298 lines
14 KiB
JSON
298 lines
14 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-2025-38415",
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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": "2025-04-16T04:51:24.013Z",
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"datePublished": "2025-07-25T13:32:09.711Z",
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"dateUpdated": "2026-06-18T20:55:27.614Z"
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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": "2026-05-11T21:27:32.721Z"
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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\nSquashfs: check return result of sb_min_blocksize\n\nSyzkaller reports an \"UBSAN: shift-out-of-bounds in squashfs_bio_read\" bug.\n\nSyzkaller forks multiple processes which after mounting the Squashfs\nfilesystem, issues an ioctl(\"/dev/loop0\", LOOP_SET_BLOCK_SIZE, 0x8000). \nNow if this ioctl occurs at the same time another process is in the\nprocess of mounting a Squashfs filesystem on /dev/loop0, the failure\noccurs. When this happens the following code in squashfs_fill_super()\nfails.\n\n----\nmsblk->devblksize = sb_min_blocksize(sb, SQUASHFS_DEVBLK_SIZE);\nmsblk->devblksize_log2 = ffz(~msblk->devblksize);\n----\n\nsb_min_blocksize() returns 0, which means msblk->devblksize is set to 0.\n\nAs a result, ffz(~msblk->devblksize) returns 64, and msblk->devblksize_log2\nis set to 64.\n\nThis subsequently causes the\n\nUBSAN: shift-out-of-bounds in fs/squashfs/block.c:195:36\nshift exponent 64 is too large for 64-bit type 'u64' (aka\n'unsigned long long')\n\nThis commit adds a check for a 0 return by sb_min_blocksize()."
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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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"fs/squashfs/super.c"
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],
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"versions": [
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{
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"version": "0aa666190509ffab81c202c5095a166be23961ac",
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"lessThan": "db7096ea160e40d78c67fce52e7cc51bde049497",
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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": "0aa666190509ffab81c202c5095a166be23961ac",
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"lessThan": "549f9e3d7b60d53808c98b9fde49b4f46d0524a5",
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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": "0aa666190509ffab81c202c5095a166be23961ac",
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"lessThan": "5c51aa862cbeed2f3887f0382a2708956710bd68",
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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": "0aa666190509ffab81c202c5095a166be23961ac",
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"lessThan": "6abf6b78c6fb112eee495f5636ffcc350dd2ce25",
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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": "0aa666190509ffab81c202c5095a166be23961ac",
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"lessThan": "4f99357dadbf9c979ad737156ad4c37fadf7c56b",
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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": "0aa666190509ffab81c202c5095a166be23961ac",
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"lessThan": "0aff95d9bc7fb5400ca8af507429c4b067bdb425",
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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": "0aa666190509ffab81c202c5095a166be23961ac",
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"lessThan": "295ab18c2dbce8d0ac6ecf7c5187e16e1ac8b282",
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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": "0aa666190509ffab81c202c5095a166be23961ac",
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"lessThan": "734aa85390ea693bb7eaf2240623d41b03705c84",
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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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"fs/squashfs/super.c"
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],
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"versions": [
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{
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"version": "2.6.29",
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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": "2.6.29",
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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": "5.4.295",
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"lessThanOrEqual": "5.4.*",
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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": "5.10.239",
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"lessThanOrEqual": "5.10.*",
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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": "5.15.186",
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"lessThanOrEqual": "5.15.*",
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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": "6.1.142",
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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": "6.6.94",
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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": "6.12.34",
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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": "6.15.3",
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"lessThanOrEqual": "6.15.*",
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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": "6.16",
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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": "2.6.29",
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"versionEndExcluding": "5.4.295"
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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": "2.6.29",
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"versionEndExcluding": "5.10.239"
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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": "2.6.29",
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"versionEndExcluding": "5.15.186"
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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": "2.6.29",
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"versionEndExcluding": "6.1.142"
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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": "2.6.29",
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"versionEndExcluding": "6.6.94"
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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": "2.6.29",
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"versionEndExcluding": "6.12.34"
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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": "2.6.29",
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"versionEndExcluding": "6.15.3"
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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": "2.6.29",
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"versionEndExcluding": "6.16"
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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/db7096ea160e40d78c67fce52e7cc51bde049497"
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},
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{
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"url": "https://git.kernel.org/stable/c/549f9e3d7b60d53808c98b9fde49b4f46d0524a5"
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},
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{
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"url": "https://git.kernel.org/stable/c/5c51aa862cbeed2f3887f0382a2708956710bd68"
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},
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{
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"url": "https://git.kernel.org/stable/c/6abf6b78c6fb112eee495f5636ffcc350dd2ce25"
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},
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{
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"url": "https://git.kernel.org/stable/c/4f99357dadbf9c979ad737156ad4c37fadf7c56b"
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},
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{
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"url": "https://git.kernel.org/stable/c/0aff95d9bc7fb5400ca8af507429c4b067bdb425"
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},
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{
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"url": "https://git.kernel.org/stable/c/295ab18c2dbce8d0ac6ecf7c5187e16e1ac8b282"
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},
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{
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"url": "https://git.kernel.org/stable/c/734aa85390ea693bb7eaf2240623d41b03705c84"
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}
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],
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"title": "Squashfs: check return result of sb_min_blocksize",
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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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"adp": [
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{
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"title": "CVE Program Container",
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"references": [
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{
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"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"
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},
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{
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"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"
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}
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],
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"providerMetadata": {
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"shortName": "CVE",
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"dateUpdated": "2025-11-03T17:37:45.927Z"
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}
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},
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-06-18T20:55:21.631432Z",
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"id": "CVE-2025-38415",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-06-18T20:55:27.614Z"
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}
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}
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]
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}
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} |