156 lines
8.2 KiB
JSON
156 lines
8.2 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-2022-49784",
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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": "2025-05-01T14:05:17.223Z",
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"datePublished": "2025-05-01T14:09:17.695Z",
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"dateUpdated": "2026-11-05T19:49:48.402Z"
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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": "2026-05-11T19:06:42.965Z"
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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\nperf/x86/amd/uncore: Fix memory leak for events array\n\nWhen a CPU comes online, the per-CPU NB and LLC uncore contexts are\nfreed but not the events array within the context structure. This\ncauses a memory leak as identified by the kmemleak detector.\n\n [...]\n unreferenced object 0xffff8c5944b8e320 (size 32):\n comm \"swapper/0\", pid 1, jiffies 4294670387 (age 151.072s)\n hex dump (first 32 bytes):\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n backtrace:\n [<000000000759fb79>] amd_uncore_cpu_up_prepare+0xaf/0x230\n [<00000000ddc9e126>] cpuhp_invoke_callback+0x2cf/0x470\n [<0000000093e727d4>] cpuhp_issue_call+0x14d/0x170\n [<0000000045464d54>] __cpuhp_setup_state_cpuslocked+0x11e/0x330\n [<0000000069f67cbd>] __cpuhp_setup_state+0x6b/0x110\n [<0000000015365e0f>] amd_uncore_init+0x260/0x321\n [<00000000089152d2>] do_one_initcall+0x3f/0x1f0\n [<000000002d0bd18d>] kernel_init_freeable+0x1ca/0x212\n [<0000000030be8dde>] kernel_init+0x11/0x120\n [<0000000059709e59>] ret_from_fork+0x22/0x30\n unreferenced object 0xffff8c5944b8dd40 (size 64):\n comm \"swapper/0\", pid 1, jiffies 4294670387 (age 151.072s)\n hex dump (first 32 bytes):\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n backtrace:\n [<00000000306efe8b>] amd_uncore_cpu_up_prepare+0x183/0x230\n [<00000000ddc9e126>] cpuhp_invoke_callback+0x2cf/0x470\n [<0000000093e727d4>] cpuhp_issue_call+0x14d/0x170\n [<0000000045464d54>] __cpuhp_setup_state_cpuslocked+0x11e/0x330\n [<0000000069f67cbd>] __cpuhp_setup_state+0x6b/0x110\n [<0000000015365e0f>] amd_uncore_init+0x260/0x321\n [<00000000089152d2>] do_one_initcall+0x3f/0x1f0\n [<000000002d0bd18d>] kernel_init_freeable+0x1ca/0x212\n [<0000000030be8dde>] kernel_init+0x11/0x120\n [<0000000059709e59>] ret_from_fork+0x22/0x30\n [...]\n\nFix the problem by freeing the events array before freeing the uncore\ncontext."
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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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"arch/x86/events/amd/uncore.c"
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],
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"versions": [
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{
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"version": "39621c5808f5dda75d03dc4b2d4d2b13a5a1c34b",
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"lessThan": "f75be9885d49e3717de962345c4572ddab52b178",
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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": "39621c5808f5dda75d03dc4b2d4d2b13a5a1c34b",
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"lessThan": "bdfe34597139cfcecd47a2eb97fea44d77157491",
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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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"arch/x86/events/amd/uncore.c"
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],
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"versions": [
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{
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"version": "6.0",
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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": "6.0",
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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": "6.0.10",
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"lessThanOrEqual": "6.0.*",
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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",
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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": "6.0",
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"versionEndExcluding": "6.0.10"
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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": "6.0",
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"versionEndExcluding": "6.1"
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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/f75be9885d49e3717de962345c4572ddab52b178"
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},
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{
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"url": "https://git.kernel.org/stable/c/bdfe34597139cfcecd47a2eb97fea44d77157491"
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}
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],
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"title": "perf/x86/amd/uncore: Fix memory leak for events array",
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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-2022-49784",
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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": "2026-11-05T19:47:52.651595Z"
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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": "2026-11-05T19:49:48.402Z"
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}
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}
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]
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}
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} |