CVE-2024-26695 (GCVE-0-2024-26695)

Vulnerability from cvelistv5 – Published: 2024-04-03 14:54 – Updated: 2026-05-23 15:36
VLAI
Title
crypto: ccp - Fix null pointer dereference in __sev_platform_shutdown_locked
Summary
In the Linux kernel, the following vulnerability has been resolved: crypto: ccp - Fix null pointer dereference in __sev_platform_shutdown_locked The SEV platform device can be shutdown with a null psp_master, e.g., using DEBUG_TEST_DRIVER_REMOVE. Found using KASAN: [ 137.148210] ccp 0000:23:00.1: enabling device (0000 -> 0002) [ 137.162647] ccp 0000:23:00.1: no command queues available [ 137.170598] ccp 0000:23:00.1: sev enabled [ 137.174645] ccp 0000:23:00.1: psp enabled [ 137.178890] general protection fault, probably for non-canonical address 0xdffffc000000001e: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC KASAN NOPTI [ 137.182693] KASAN: null-ptr-deref in range [0x00000000000000f0-0x00000000000000f7] [ 137.182693] CPU: 93 PID: 1 Comm: swapper/0 Not tainted 6.8.0-rc1+ #311 [ 137.182693] RIP: 0010:__sev_platform_shutdown_locked+0x51/0x180 [ 137.182693] Code: 08 80 3c 08 00 0f 85 0e 01 00 00 48 8b 1d 67 b6 01 08 48 b8 00 00 00 00 00 fc ff df 48 8d bb f0 00 00 00 48 89 f9 48 c1 e9 03 <80> 3c 01 00 0f 85 fe 00 00 00 48 8b 9b f0 00 00 00 48 85 db 74 2c [ 137.182693] RSP: 0018:ffffc900000cf9b0 EFLAGS: 00010216 [ 137.182693] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 000000000000001e [ 137.182693] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 00000000000000f0 [ 137.182693] RBP: ffffc900000cf9c8 R08: 0000000000000000 R09: fffffbfff58f5a66 [ 137.182693] R10: ffffc900000cf9c8 R11: ffffffffac7ad32f R12: ffff8881e5052c28 [ 137.182693] R13: ffff8881e5052c28 R14: ffff8881758e43e8 R15: ffffffffac64abf8 [ 137.182693] FS: 0000000000000000(0000) GS:ffff889de7000000(0000) knlGS:0000000000000000 [ 137.182693] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 137.182693] CR2: 0000000000000000 CR3: 0000001cf7c7e000 CR4: 0000000000350ef0 [ 137.182693] Call Trace: [ 137.182693] <TASK> [ 137.182693] ? show_regs+0x6c/0x80 [ 137.182693] ? __die_body+0x24/0x70 [ 137.182693] ? die_addr+0x4b/0x80 [ 137.182693] ? exc_general_protection+0x126/0x230 [ 137.182693] ? asm_exc_general_protection+0x2b/0x30 [ 137.182693] ? __sev_platform_shutdown_locked+0x51/0x180 [ 137.182693] sev_firmware_shutdown.isra.0+0x1e/0x80 [ 137.182693] sev_dev_destroy+0x49/0x100 [ 137.182693] psp_dev_destroy+0x47/0xb0 [ 137.182693] sp_destroy+0xbb/0x240 [ 137.182693] sp_pci_remove+0x45/0x60 [ 137.182693] pci_device_remove+0xaa/0x1d0 [ 137.182693] device_remove+0xc7/0x170 [ 137.182693] really_probe+0x374/0xbe0 [ 137.182693] ? srso_return_thunk+0x5/0x5f [ 137.182693] __driver_probe_device+0x199/0x460 [ 137.182693] driver_probe_device+0x4e/0xd0 [ 137.182693] __driver_attach+0x191/0x3d0 [ 137.182693] ? __pfx___driver_attach+0x10/0x10 [ 137.182693] bus_for_each_dev+0x100/0x190 [ 137.182693] ? __pfx_bus_for_each_dev+0x10/0x10 [ 137.182693] ? __kasan_check_read+0x15/0x20 [ 137.182693] ? srso_return_thunk+0x5/0x5f [ 137.182693] ? _raw_spin_unlock+0x27/0x50 [ 137.182693] driver_attach+0x41/0x60 [ 137.182693] bus_add_driver+0x2a8/0x580 [ 137.182693] driver_register+0x141/0x480 [ 137.182693] __pci_register_driver+0x1d6/0x2a0 [ 137.182693] ? srso_return_thunk+0x5/0x5f [ 137.182693] ? esrt_sysfs_init+0x1cd/0x5d0 [ 137.182693] ? __pfx_sp_mod_init+0x10/0x10 [ 137.182693] sp_pci_init+0x22/0x30 [ 137.182693] sp_mod_init+0x14/0x30 [ 137.182693] ? __pfx_sp_mod_init+0x10/0x10 [ 137.182693] do_one_initcall+0xd1/0x470 [ 137.182693] ? __pfx_do_one_initcall+0x10/0x10 [ 137.182693] ? parameq+0x80/0xf0 [ 137.182693] ? srso_return_thunk+0x5/0x5f [ 137.182693] ? __kmalloc+0x3b0/0x4e0 [ 137.182693] ? kernel_init_freeable+0x92d/0x1050 [ 137.182693] ? kasan_populate_vmalloc_pte+0x171/0x190 [ 137.182693] ? srso_return_thunk+0x5/0x5f [ 137.182693] kernel_init_freeable+0xa64/0x1050 [ 137.182693] ? __pfx_kernel_init+0x10/0x10 [ 137.182693] kernel_init+0x24/0x160 [ 137.182693] ? __switch_to_asm+0x3e/0x70 [ 137.182693] ret_from_fork+0x40/0x80 [ 137.182693] ? __pfx_kernel_init+0x1 ---truncated---
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-10 15:52 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 87af9b0b45666ca3dd6b10c0ece691c740b0f750 , < 58054faf3bd29cd0b949b77efcb6157f66f401ed (git)
Affected: f831d2882c843d44100016aeb4332e9c4b560805 , < 7535ec350a5f09b5756a7607f5582913f21200f4 (git)
Affected: 1b05ece0c931536c0a38a9385e243a7962e933f6 , < 8731fe001a60581794ed9cf65da8cd304846a6fb (git)
Affected: 1b05ece0c931536c0a38a9385e243a7962e933f6 , < 88aa493f393d2ee38ac140e1f6ac1881346e85d4 (git)
Affected: 1b05ece0c931536c0a38a9385e243a7962e933f6 , < b5909f197f3b26aebedca7d8ac7b688fd993a266 (git)
Affected: 1b05ece0c931536c0a38a9385e243a7962e933f6 , < ccb88e9549e7cfd8bcd511c538f437e20026e983 (git)
Affected: fcb04178c05b88a98921e262da9f7cb21cfff118 (git)
Affected: d87bbd10fc01b52c814113643f2707d2d10b0319 (git)
Affected: 5.10.137 , < 5.10.210 (semver)
Affected: 5.15.61 , < 5.15.149 (semver)
Affected: 5.18.18 , < 5.19 (semver)
Affected: 5.19.2 , < 5.20 (semver)
guessed Create a notification for this product.
Linux Linux Affected: 6.0
Unaffected: 0 , < 6.0 (semver)
Unaffected: 5.10.210 , ≤ 5.10.* (semver)
Unaffected: 5.15.149 , ≤ 5.15.* (semver)
Unaffected: 6.1.79 , ≤ 6.1.* (semver)
Unaffected: 6.6.18 , ≤ 6.6.* (semver)
Unaffected: 6.7.6 , ≤ 6.7.* (semver)
Unaffected: 6.8 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: ccp - Fix null pointer dereference in __sev_platform_shutdown_locked\n\nThe SEV platform device can be shutdown with a null psp_master,\ne.g., using DEBUG_TEST_DRIVER_REMOVE.  Found using KASAN:\n\n[  137.148210] ccp 0000:23:00.1: enabling device (0000 -\u003e 0002)\n[  137.162647] ccp 0000:23:00.1: no command queues available\n[  137.170598] ccp 0000:23:00.1: sev enabled\n[  137.174645] ccp 0000:23:00.1: psp enabled\n[  137.178890] general protection fault, probably for non-canonical address 0xdffffc000000001e: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC KASAN NOPTI\n[  137.182693] KASAN: null-ptr-deref in range [0x00000000000000f0-0x00000000000000f7]\n[  137.182693] CPU: 93 PID: 1 Comm: swapper/0 Not tainted 6.8.0-rc1+ #311\n[  137.182693] RIP: 0010:__sev_platform_shutdown_locked+0x51/0x180\n[  137.182693] Code: 08 80 3c 08 00 0f 85 0e 01 00 00 48 8b 1d 67 b6 01 08 48 b8 00 00 00 00 00 fc ff df 48 8d bb f0 00 00 00 48 89 f9 48 c1 e9 03 \u003c80\u003e 3c 01 00 0f 85 fe 00 00 00 48 8b 9b f0 00 00 00 48 85 db 74 