{
  "cveId": "CVE-2022-50765",
  "url": "https://patchblox.com/security/cve/CVE-2022-50765",
  "summary": "CVE-2022-50765 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-50765, released December 24, 2025. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  RISC-V: kexec: Fix memory leak of elf header buf...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  RISC-V: kexec: Fix memory leak of elf header buffer  This is reported by kmemleak detector:  unreferenced object 0xff2000000403d000 (size 4096):   comm \u0022kexec\u0022, pid 146, jiffies 4294900633 (age 64.792s)   hex dump (first 32 bytes):     7f 45 4c 46 02 01 01 00 00 00 00 00 00 00 00 00  .ELF............     04 00 f3 00 01 00 00 00 00 00 00 00 00 00 00 00  ................   backtrace:     [\u003C00000000566ca97c\u003E] kmemleak_vmalloc\u002B0x3c/0xbe     [\u003C00000000979283d8\u003E] __vmalloc_node_range\u002B0x3ac/0x560     [\u003C00000000b4b3712a\u003E] __vmalloc_node\u002B0x56/0x62     [\u003C00000000854f75e2\u003E] vzalloc\u002B0x2c/0x34     [\u003C00000000e9a00db9\u003E] crash_prepare_elf64_headers\u002B0x80/0x30c     [\u003C0000000067e8bf48\u003E] elf_kexec_load\u002B0x3e8/0x4ec     [\u003C0000000036548e09\u003E] kexec_image_load_default\u002B0x40/0x4c     [\u003C0000000079fbe1b4\u003E] sys_kexec_file_load\u002B0x1c4/0x322     [\u003C0000000040c62c03\u003E] ret_from_syscall\u002B0x0/0x2  In elf_kexec_load(), a buffer is allocated via vzalloc() to store elf headers.  While it\u0027s not freed back to system when kdump kernel is reloaded or unloaded, or when image-\u003Eelf_header is successfully set and then fails to load kdump kernel for some reason. Fix it by freeing the buffer in arch_kimage_file_post_load_cleanup().",
  "published": "2025-12-24T13:16:03Z",
  "severity": "",
  "epss": 0.00235,
  "epssPercentile": 0.14553,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.1.4-1",
      "fix": "DEBIAN-CVE-2022-50765",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-50765",
      "released": "2025-12-24T13:16:03Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.1.4-1",
      "fix": "DEBIAN-CVE-2022-50765",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-50765",
      "released": "2025-12-24T13:16:03Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.1.4-1",
      "fix": "DEBIAN-CVE-2022-50765",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-50765",
      "released": "2025-12-24T13:16:03Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}