{
  "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-2022-49321",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-49321",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2025-02-26T02:10:46.186Z",
    "updatedAt": "2026-08-05T08:54:42.523Z",
    "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": "xprtrdma: treat all calls not a bcall when bc_serv is NULL",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nxprtrdma: treat all calls not a bcall when bc_serv is NULL\n\nWhen a rdma server returns a fault format reply, nfs v3 client may\ntreats it as a bcall when bc service is not exist.\n\nThe debug message at rpcrdma_bc_receive_call are,\n\n[56579.837169] RPC:       rpcrdma_bc_receive_call: callback XID\n00000001, length=20\n[56579.837174] RPC:       rpcrdma_bc_receive_call: 00 00 00 01 00 00 00\n00 00 00 00 00 00 00 00 00 00 00 00 04\n\nAfter that, rpcrdma_bc_receive_call will meets NULL pointer as,\n\n[  226.057890] BUG: unable to handle kernel NULL pointer dereference at\n00000000000000c8\n...\n[  226.058704] RIP: 0010:_raw_spin_lock+0xc/0x20\n...\n[  226.059732] Call Trace:\n[  226.059878]  rpcrdma_bc_receive_call+0x138/0x327 [rpcrdma]\n[  226.060011]  __ib_process_cq+0x89/0x170 [ib_core]\n[  226.060092]  ib_cq_poll_work+0x26/0x80 [ib_core]\n[  226.060257]  process_one_work+0x1a7/0x360\n[  226.060367]  ? create_worker+0x1a0/0x1a0\n[  226.060440]  worker_thread+0x30/0x390\n[  226.060500]  ? create_worker+0x1a0/0x1a0\n[  226.060574]  kthread+0x116/0x130\n[  226.060661]  ? kthread_flush_work_fn+0x10/0x10\n[  226.060724]  ret_from_fork+0x35/0x40\n...",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "63cae47005af51c937f4cdcc4835f29075add2ba",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8e3943c50764dc7c5f25911970c3ff062ec1f18c"
            },
            {
              "version": "63cae47005af51c937f4cdcc4835f29075add2ba",
              "status": "affected",
              "versionType": "git",
              "lessThan": "998d35a2aff4b81a1c784f3aa45cd3afff6814c1"
            },
            {
              "version": "63cae47005af51c937f4cdcc4835f29075add2ba",
              "status": "affected",
              "versionType": "git",
              "lessThan": "da99331fa62131a38a0947a8204c5208de7b0454"
            },
            {
              "version": "63cae47005af51c937f4cdcc4835f29075add2ba",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8dbae5affbdbf524b48000f9d357925bb001e5f4"
            },
            {
              "version": "63cae47005af51c937f4cdcc4835f29075add2ba",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a3fc8051ee061e31db13e2fe011e8e0b71a7f815"
            },
            {
              "version": "63cae47005af51c937f4cdcc4835f29075add2ba",
              "status": "affected",
              "versionType": "git",
              "lessThan": "90c4f73104016748533a5707ecd15930fbeff402"
            },
            {
              "version": "63cae47005af51c937f4cdcc4835f29075add2ba",
              "status": "affected",
              "versionType": "git",
              "lessThan": "91784f3d77b73885e1b2e6b59d3cbf0de0a1126a"
            },
            {
              "version": "63cae47005af51c937f4cdcc4835f29075add2ba",
              "status": "affected",
              "versionType": "git",
              "lessThan": "11270e7ca268e8d61b5d9e5c3a54bd1550642c9c"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.4",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.4"
            },
            {
              "version": "4.14.283",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.14.*"
            },
            {
              "version": "4.19.247",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.198",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.122",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.47",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "5.17.15",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.17.*"
            },
            {
              "version": "5.18.4",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.18.*"
            },
            {
              "version": "5.19",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}