2c\n[  137.182693] RSP: 0018:ffffc900000cf9b0 EFLAGS: 00010216\n[  137.182693] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 000000000000001e\n[  137.182693] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 00000000000000f0\n[  137.182693] RBP: ffffc900000cf9c8 R08: 0000000000000000 R09: fffffbfff58f5a66\n[  137.182693] R10: ffffc900000cf9c8 R11: ffffffffac7ad32f R12: ffff8881e5052c28\n[  137.182693] R13: ffff8881e5052c28 R14: ffff8881758e43e8 R15: ffffffffac64abf8\n[  137.182693] FS:  0000000000000000(0000) GS:ffff889de7000000(0000) knlGS:0000000000000000\n[  137.182693] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[  137.182693] CR2: 0000000000000000 CR3: 0000001cf7c7e000 CR4: 0000000000350ef0\n[  137.182693] Call Trace:\n[  137.182693]  \u003cTASK\u003e\n[  137.182693]  ? show_regs+0x6c/0x80\n[  137.182693]  ? __die_body+0x24/0x70\n[  137.182693]  ? die_addr+0x4b/0x80\n[  137.182693]  ? exc_general_protection+0x126/0x230\n[  137.182693]  ? asm_exc_general_protection+0x2b/0x30\n[  137.182693]  ? __sev_platform_shutdown_locked+0x51/0x180\n[  137.182693]  sev_firmware_shutdown.isra.0+0x1e/0x80\n[  137.182693]  sev_dev_destroy+0x49/0x100\n[  137.182693]  psp_dev_destroy+0x47/0xb0\n[  137.182693]  sp_destroy+0xbb/0x240\n[  137.182693]  sp_pci_remove+0x45/0x60\n[  137.182693]  pci_device_remove+0xaa/0x1d0\n[  137.182693]  device_remove+0xc7/0x170\n[  137.182693]  really_probe+0x374/0xbe0\n[  137.182693]  ? srso_return_thunk+0x5/0x5f\n[  137.182693]  __driver_probe_device+0x199/0x460\n[  137.182693]  driver_probe_device+0x4e/0xd0\n[  137.182693]  __driver_attach+0x191/0x3d0\n[  137.182693]  ? __pfx___driver_attach+0x10/0x10\n[  137.182693]  bus_for_each_dev+0x100/0x190\n[  137.182693]  ? __pfx_bus_for_each_dev+0x10/0x10\n[  137.182693]  ? __kasan_check_read+0x15/0x20\n[  137.182693]  ? srso_return_thunk+0x5/0x5f\n[  137.182693]  ? _raw_spin_unlock+0x27/0x50\n[  137.182693]  driver_attach+0x41/0x60\n[  137.182693]  bus_add_driver+0x2a8/0x580\n[  137.182693]  driver_register+0x141/0x480\n[  137.182693]  __pci_register_driver+0x1d6/0x2a0\n[  137.182693]  ? srso_return_thunk+0x5/0x5f\n[  137.182693]  ? esrt_sysfs_init+0x1cd/0x5d0\n[  137.182693]  ? __pfx_sp_mod_init+0x10/0x10\n[  137.182693]  sp_pci_init+0x22/0x30\n[  137.182693]  sp_mod_init+0x14/0x30\n[  137.182693]  ? __pfx_sp_mod_init+0x10/0x10\n[  137.182693]  do_one_initcall+0xd1/0x470\n[  137.182693]  ? __pfx_do_one_initcall+0x10/0x10\n[  137.182693]  ? parameq+0x80/0xf0\n[  137.182693]  ? srso_return_thunk+0x5/0x5f\n[  137.182693]  ? __kmalloc+0x3b0/0x4e0\n[  137.182693]  ? kernel_init_freeable+0x92d/0x1050\n[  137.182693]  ? kasan_populate_vmalloc_pte+0x171/0x190\n[  137.182693]  ? srso_return_thunk+0x5/0x5f\n[  137.182693]  kernel_init_freeable+0xa64/0x1050\n[  137.182693]  ? __pfx_kernel_init+0x10/0x10\n[  137.182693]  kernel_init+0x24/0x160\n[  137.182693]  ? __switch_to_asm+0x3e/0x70\n[  137.182693]  ret_from_fork+0x40/0x80\n[  137.182693]  ? __pfx_kernel_init+0x1\n---truncated---"
        }
      ],
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          "url": "https://git.kernel.org/stable/c/7535ec350a5f09b5756a7607f5582913f21200f4"
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        {
