205 lines
10 KiB
JSON
205 lines
10 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-2021-47080",
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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": "2024-02-29T22:33:44.298Z",
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"datePublished": "2024-03-01T21:15:15.942Z",
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"dateUpdated": "2026-05-11T13:47:41.858Z"
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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": "2026-05-11T13:47:41.858Z"
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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\nRDMA/core: Prevent divide-by-zero error triggered by the user\n\nThe user_entry_size is supplied by the user and later used as a\ndenominator to calculate number of entries. The zero supplied by the user\nwill trigger the following divide-by-zero error:\n\n divide error: 0000 [#1] SMP KASAN PTI\n CPU: 4 PID: 497 Comm: c_repro Not tainted 5.13.0-rc1+ #281\n Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014\n RIP: 0010:ib_uverbs_handler_UVERBS_METHOD_QUERY_GID_TABLE+0x1b1/0x510\n Code: 87 59 03 00 00 e8 9f ab 1e ff 48 8d bd a8 00 00 00 e8 d3 70 41 ff 44 0f b7 b5 a8 00 00 00 e8 86 ab 1e ff 31 d2 4c 89 f0 31 ff <49> f7 f5 48 89 d6 48 89 54 24 10 48 89 04 24 e8 1b ad 1e ff 48 8b\n RSP: 0018:ffff88810416f828 EFLAGS: 00010246\n RAX: 0000000000000008 RBX: 1ffff1102082df09 RCX: ffffffff82183f3d\n RDX: 0000000000000000 RSI: ffff888105f2da00 RDI: 0000000000000000\n RBP: ffff88810416fa98 R08: 0000000000000001 R09: ffffed102082df5f\n R10: ffff88810416faf7 R11: ffffed102082df5e R12: 0000000000000000\n R13: 0000000000000000 R14: 0000000000000008 R15: ffff88810416faf0\n FS: 00007f5715efa740(0000) GS:ffff88811a700000(0000) knlGS:0000000000000000\n CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 0000000020000840 CR3: 000000010c2e0001 CR4: 0000000000370ea0\n DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\n Call Trace:\n ? ib_uverbs_handler_UVERBS_METHOD_INFO_HANDLES+0x4b0/0x4b0\n ib_uverbs_cmd_verbs+0x1546/0x1940\n ib_uverbs_ioctl+0x186/0x240\n __x64_sys_ioctl+0x38a/0x1220\n do_syscall_64+0x3f/0x80\n entry_SYSCALL_64_after_hwframe+0x44/0xae"
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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/infiniband/core/uverbs_std_types_device.c"
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],
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"versions": [
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{
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"version": "9f85cbe50aa044a46f0a22fda323fa27b80c82da",
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"lessThan": "66ab7fcdac34b890017f04f391507ef5b2b89a13",
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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": "9f85cbe50aa044a46f0a22fda323fa27b80c82da",
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"lessThan": "e6871b4270c05f8b212e7d98aee82b357972c80a",
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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": "9f85cbe50aa044a46f0a22fda323fa27b80c82da",
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"lessThan": "54d87913f147a983589923c7f651f97de9af5be1",
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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/infiniband/core/uverbs_std_types_device.c"
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],
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"versions": [
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{
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"version": "5.10",
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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": "5.10",
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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": "5.10.40",
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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": "5.12.7",
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"lessThanOrEqual": "5.12.*",
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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": "5.13",
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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": "5.10",
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"versionEndExcluding": "5.10.40"
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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": "5.10",
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"versionEndExcluding": "5.12.7"
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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": "5.10",
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"versionEndExcluding": "5.13"
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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/66ab7fcdac34b890017f04f391507ef5b2b89a13"
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},
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{
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"url": "https://git.kernel.org/stable/c/e6871b4270c05f8b212e7d98aee82b357972c80a"
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},
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{
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"url": "https://git.kernel.org/stable/c/54d87913f147a983589923c7f651f97de9af5be1"
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}
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],
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"title": "RDMA/core: Prevent divide-by-zero error triggered by the user",
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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": "CISA ADP Vulnrichment",
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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-2021-47080",
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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": "2024-03-04T20:26:31.423427Z"
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}
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}
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}
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],
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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": "2024-06-04T17:14:01.469Z"
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}
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},
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{
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"shortName": "CVE",
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"dateUpdated": "2024-08-04T05:24:40.137Z"
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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://git.kernel.org/stable/c/66ab7fcdac34b890017f04f391507ef5b2b89a13",
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