{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2022-48714",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-06-20T11:09:39.050Z",
        "datePublished": "2024-06-20T11:13:08.007Z",
        "dateUpdated": "2024-09-11T17:34:50.097Z"
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                "dateUpdated": "2024-06-20T11:13:55.864Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Use VM_MAP instead of VM_ALLOC for ringbuf\n\nAfter commit 2fd3fb0be1d1 (\"kasan, vmalloc: unpoison VM_ALLOC pages\nafter mapping\"), non-VM_ALLOC mappings will be marked as accessible\nin __get_vm_area_node() when KASAN is enabled. But now the flag for\nringbuf area is VM_ALLOC, so KASAN will complain out-of-bound access\nafter vmap() returns. Because the ringbuf area is created by mapping\nallocated pages, so use VM_MAP instead.\n\nAfter the change, info in /proc/vmallocinfo also changes from\n  [start]-[end]   24576 ringbuf_map_alloc+0x171/0x290 vmalloc user\nto\n  [start]-[end]   24576 ringbuf_map_alloc+0x171/0x290 vmap user"
                }
            ],
            "affected": [
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                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "kernel/bpf/ringbuf.c"
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                        {
                            "version": "457f44363a88",
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                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
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                    ],
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                            "version": "5.8",
                            "status": "affected"
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                        {
                            "version": "0",
                            "lessThan": "5.8",
                            "status": "unaffected",
                            "versionType": "custom"
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                        {
                            "version": "5.10.99",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
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                        {
                            "version": "5.15.22",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.16.8",
                            "lessThanOrEqual": "5.16.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.17",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
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            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/6304a613a97d6dcd49b93fbad31e9f39d1e138d6"
                },
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                    "url": "https://git.kernel.org/stable/c/d578933f6226d5419af9306746efa1c693cbaf9c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b293dcc473d22a62dc6d78de2b15e4f49515db56"
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            ],
            "title": "bpf: Use VM_MAP instead of VM_ALLOC for ringbuf",
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