          "url": "https://git.kernel.org/stable/c/ccb88e9549e7cfd8bcd511c538f437e20026e983"
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      ],
      "title": "crypto: ccp - Fix null pointer dereference in __sev_platform_shutdown_locked",
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    }
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    "cveId": "CVE-2024-26695",
    "datePublished": "2024-04-03T14:54:56.184Z",
    "dateReserved": "2024-02-19T14:20:24.156Z",
    "dateUpdated": "2026-05-23T15:36:54.177Z",
    "state": "PUBLISHED"
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        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: ccp - Fix null pointer dereference in __sev_platform_shutdown_locked\n\nThe SEV platform device can be shutdown with a null psp_master,\ne.g., using DEBUG_TEST_DRIVER_REMOVE.  Found using KASAN:\n\n[  137.148210] ccp 0000:23:00.1: enabling device (0000 -\u003e 0002)\n[  137.162647] ccp 0000:23:00.1: no command queues available\n[  137.170598] ccp 0000:23:00.1: sev enabled\n[  137.174645] ccp 0000:23:00.1: psp enabled\n[  137.178890] general protection fault, probably for non-canonical address 0xdffffc000000001e: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC KASAN NOPTI\n[  137.182693] KASAN: null-ptr-deref in range [0x00000000000000f0-0x00000000000000f7]\n[  137.182693] CPU: 93 PID: 1 Comm: swapper/0 Not tainted 6.8.0-rc1+ #311\n[  137.182693] RIP: 0010:__sev_platform_shutdown_locked+0x51/0x180\n[  137.182693] Code: 08 80 3c 08 00 0f 85 0e 01 00 00 48 8b 1d 67 b6 01 08 48 b8 00 00 00 00 00 fc ff df 48 8d bb f0 00 00 00 48 89 f9 48 c1 e9 03 \u003c80\u003e 3c 01 00 0f 85 fe 00 00 00 48 8b 9b f0 00 00 00 48 85 db 74 2c\n[  137.182693] RSP: 0018:ffffc900000cf9b0 EFLAGS: 00010216\n[  137.182693] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 000000000000001e\n[  137.182693] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 00000000000000f0\n[  137.182693] RBP: ffffc900000cf9c8 R08: 0000000000000000 R09: fffffbfff58f5a66\n[  137.182693] R10: ffffc900000cf9c8 R11: ffffffffac7ad32f R12: ffff8881e5052c28\n[  137.182693] R13: ffff8881e5052c28 R14: ffff8881758e43e8 R15: ffffffffac64abf8\n[  137.182693] FS:  0000000000000000(0000) GS:ffff889de7000000(0000) knlGS:0000000000000000\n[  137.182693] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[  137.182693] CR2: 0000000000000000 CR3: 0000001cf7c7e000 CR4: 0000000000350ef0\n[  137.182693] Call Trace:\n[  137.182693]  \u003cTASK\u003e\n[  137.182693]  ? show_regs+0x6c/0x80\n[  137.182693]  ? __die_body+0x24/0x70\n[  137.182693]  ? die_addr+0x4b/0x80\n[  137.182693]  ? exc_general_protection+0x126/0x230\n[  137.182693]  ? asm_exc_general_protection+0x2b/0x30\n[  137.182693]  ? __sev_platform_shutdown_locked+0x51/0x180\n[  137.182693]  sev_firmware_shutdown.isra.0+0x1e/0x80\n[  137.182693]  sev_dev_destroy+0x49/0x100\n[  137.182693]  psp_dev_destroy+0x47/0xb0\n[  137.182693]  sp_destroy+0xbb/0x240\n[  137.182693]  sp_pci_remove+0x45/0x60\n[  137.182693]  pci_device_remove+0xaa/0x1d0\n[  137.182693]  device_remove+0xc7/0x170\n[  137.182693]  really_probe+0x374/0xbe0\n[  137.182693]  ? srso_return_thunk+0x5/0x5f\n[  137.182693]  __driver_probe_device+0x199/0x460\n[  137.182693]  driver_probe_device+0x4e/0xd0\n[  