{
  "cveId": "CVE-2024-43874",
  "url": "https://patchblox.com/security/cve/CVE-2024-43874",
  "summary": "CVE-2024-43874 is fixed in 22 products on 1 platform, first by DEBIAN-CVE-2024-43874, released August 21, 2024. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  crypto: ccp - Fix null pointer dereference in __...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  crypto: ccp - Fix null pointer dereference in __sev_snp_shutdown_locked  Fix a null pointer dereference induced by DEBUG_TEST_DRIVER_REMOVE. Return from __sev_snp_shutdown_locked() if the psp_device or the sev_device structs are not initialized. Without the fix, the driver will produce the following splat:     ccp 0000:55:00.5: enabling device (0000 -\u003E 0002)    ccp 0000:55:00.5: sev enabled    ccp 0000:55:00.5: psp enabled    BUG: kernel NULL pointer dereference, address: 00000000000000f0    #PF: supervisor read access in kernel mode    #PF: error_code(0x0000) - not-present page    PGD 0 P4D 0    Oops: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC NOPTI    CPU: 262 PID: 1 Comm: swapper/0 Not tainted 6.9.0-rc1\u002B #29    RIP: 0010:__sev_snp_shutdown_locked\u002B0x2e/0x150    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 \u003C4c\u003E 8b a0 f0 00 00 00 41 0f b6 9c 24 a2 00 00 00 48 83 fb 02 0f 83    RSP: 0018:ffffb2ea4014b7b8 EFLAGS: 00010286    RAX: 0000000000000000 RBX: ffff9e4acd2e0a28 RCX: 0000000000000000    RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffb2ea4014b808    RBP: ffffb2ea4014b7e8 R08: 0000000000000106 R09: 000000000003d9c0    R10: 0000000000000001 R11: ffffffffa39ff070 R12: ffff9e49d40590c8    R13: 0000000000000000 R14: ffffb2ea4014b808 R15: 0000000000000000    FS:  0000000000000000(0000) GS:ffff9e58b1e00000(0000) knlGS:0000000000000000    CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033    CR2: 00000000000000f0 CR3: 0000000418a3e001 CR4: 0000000000770ef0    PKRU: 55555554    Call Trace:     \u003CTASK\u003E     ? __die_body\u002B0x6f/0xb0     ? __die\u002B0xcc/0xf0     ? page_fault_oops\u002B0x330/0x3a0     ? save_trace\u002B0x2a5/0x360     ? do_user_addr_fault\u002B0x583/0x630     ? exc_page_fault\u002B0x81/0x120     ? asm_exc_page_fault\u002B0x2b/0x30     ? __sev_snp_shutdown_locked\u002B0x2e/0x150     __sev_firmware_shutdown\u002B0x349/0x5b0     ? pm_runtime_barrier\u002B0x66/0xe0     sev_dev_destroy\u002B0x34/0xb0     psp_dev_destroy\u002B0x27/0x60     sp_destroy\u002B0x39/0x90     sp_pci_remove\u002B0x22/0x60     pci_device_remove\u002B0x4e/0x110     really_probe\u002B0x271/0x4e0     __driver_probe_device\u002B0x8f/0x160     driver_probe_device\u002B0x24/0x120     __driver_attach\u002B0xc7/0x280     ? driver_attach\u002B0x30/0x30     bus_for_each_dev\u002B0x10d/0x130     driver_attach\u002B0x22/0x30     bus_add_driver\u002B0x171/0x2b0     ? unaccepted_memory_init_kdump\u002B0x20/0x20     driver_register\u002B0x67/0x100     __pci_register_driver\u002B0x83/0x90     sp_pci_init\u002B0x22/0x30     sp_mod_init\u002B0x13/0x30     do_one_initcall\u002B0xb8/0x290     ? sched_clock_noinstr\u002B0xd/0x10     ? local_clock_noinstr\u002B0x3e/0x100     ? stack_depot_save_flags\u002B0x21e/0x6a0     ? local_clock\u002B0x1c/0x60     ? stack_depot_save_flags\u002B0x21e/0x6a0     ? sched_clock_noinstr\u002B0xd/0x10     ? local_clock_noinstr\u002B0x3e/0x100     ? __lock_acquire\u002B0xd90/0xe30     ? sched_clock_noinstr\u002B0xd/0x10     ? local_clock_noinstr\u002B0x3e/0x100     ? __create_object\u002B0x66/0x100     ? local_clock\u002B0x1c/0x60     ? __create_object\u002B0x66/0x100     ? parameq\u002B0x1b/0x90     ? parse_one\u002B0x6d/0x1d0     ? parse_args\u002B0xd7/0x1f0     ? do_initcall_level\u002B0x180/0x180     do_initcall_level\u002B0xb0/0x180     do_initcalls\u002B0x60/0xa0     ? kernel_init\u002B0x1f/0x1d0     do_basic_setup\u002B0x41/0x50     kernel_init_freeable\u002B0x1ac/0x230     ? rest_init\u002B0x1f0/0x1f0     kernel_init\u002B0x1f/0x1d0     ? rest_init\u002B0x1f0/0x1f0     ret_from_fork\u002B0x3d/0x50     ? rest_init\u002B0x1f0/0x1f0     ret_from_fork_asm\u002B0x11/0x20     \u003C/TASK\u003E    Modules linked in:    CR2: 00000000000000f0    ---[ end trace 0000000000000000 ]---    RIP: 0010:__sev_snp_shutdown_locked\u002B0x2e/0x150    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 \u003C4c\u003E 8b a0 f0 00 00 00 41 0f b6 9c 24 a2 00 00 00 48 83 fb 02 0f 83    RSP: 0018:ffffb2ea4014b7b8 EFLAGS: 00010286    RAX: 0000000000000000 RBX: ffff9e4acd2e0a28 RCX: 0000000000000000    RDX: 0000000 ---truncated---",
  "published": "2024-08-21T01:15:11Z",
  "severity": "medium",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.0018,
