282 lines
14 KiB
JSON
282 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-2022-49993",
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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": "2025-06-18T10:57:27.387Z",
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"datePublished": "2025-06-18T11:00:53.487Z",
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"dateUpdated": "2026-11-05T20:00:13.340Z"
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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": "2026-05-11T19:10:39.147Z"
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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\nloop: Check for overflow while configuring loop\n\nThe userspace can configure a loop using an ioctl call, wherein\na configuration of type loop_config is passed (see lo_ioctl()'s\ncase on line 1550 of drivers/block/loop.c). This proceeds to call\nloop_configure() which in turn calls loop_set_status_from_info()\n(see line 1050 of loop.c), passing &config->info which is of type\nloop_info64*. This function then sets the appropriate values, like\nthe offset.\n\nloop_device has lo_offset of type loff_t (see line 52 of loop.c),\nwhich is typdef-chained to long long, whereas loop_info64 has\nlo_offset of type __u64 (see line 56 of include/uapi/linux/loop.h).\n\nThe function directly copies offset from info to the device as\nfollows (See line 980 of loop.c):\n\tlo->lo_offset = info->lo_offset;\n\nThis results in an overflow, which triggers a warning in iomap_iter()\ndue to a call to iomap_iter_done() which has:\n\tWARN_ON_ONCE(iter->iomap.offset > iter->pos);\n\nThus, check for negative value during loop_set_status_from_info().\n\nBug report: https://syzkaller.appspot.com/bug?id=c620fe14aac810396d3c3edc9ad73848bf69a29e"
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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/block/loop.c"
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],
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"versions": [
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{
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"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
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"lessThan": "18e28817cb516b39de6281f6db9b0618b2cc7b42",
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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": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
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"lessThan": "adf0112d9b8acb03485624220b4934f69bf13369",
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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": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
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"lessThan": "a217715338fd48f72114725aa7a40e484a781ca7",
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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": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
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"lessThan": "b40877b8562c5720d0a7fce20729f56b75a3dede",
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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": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
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"lessThan": "6858933131d0dadac071c4d33335a9ea4b8e76cf",
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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": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
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"lessThan": "0455bef69028c65065f16bb04635591b2374249b",
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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": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
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"lessThan": "9be7fa7ead18a48940df7b59d993bbc8b9055c15",
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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": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
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"lessThan": "c490a0b5a4f36da3918181a8acdc6991d967c5f3",
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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/block/loop.c"
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],
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"versions": [
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{
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"version": "2.6.12",
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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": "2.6.12",
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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": "4.9.327",
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"lessThanOrEqual": "4.9.*",
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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": "4.14.292",
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"lessThanOrEqual": "4.14.*",
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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": "4.19.312",
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"lessThanOrEqual": "4.19.*",
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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": "5.4.274",
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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": "5.10.140",
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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": "5.15.64",
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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": "5.19.6",
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"lessThanOrEqual": "5.19.*",
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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": "6.0",
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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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{
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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": "2.6.12",
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"versionEndExcluding": "4.9.327"
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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": "2.6.12",
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"versionEndExcluding": "4.14.292"
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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": "2.6.12",
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"versionEndExcluding": "4.19.312"
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "2.6.12",
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"versionEndExcluding": "5.4.274"
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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": "2.6.12",
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"versionEndExcluding": "5.10.140"
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},
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "5.15.64"
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},
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"versionStartIncluding": "2.6.12",
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"versionEndExcluding": "5.19.6"
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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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}
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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/18e28817cb516b39de6281f6db9b0618b2cc7b42"
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},
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{
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"url": "https://git.kernel.org/stable/c/adf0112d9b8acb03485624220b4934f69bf13369"
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},
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{
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"url": "https://git.kernel.org/stable/c/a217715338fd48f72114725aa7a40e484a781ca7"
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},
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{
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"url": "https://git.kernel.org/stable/c/b40877b8562c5720d0a7fce20729f56b75a3dede"
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},
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{
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"url": "https://git.kernel.org/stable/c/6858933131d0dadac071c4d33335a9ea4b8e76cf"
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},
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{
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"url": "https://git.kernel.org/stable/c/0455bef69028c65065f16bb04635591b2374249b"
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},
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{
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"url": "https://git.kernel.org/stable/c/9be7fa7ead18a48940df7b59d993bbc8b9055c15"
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},
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{
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"url": "https://git.kernel.org/stable/c/c490a0b5a4f36da3918181a8acdc6991d967c5f3"
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}
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],
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"title": "loop: Check for overflow while configuring loop",
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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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"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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"id": "CVE-2022-49993",
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"role": "CISA Coordinator",
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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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"version": "2.0.3",
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"timestamp": "2026-11-05T19:52:33.900934Z"
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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": "2026-11-05T20:00:13.340Z"
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}
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}
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]
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}
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} |