137.182693]  __driver_attach+0x191/0x3d0\n[  137.182693]  ? __pfx___driver_attach+0x10/0x10\n[  137.182693]  bus_for_each_dev+0x100/0x190\n[  137.182693]  ? __pfx_bus_for_each_dev+0x10/0x10\n[  137.182693]  ? __kasan_check_read+0x15/0x20\n[  137.182693]  ? srso_return_thunk+0x5/0x5f\n[  137.182693]  ? _raw_spin_unlock+0x27/0x50\n[  137.182693]  driver_attach+0x41/0x60\n[  137.182693]  bus_add_driver+0x2a8/0x580\n[  137.182693]  driver_register+0x141/0x480\n[  137.182693]  __pci_register_driver+0x1d6/0x2a0\n[  137.182693]  ? srso_return_thunk+0x5/0x5f\n[  137.182693]  ? esrt_sysfs_init+0x1cd/0x5d0\n[  137.182693]  ? __pfx_sp_mod_init+0x10/0x10\n[  137.182693]  sp_pci_init+0x22/0x30\n[  137.182693]  sp_mod_init+0x14/0x30\n[  137.182693]  ? __pfx_sp_mod_init+0x10/0x10\n[  137.182693]  do_one_initcall+0xd1/0x470\n[  137.182693]  ? __pfx_do_one_initcall+0x10/0x10\n[  137.182693]  ? parameq+0x80/0xf0\n[  137.182693]  ? srso_return_thunk+0x5/0x5f\n[  137.182693]  ? __kmalloc+0x3b0/0x4e0\n[  137.182693]  ? kernel_init_freeable+0x92d/0x1050\n[  137.182693]  ? kasan_populate_vmalloc_pte+0x171/0x190\n[  137.182693]  ? srso_return_thunk+0x5/0x5f\n[  137.182693]  kernel_init_freeable+0xa64/0x1050\n[  137.182693]  ? __pfx_kernel_init+0x10/0x10\n[  137.182693]  kernel_init+0x24/0x160\n[  137.182693]  ? __switch_to_asm+0x3e/0x70\n[  137.182693]  ret_from_fork+0x40/0x80\n[  137.182693]  ? __pfx_kernel_init+0x1\n---truncated---"
          },
          {
            "lang": "es",
            "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: crypto: ccp - Corrige la desreferencia del puntero nulo en __sev_platform_shutdown_locked El dispositivo de la plataforma SEV se puede apagar con un psp_master nulo, por ejemplo, usando DEBUG_TEST_DRIVER_REMOVE. Encontrado usando KASAN: [ 137.148210] ccp 0000:23:00.1: dispositivo de habilitaci\u00f3n (0000 -\u0026gt; 0002) [ 137.162647] ccp 0000:23:00.1: no hay colas de comandos disponibles [ 137.170598] ccp 0000:23:00.1: sev habilitado [ 13 7.174645 ] ccp 0000:23:00.1: psp habilitado [137.178890] falla de protecci\u00f3n general, probablemente para direcci\u00f3n no can\u00f3nica 0xdffffc000000001e: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC KASAN NOPTI [137.182693] KASAN: null-ptr-deref en rango [0x00 000000000000f0- 0x00000000000000f7] [ 137.182693] CPU: 93 PID: 1 Comm: swapper/0 No contaminado 6.8.0-rc1+ #311 [ 137.182693] RIP: 0010:__sev_platform_shutdown_locked+0x51/0x180 [ 137.1826 93] C\u00f3digo: 08 80 3c 08 00 0f 85 0e 01 00 00 48 8b 1d 67 b6 01 08 48 b8 00 00 00 00 00 fc ff df 48 8d bb f0 00 00 00 48 89 f9 48 c1 e9 03 \u0026lt;80\u0026gt; 3c 01 00 0f 85 fe 00 00 00 48 8b 9b f0 00 00 00 48 85 db 74 2c [ 137.182693] RSP: 0018:ffffc900000cf9b0 EFLAGS: 00010216 [ 137.182693] RAX: dffffc0000000000 RBX: 00000000000000000 RC X: 000000000000001e [ 137.182693] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 00000000000000f0 [ 137.182693] RBP: ffffc900000cf9c8 R0 8 : 0000000000000000 R09: ffffbfff58f5a66 [ 137.182693] R10: ffffc900000cf9c8 R11: ffffffffac7ad32f R12: ffff8881e5052c28 [ 137.182693] R13: ffff8881 e5052c28 R14: ffff8881758e43e8 R15: ffffffffac64abf8 [ 137.182693] FS: 0000000000000000(0000) GS:ffff889de7000000(0000) knlGS:00000000000000000 [ 