{
  "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-2024-43874",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2024-43874",
    "idYear": 2024,
    "status": "PUBLISHED",
    "publishedAt": "2024-08-21T00:06:26.153Z",
    "updatedAt": "2026-05-11T20:31:29.822Z",
    "importedAt": "2026-10-24T01:57:16.009Z",
    "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": "crypto: ccp - Fix null pointer dereference in __sev_snp_shutdown_locked",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: ccp - Fix null pointer dereference in __sev_snp_shutdown_locked\n\nFix a null pointer dereference induced by DEBUG_TEST_DRIVER_REMOVE.\nReturn from __sev_snp_shutdown_locked() if the psp_device or the\nsev_device structs are not initialized. Without the fix, the driver will\nproduce the following splat:\n\n   ccp 0000:55:00.5: enabling device (0000 -> 0002)\n   ccp 0000:55:00.5: sev enabled\n   ccp 0000:55:00.5: psp enabled\n   BUG: kernel NULL pointer dereference, address: 00000000000000f0\n   #PF: supervisor read access in kernel mode\n   #PF: error_code(0x0000) - not-present page\n   PGD 0 P4D 0\n   Oops: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC NOPTI\n   CPU: 262 PID: 1 Comm: swapper/0 Not tainted 6.9.0-rc1+ #29\n   RIP: 0010:__sev_snp_shutdown_locked+0x2e/0x150\n   Code: 00 55 48 89 e5 41 57 41 56 41 54 53 48 83 ec 10 41 89 f7 49 89 fe 65 48 8b 04 25 28 00 00 00 48 89 45 d8 48 8b 05 6a 5a 7f 06 <4c> 8b a0 f0 00 00 00 41 0f b6 9c 24 a2 00 00 00 48 83 fb 02 0f 83\n   RSP: 0018:ffffb2ea4014b7b8 EFLAGS: 00010286\n   RAX: 0000000000000000 RBX: ffff9e4acd2e0a28 RCX: 0000000000000000\n   RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffb2ea4014b808\n   RBP: ffffb2ea4014b7e8 R08: 0000000000000106 R09: 000000000003d9c0\n   R10: 0000000000000001 R11: ffffffffa39ff070 R12: ffff9e49d40590c8\n   R13: 0000000000000000 R14: ffffb2ea4014b808 R15: 0000000000000000\n   FS:  0000000000000000(0000) GS:ffff9e58b1e00000(0000) knlGS:0000000000000000\n   CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n   CR2: 00000000000000f0 CR3: 0000000418a3e001 CR4: 0000000000770ef0\n   PKRU: 55555554\n   Call Trace:\n    <TASK>\n    ? __die_body+0x6f/0xb0\n    ? __die+0xcc/0xf0\n    ? page_fault_oops+0x330/0x3a0\n    ? save_trace+0x2a5/0x360\n    ? do_user_addr_fault+0x583/0x630\n    ? exc_page_fault+0x81/0x120\n    ? asm_exc_page_fault+0x2b/0x30\n    ? __sev_snp_shutdown_locked+0x2e/0x150\n    __sev_firmware_shutdown+0x349/0x5b0\n    ? pm_runtime_barrier+0x66/0xe0\n    sev_dev_destroy+0x34/0xb0\n    psp_dev_destroy+0x27/0x60\n    sp_destroy+0x39/0x90\n    sp_pci_remove+0x22/0x60\n    pci_device_remove+0x4e/0x110\n    really_probe+0x271/0x4e0\n    __driver_probe_device+0x8f/0x160\n    driver_probe_device+0x24/0x120\n    __driver_attach+0xc7/0x280\n    ? driver_attach+0x30/0x30\n    bus_for_each_dev+0x10d/0x130\n    driver_attach+0x22/0x30\n    bus_add_driver+0x171/0x2b0\n    ? unaccepted_memory_init_kdump+0x20/0x20\n    driver_register+0x67/0x100\n    __pci_register_driver+0x83/0x90\n    sp_pci_init+0x22/0x30\n    sp_mod_init+0x13/0x30\n    do_one_initcall+0xb8/0x290\n    ? sched_clock_noinstr+0xd/0x10\n    ? local_clock_noinstr+0x3e/0x100\n    ? stack_depot_save_flags+0x21e/0x6a0\n    ? local_clock+0x1c/0x60\n    ? stack_depot_save_flags+0x21e/0x6a0\n    ? sched_clock_noinstr+0xd/0x10\n    ? local_clock_noinstr+0x3e/0x100\n    ? __lock_acquire+0xd90/0xe30\n    ? sched_clock_noinstr+0xd/0x10\n    ? local_clock_noinstr+0x3e/0x100\n    ? __create_object+0x66/0x100\n    ? local_clock+0x1c/0x60\n    ? __create_object+0x66/0x100\n    ? parameq+0x1b/0x90\n    ? parse_one+0x6d/0x1d0\n    ? parse_args+0xd7/0x1f0\n    ? do_initcall_level+0x180/0x180\n    do_initcall_level+0xb0/0x180\n    do_initcalls+0x60/0xa0\n    ? kernel_init+0x1f/0x1d0\n    do_basic_setup+0x41/0x50\n    kernel_init_freeable+0x1ac/0x230\n    ? rest_init+0x1f0/0x1f0\n    kernel_init+0x1f/0x1d0\n    ? rest_init+0x1f0/0x1f0\n    ret_from_fork+0x3d/0x50\n    ? rest_init+0x1f0/0x1f0\n    ret_from_fork_asm+0x11/0x20\n    </TASK>\n   Modules linked in:\n   CR2: 00000000000000f0\n   ---[ end trace 0000000000000000 ]---\n   RIP: 0010:__sev_snp_shutdown_locked+0x2e/0x150\n   Code: 00 55 48 89 e5 41 57 41 56 41 54 53 48 83 ec 10 41 89 f7 49 89 fe 65 48 8b 04 25 28 00 00 00 48 89 45 d8 48 8b 05 6a 5a 7f 06 <4c> 8b a0 f0 00 00 00 41 0f b6 9c 24 a2 00 00 00 48 83 fb 02 0f 83\n   RSP: 0018:ffffb2ea4014b7b8 EFLAGS: 00010286\n   RAX: 0000000000000000 RBX: ffff9e4acd2e0a28 RCX: 0000000000000000\n   RDX: 0000000\n---truncated---",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "1ca5614b84eed5904f65f143e0e7aaab0ac4c6b2",
              "status": "affected",
              "versionType": "git",
              "lessThan": "bbf2c94503f6a421ed9b79e300d8085810da765d"
            },
            {
              "version": "1ca5614b84eed5904f65f143e0e7aaab0ac4c6b2",
              "status": "affected",
              "versionType": "git",
              "lessThan": "468e3295774d0edce15f4ae475913b5076dd4f40"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.9",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.9"
            },
            {
              "version": "6.10.3",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.10.*"
            },
            {
              "version": "6.11",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}