{
  "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-2023-54058",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-54058",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2025-12-24T12:23:05.899Z",
    "updatedAt": "2026-05-23T15:32:13.461Z",
    "importedAt": "2026-10-24T01:57:03.413Z",
    "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": "firmware: arm_ffa: Check if ffa_driver remove is present before executing",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_ffa: Check if ffa_driver remove is present before executing\n\nCurrently ffa_drv->remove() is called unconditionally from\nffa_device_remove(). Since the driver registration doesn't check for it\nand allows it to be registered without .remove callback, we need to check\nfor the presence of it before executing it from ffa_device_remove() to\nabove a NULL pointer dereference like the one below:\n\n  | Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000\n  | Mem abort info:\n  |   ESR = 0x0000000086000004\n  |   EC = 0x21: IABT (current EL), IL = 32 bits\n  |   SET = 0, FnV = 0\n  |   EA = 0, S1PTW = 0\n  |   FSC = 0x04: level 0 translation fault\n  | user pgtable: 4k pages, 48-bit VAs, pgdp=0000000881cc8000\n  | [0000000000000000] pgd=0000000000000000, p4d=0000000000000000\n  | Internal error: Oops: 0000000086000004 [#1] PREEMPT SMP\n  | CPU: 3 PID: 130 Comm: rmmod Not tainted 6.3.0-rc7 #6\n  | Hardware name: FVP Base RevC (DT)\n  | pstate: 63402809 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=-c)\n  | pc : 0x0\n  | lr : ffa_device_remove+0x20/0x2c\n  | Call trace:\n  |  0x0\n  |  device_release_driver_internal+0x16c/0x260\n  |  driver_detach+0x90/0xd0\n  |  bus_remove_driver+0xdc/0x11c\n  |  driver_unregister+0x30/0x54\n  |  ffa_driver_unregister+0x14/0x20\n  |  cleanup_module+0x18/0xeec\n  |  __arm64_sys_delete_module+0x234/0x378\n  |  invoke_syscall+0x40/0x108\n  |  el0_svc_common+0xb4/0xf0\n  |  do_el0_svc+0x30/0xa4\n  |  el0_svc+0x2c/0x7c\n  |  el0t_64_sync_handler+0x84/0xf0\n  |  el0t_64_sync+0x190/0x194",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "244f5d597e1ea519c2085fbd9819458688775e42",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6a26c62625c59b8dd7f52c518cb4f60a63470a0e"
            },
            {
              "version": "244f5d597e1ea519c2085fbd9819458688775e42",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ad73dc7263ea90302d6c7eeb7e9f7cbcfa0b0617"
            },
            {
              "version": "244f5d597e1ea519c2085fbd9819458688775e42",
              "status": "affected",
              "versionType": "git",
              "lessThan": "48399c297c46b4c8e77ebcf071bb586a42d0ca4e"
            },
            {
              "version": "244f5d597e1ea519c2085fbd9819458688775e42",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b71b55248a580e9c9befc4ae060539f1f8e477da"
            },
            {
              "version": "06560ba731e2775441c6dc9f0bf39f9f3606fbb7",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "5.14.14",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.15"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.15",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.15"
            },
            {
              "version": "5.15.114",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.31",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.3.5",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.3.*"
            },
            {
              "version": "6.4",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}