{
  "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-2022-50543",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-50543",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2025-10-07T15:21:07.939Z",
    "updatedAt": "2026-08-05T08:59:06.203Z",
    "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": "RDMA/rxe: Fix mr->map double free",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/rxe: Fix mr->map double free\n\nrxe_mr_cleanup() which tries to free mr->map again will be called when\nrxe_mr_init_user() fails:\n\n   CPU: 0 PID: 4917 Comm: rdma_flush_serv Kdump: loaded Not tainted 6.1.0-rc1-roce-flush+ #25\n   Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014\n   Call Trace:\n    <TASK>\n    dump_stack_lvl+0x45/0x5d\n    panic+0x19e/0x349\n    end_report.part.0+0x54/0x7c\n    kasan_report.cold+0xa/0xf\n    rxe_mr_cleanup+0x9d/0xf0 [rdma_rxe]\n    __rxe_cleanup+0x10a/0x1e0 [rdma_rxe]\n    rxe_reg_user_mr+0xb7/0xd0 [rdma_rxe]\n    ib_uverbs_reg_mr+0x26a/0x480 [ib_uverbs]\n    ib_uverbs_handler_UVERBS_METHOD_INVOKE_WRITE+0x1a2/0x250 [ib_uverbs]\n    ib_uverbs_cmd_verbs+0x1397/0x15a0 [ib_uverbs]\n\nThis issue was firstly exposed since commit b18c7da63fcb (\"RDMA/rxe: Fix\nmemory leak in error path code\") and then we fixed it in commit\n8ff5f5d9d8cf (\"RDMA/rxe: Prevent double freeing rxe_map_set()\") but this\nfix was reverted together at last by commit 1e75550648da (Revert\n\"RDMA/rxe: Create duplicate mapping tables for FMRs\")\n\nSimply let rxe_mr_cleanup() always handle freeing the mr->map once it is\nsuccessfully allocated.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "1e75550648da1fa1cd1969e7597355de8fe8caf6",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6ce577f09013206e36e674cd27da3707b2278268"
            },
            {
              "version": "1e75550648da1fa1cd1969e7597355de8fe8caf6",
              "status": "affected",
              "versionType": "git",
              "lessThan": "06f73568f553b5be6ba7f6fe274d333ea29fc46d"
            },
            {
              "version": "1e75550648da1fa1cd1969e7597355de8fe8caf6",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7d984dac8f6bf4ebd3398af82b357e1d181ecaac"
            },
            {
              "version": "e004a35e8148ad9fc438b0479884641acf382896",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "5.19.4",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.20"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.0",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.0"
            },
            {
              "version": "6.0.16",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.0.*"
            },
            {
              "version": "6.1.2",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.2",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}