185 lines
8.3 KiB
JSON
185 lines
8.3 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-2025-68237",
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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": "2025-12-16T13:41:40.258Z",
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"datePublished": "2025-12-16T14:08:30.940Z",
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"dateUpdated": "2026-05-11T21:49:29.135Z"
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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": "2026-05-11T21:49:29.135Z"
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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\nmtdchar: fix integer overflow in read/write ioctls\n\nThe \"req.start\" and \"req.len\" variables are u64 values that come from the\nuser at the start of the function. We mask away the high 32 bits of\n\"req.len\" so that's capped at U32_MAX but the \"req.start\" variable can go\nup to U64_MAX which means that the addition can still integer overflow.\n\nUse check_add_overflow() to fix this bug."
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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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"drivers/mtd/mtdchar.c"
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],
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{
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"version": "6420ac0af95dbcb2fd8452e2d551ab50e1bbad83",
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"status": "affected",
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},
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{
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"lessThan": "457376c6fbf0c69326a9bf1f72416225f681192b",
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"status": "affected",
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},
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{
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"version": "6420ac0af95dbcb2fd8452e2d551ab50e1bbad83",
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"lessThan": "eb9361484814fb12f3b7544b33835ea67d7a6a97",
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"status": "affected",
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},
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{
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"lessThan": "37944f4f8199cd153fef74e95ca268020162f212",
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"status": "affected",
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},
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{
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"lessThan": "e4185bed738da755b191aa3f2e16e8b48450e1b8",
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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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"drivers/mtd/mtdchar.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": "6.1.159",
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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": "6.6.118",
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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": "6.12.60",
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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": "6.17.10",
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"lessThanOrEqual": "6.17.*",
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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": "6.18",
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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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"operator": "OR",
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"negate": false,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.17",
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"versionEndExcluding": "6.1.159"
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},
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{
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"vulnerable": true,
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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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}
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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/f37efdd97fd1ec3e0d0f1eec279c8279e28f981e"
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},
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{
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"url": "https://git.kernel.org/stable/c/457376c6fbf0c69326a9bf1f72416225f681192b"
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},
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{
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"url": "https://git.kernel.org/stable/c/eb9361484814fb12f3b7544b33835ea67d7a6a97"
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},
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{
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"url": "https://git.kernel.org/stable/c/37944f4f8199cd153fef74e95ca268020162f212"
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},
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{
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"url": "https://git.kernel.org/stable/c/e4185bed738da755b191aa3f2e16e8b48450e1b8"
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}
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],
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"title": "mtdchar: fix integer overflow in read/write ioctls",
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