{
  "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-2022-50765",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-50765",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2025-12-24T13:05:56.123Z",
    "updatedAt": "2026-05-11T19:25:06.575Z",
    "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": "RISC-V: kexec: Fix memory leak of elf header buffer",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nRISC-V: kexec: Fix memory leak of elf header buffer\n\nThis is reported by kmemleak detector:\n\nunreferenced object 0xff2000000403d000 (size 4096):\n  comm \"kexec\", pid 146, jiffies 4294900633 (age 64.792s)\n  hex dump (first 32 bytes):\n    7f 45 4c 46 02 01 01 00 00 00 00 00 00 00 00 00  .ELF............\n    04 00 f3 00 01 00 00 00 00 00 00 00 00 00 00 00  ................\n  backtrace:\n    [<00000000566ca97c>] kmemleak_vmalloc+0x3c/0xbe\n    [<00000000979283d8>] __vmalloc_node_range+0x3ac/0x560\n    [<00000000b4b3712a>] __vmalloc_node+0x56/0x62\n    [<00000000854f75e2>] vzalloc+0x2c/0x34\n    [<00000000e9a00db9>] crash_prepare_elf64_headers+0x80/0x30c\n    [<0000000067e8bf48>] elf_kexec_load+0x3e8/0x4ec\n    [<0000000036548e09>] kexec_image_load_default+0x40/0x4c\n    [<0000000079fbe1b4>] sys_kexec_file_load+0x1c4/0x322\n    [<0000000040c62c03>] ret_from_syscall+0x0/0x2\n\nIn elf_kexec_load(), a buffer is allocated via vzalloc() to store elf\nheaders.  While it's not freed back to system when kdump kernel is\nreloaded or unloaded, or when image->elf_header is successfully set and\nthen fails to load kdump kernel for some reason. Fix it by freeing the\nbuffer in arch_kimage_file_post_load_cleanup().",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "8acea455fafaf2620b247de6c00774828b618a82",
              "status": "affected",
              "versionType": "git",
              "lessThan": "090bfcfc9f14d05154893c67eeaecc56e894fbae"
            },
            {
              "version": "8acea455fafaf2620b247de6c00774828b618a82",
              "status": "affected",
              "versionType": "git",
              "lessThan": "cdea2da6787583ecca43594132533a2ac8d7cd21"
            },
            {
              "version": "8acea455fafaf2620b247de6c00774828b618a82",
              "status": "affected",
              "versionType": "git",
              "lessThan": "cbc32023ddbdf4baa3d9dc513a2184a84080a5a2"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.19",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.19"
            },
            {
              "version": "6.0.18",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.0.*"
            },
            {
              "version": "6.1.4",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.2",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}