  "epssPercentile": 0.07617,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "dtb-aarch64",
      "release": "opensuse-leap 15.6",
      "fixedVersion": "6.4.0-150600.23.22.1",
      "fix": "SUSE-SU-2024:3383-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3383-1",
      "released": "2024-09-23T08:29:55Z"
    },
    {
      "platform": "linux",
      "product": "kernel-64kb",
      "release": "opensuse-leap 15.6",
      "fixedVersion": "6.4.0-150600.23.22.1",
      "fix": "SUSE-SU-2024:3383-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3383-1",
      "released": "2024-09-23T08:29:55Z"
    },
    {
      "platform": "linux",
      "product": "kernel-64kb",
      "release": "sles 15.6",
      "fixedVersion": "6.4.0-150600.23.22.1",
      "fix": "SUSE-SU-2024:3383-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3383-1",
      "released": "2024-09-23T08:29:55Z"
    },
    {
      "platform": "linux",
      "product": "kernel-azure",
      "release": "opensuse-leap 15.6",
      "fixedVersion": "6.4.0-150600.8.11.1",
      "fix": "SUSE-SU-2024:3194-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3194-1",
      "released": "2024-09-10T09:06:25Z"
    },
    {
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      "product": "kernel-azure",
      "release": "sles 15.6",
      "fixedVersion": "6.4.0-150600.8.11.1",
      "fix": "SUSE-SU-2024:3194-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3194-1",
      "released": "2024-09-10T09:06:25Z"
    },
    {
      "platform": "linux",
      "product": "kernel-debug",
      "release": "opensuse-leap 15.6",
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      "fix": "SUSE-SU-2024:3383-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3383-1",
      "released": "2024-09-23T08:29:55Z"
    },
    {
      "platform": "linux",
      "product": "kernel-default",
      "release": "opensuse-leap 15.6",
      "fixedVersion": "6.4.0-150600.23.22.1",
      "fix": "SUSE-SU-2024:3383-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3383-1",
      "released": "2024-09-23T08:29:55Z"
    },
    {
      "platform": "linux",
      "product": "kernel-default",
      "release": "sles 15.6",
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      "fix": "SUSE-SU-2024:3383-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3383-1",
      "released": "2024-09-23T08:29:55Z"
    },
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      "release": "opensuse-leap 15.6",
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      "fix": "SUSE-SU-2024:3383-1",
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      "released": "2024-09-23T08:29:55Z"
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    {
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      "fix": "SUSE-SU-2024:3383-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3383-1",
      "released": "2024-09-23T08:29:55Z"
    },
    {
      "platform": "linux",
      "product": "kernel-docs",
      "release": "opensuse-leap 15.6",
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      "fix": "SUSE-SU-2024:3383-1",
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    },
    {
      "platform": "linux",
      "product": "kernel-docs",
      "release": "sles 15.6",
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      "fix": "SUSE-SU-2024:3383-1",
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      "released": "2024-09-23T08:29:55Z"
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    {
      "platform": "linux",
      "product": "kernel-kvmsmall",
      "release": "opensuse-leap 15.6",
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      "fix": "SUSE-SU-2024:3383-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3383-1",
      "released": "2024-09-23T08:29:55Z"
    },
    {
      "platform": "linux",
      "product": "kernel-livepatch-SLE15-SP6-RT_Update_2",
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      "fix": "SUSE-SU-2024:3195-1",
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      "released": "2024-09-10T14:10:24Z"
    },
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      "product": "kernel-livepatch-SLE15-SP6_Update_4",
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      "fix": "SUSE-SU-2024:3383-1",
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    },
    {
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      "release": "opensuse-leap 15.6",
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      "fix": "SUSE-SU-2024:3383-1",
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      "release": "sles 15.6",
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      "fix": "SUSE-SU-2024:3383-1",
