{
  "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-2022-49928",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-49928",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2025-05-01T14:11:06.068Z",
    "updatedAt": "2026-08-05T08:56:43.886Z",
    "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": "SUNRPC: Fix null-ptr-deref when xps sysfs alloc failed",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nSUNRPC: Fix null-ptr-deref when xps sysfs alloc failed\n\nThere is a null-ptr-deref when xps sysfs alloc failed:\n  BUG: KASAN: null-ptr-deref in sysfs_do_create_link_sd+0x40/0xd0\n  Read of size 8 at addr 0000000000000030 by task gssproxy/457\n\n  CPU: 5 PID: 457 Comm: gssproxy Not tainted 6.0.0-09040-g02357b27ee03 #9\n  Call Trace:\n   <TASK>\n   dump_stack_lvl+0x34/0x44\n   kasan_report+0xa3/0x120\n   sysfs_do_create_link_sd+0x40/0xd0\n   rpc_sysfs_client_setup+0x161/0x1b0\n   rpc_new_client+0x3fc/0x6e0\n   rpc_create_xprt+0x71/0x220\n   rpc_create+0x1d4/0x350\n   gssp_rpc_create+0xc3/0x160\n   set_gssp_clnt+0xbc/0x140\n   write_gssp+0x116/0x1a0\n   proc_reg_write+0xd6/0x130\n   vfs_write+0x177/0x690\n   ksys_write+0xb9/0x150\n   do_syscall_64+0x35/0x80\n   entry_SYSCALL_64_after_hwframe+0x46/0xb0\n\nWhen the xprt_switch sysfs alloc failed, should not add xprt and\nswitch sysfs to it, otherwise, maybe null-ptr-deref; also initialize\nthe 'xps_sysfs' to NULL to avoid oops when destroy it.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "baea99445dd4675a834e8a5987d2f368adb62e6c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d59722d088a9d86ce6d9d39979e5d1d669d249f7"
            },
            {
              "version": "baea99445dd4675a834e8a5987d2f368adb62e6c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7b189b0aa8dab14b49c31c65af8a982e96e25b62"
            },
            {
              "version": "baea99445dd4675a834e8a5987d2f368adb62e6c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "cbdeaee94a415800c65a8c3fa04d9664a8b8fb3a"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.14",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.14"
            },
            {
              "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": "*"
            }
          ]
        }
      ]
    }
  }
}