{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2022-49891",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-49891",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2025-05-01T14:10:35.115Z",
    "updatedAt": "2026-05-11T19:08:44.405Z",
    "importedAt": "2026-10-24T01:56:49.724Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "tracing: kprobe: Fix memory leak in test_gen_kprobe/kretprobe_cmd()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing: kprobe: Fix memory leak in test_gen_kprobe/kretprobe_cmd()\n\ntest_gen_kprobe_cmd() only free buf in fail path, hence buf will leak\nwhen there is no failure. Move kfree(buf) from fail path to common path\nto prevent the memleak. The same reason and solution in\ntest_gen_kretprobe_cmd().\n\nunreferenced object 0xffff888143b14000 (size 2048):\n  comm \"insmod\", pid 52490, jiffies 4301890980 (age 40.553s)\n  hex dump (first 32 bytes):\n    70 3a 6b 70 72 6f 62 65 73 2f 67 65 6e 5f 6b 70  p:kprobes/gen_kp\n    72 6f 62 65 5f 74 65 73 74 20 64 6f 5f 73 79 73  robe_test do_sys\n  backtrace:\n    [<000000006d7b836b>] kmalloc_trace+0x27/0xa0\n    [<0000000009528b5b>] 0xffffffffa059006f\n    [<000000008408b580>] do_one_initcall+0x87/0x2a0\n    [<00000000c4980a7e>] do_init_module+0xdf/0x320\n    [<00000000d775aad0>] load_module+0x3006/0x3390\n    [<00000000e9a74b80>] __do_sys_finit_module+0x113/0x1b0\n    [<000000003726480d>] do_syscall_64+0x35/0x80\n    [<000000003441e93b>] entry_SYSCALL_64_after_hwframe+0x46/0xb0",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "64836248dda20c8e7427b493f7e06d9bf8f58850",
              "status": "affected",
              "versionType": "git",
              "lessThan": "bef08acbe560a926b4cee9cc46404cc98ae5703b"
            },
            {
              "version": "64836248dda20c8e7427b493f7e06d9bf8f58850",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d1b6a8e3414aeaa0985139180c145d2d0fbd2a49"
            },
            {
              "version": "64836248dda20c8e7427b493f7e06d9bf8f58850",
              "status": "affected",
              "versionType": "git",
              "lessThan": "71aeb8d01a8c7ab5cf7da3f81b35206f56ce6bca"
            },
            {
              "version": "64836248dda20c8e7427b493f7e06d9bf8f58850",
              "status": "affected",
              "versionType": "git",
              "lessThan": "66f0919c953ef7b55e5ab94389a013da2ce80a2c"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.6",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.6"
            },
            {
              "version": "5.10.154",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.78",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.0.8",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.0.*"
            },
            {
              "version": "6.1",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}