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      "fix": "SUSE-SU-2024:3383-1",
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      "released": "2024-09-23T08:29:55Z"
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      "fix": "SUSE-SU-2024:3195-1",
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      "fix": "SUSE-SU-2024:3195-1",
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      "released": "2024-09-10T14:10:24Z"
    },
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      "release": "opensuse-leap 15.6",
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      "fix": "SUSE-SU-2024:3383-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3383-1",
      "released": "2024-09-23T08:29:55Z"
    },
    {
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      "release": "sles 15.6",
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      "fix": "SUSE-SU-2024:3383-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3383-1",
      "released": "2024-09-23T08:29:55Z"
    },
    {
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      "product": "kernel-source-azure",
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      "fixedVersion": "6.4.0-150600.8.11.1",
      "fix": "SUSE-SU-2024:3194-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3194-1",
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    {
      "platform": "linux",
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      "release": "sles 15.6",
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      "fix": "SUSE-SU-2024:3194-1",
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      "released": "2024-09-10T09:06:25Z"
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    {
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      "fix": "SUSE-SU-2024:3195-1",
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      "released": "2024-09-10T14:10:24Z"
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    {
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      "release": "opensuse-leap 15.6",
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      "fix": "SUSE-SU-2024:3383-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3383-1",
      "released": "2024-09-23T08:29:55Z"
    },
    {
      "platform": "linux",
      "product": "kernel-syms",
      "release": "sles 15.6",
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      "fix": "SUSE-SU-2024:3383-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3383-1",
      "released": "2024-09-23T08:29:55Z"
    },
    {
      "platform": "linux",
      "product": "kernel-syms-azure",
      "release": "opensuse-leap 15.6",
      "fixedVersion": "6.4.0-150600.8.11.1",
      "fix": "SUSE-SU-2024:3194-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3194-1",
      "released": "2024-09-10T09:06:25Z"
    },
    {
      "platform": "linux",
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      "release": "sles 15.6",
      "fixedVersion": "6.4.0-150600.8.11.1",
      "fix": "SUSE-SU-2024:3194-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3194-1",
      "released": "2024-09-10T09:06:25Z"
    },
    {
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      "product": "kernel-syms-rt",
      "release": "opensuse-leap 15.6",
      "fixedVersion": "6.4.0-150600.10.8.1",
      "fix": "SUSE-SU-2024:3195-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3195-1",
      "released": "2024-09-10T14:10:24Z"
    },
    {
      "platform": "linux",
      "product": "kernel-zfcpdump",
      "release": "opensuse-leap 15.6",
      "fixedVersion": "6.4.0-150600.23.22.1",
      "fix": "SUSE-SU-2024:3383-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3383-1",
      "released": "2024-09-23T08:29:55Z"
    },
    {
      "platform": "linux",
      "product": "kernel-zfcpdump",
      "release": "sles 15.6",
      "fixedVersion": "6.4.0-150600.23.22.1",
      "fix": "SUSE-SU-2024:3383-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3383-1",
      "released": "2024-09-23T08:29:55Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.10.3-1",
      "fix": "DEBIAN-CVE-2024-43874",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2024-43874",
      "released": "2024-08-21T01:15:11Z"
    },
    {
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      "product": "linux",
      "release": "Debian 14",
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      "fix": "DEBIAN-CVE-2024-43874",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2024-43874",
      "released": "2024-08-21T01:15:11Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}