrEqual": "7.1.*",
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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": "7.2",
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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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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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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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"versionStartIncluding": "5.17",
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"versionEndExcluding": "6.1.178"
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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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"versionStartIncluding": "5.17",
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"versionEndExcluding": "6.6.145"
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},
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"versionStartIncluding": "5.17",
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"versionEndExcluding": "6.12.96"
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},
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"versionStartIncluding": "5.17",
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"versionEndExcluding": "6.18.39"
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},
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"versionStartIncluding": "5.17",
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"versionEndExcluding": "7.1.4"
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},
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"versionStartIncluding": "5.17",
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"versionEndExcluding": "7.2"
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}
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]
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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/e7f174715f9f0cbcb9e87b52e4fc4ef149baac98"
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},
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{
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"url": "https://git.kernel.org/stable/c/afcc0515bbdd28d509a2b5870faaa89b137f5d53"
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},
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{
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"url": "https://git.kernel.org/stable/c/168072baf9ad516d5a06046514c7fea4c0671990"
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},
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{
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"url": "https://git.kernel.org/stable/c/a82e170637e050a803b4f37542371ef216bf66d2"
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},
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{
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"url": "https://git.kernel.org/stable/c/e7da02659c229f73492fb1ed87ceda4090153aaa"
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},
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{
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"url": "https://git.kernel.org/stable/c/786d2d84416a9a1c1a47b71a68d679d886284be2"
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}
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],
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"title": "module: decompress: check return value of module_extend_max_pages()",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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}
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} |