137.182693] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 137.182693] CR2: 0000000000000000 CR3: 0000001cf7c7e000 CR4: 0000000000350ef0 [ 137.182693 ] Seguimiento de llamadas: [ 137.182693]  [ 137.182693] ? show_regs+0x6c/0x80 [137.182693]? __die_body+0x24/0x70 [ 137.182693] ? die_addr+0x4b/0x80 [ 137.182693] ? exc_general_protection+0x126/0x230 [137.182693]? asm_exc_general_protection+0x2b/0x30 [137.182693]? __sev_platform_shutdown_locked+0x51/0x180 [ 137.182693] sev_firmware_shutdown.isra.0+0x1e/0x80 [ 137.182693] sev_dev_destroy+0x49/0x100 [ 137.182693] psp_dev_destroy+0x47/0 xb0 [ 137.182693] sp_destroy+0xbb/0x240 [ 137.182693] sp_pci_remove+0x45/0x60 [ 137.182693] pci_device_remove+0xaa/0x1d0 [ 137.182693] device_remove+0xc7/0x170 [ 137.182693]realmente_probe+0x374/0xbe0 [ 137.182693] ? srso_return_thunk+0x5/0x5f [ 137.182693] __driver_probe_device+0x199/0x460 [ 137.182693] driver_probe_device+0x4e/0xd0 [ 137.182693] __driver_attach+0x191/0x3d0 [ 137.18 2693] ? __pfx___driver_attach+0x10/0x10 [ 137.182693] bus_for_each_dev+0x100/0x190 [ 137.182693] ? __pfx_bus_for_each_dev+0x10/0x10 [137.182693]? __kasan_check_read+0x15/0x20 [ 137.182693] ? srso_return_thunk+0x5/0x5f [137.182693]? _raw_spin_unlock+0x27/0x50 [ 137.182693] driver_attach+0x41/0x60 [ 137.182693] bus_add_driver+0x2a8/0x580 [ 137.182693] driver_register+0x141/0x480 [ 137.182693] __pci_ registro_controlador+0x1d6/0x2a0 [137.182693]? srso_return_thunk+0x5/0x5f [137.182693]? esrt_sysfs_init+0x1cd/0x5d0 [137.182693]? __pfx_sp_mod_init+0x10/0x10 [ 137.182693] sp_pci_init+0x22/0x30 [ 137.182693] sp_mod_init+0x14/0x30 [ 137.182693] ? __pfx_sp_mod_init+0x10/0x10 [ 137.182693] do_one_initcall+0xd1/0x470 [ 137.182693] ? __pfx_do_one_initcall+0x10/0x10 [137.182693]? parameq+0x80/0xf0 [137.182693]? srso_return_thunk+0x5/0x5f [137.182693]? __kmalloc+0x3b0/0x4e0 [ 137.182693] ? kernel_init_freeable+0x92d/0x1050 [137.182693]? kasan_populate_vmalloc_pte+0x171/0x190 [137.182693]? srso_return_thunk+0x5/0x5f [137.182693] kernel_init_freeable+0xa64/0x1050 [137.182693]? __pfx_kernel_init+0x10/0x10 [ 137.182693] kernel_init+0x24/0x160 [ 137.182693] ? __switch_to_asm+0x3e/0x70 [ 137.182693] ret_from_fork+0x40/0x80 [ 137.182693] ? __pfx_kernel_init+0x1 ---truncado---"
          }
        ],
        "id": "CVE-2024-26695",
        "lastModified": "2026-06-17T07:18:07.017",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 5.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2024-26695",
                "options": [
                  {
                    "exploitation": "none"
                  },
                  {
                    "automatable": "no"
                  },
                  {
                    "technicalImpact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-10T15:52:57.346229Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2024-04-03T15:15:52.770",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
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            "url": "https://git.kernel.org/stable/c/58054faf3bd29cd0b949b77efcb6157f66f401ed"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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            "url": "https://git.kernel.org/stable/c/8731fe001a60581794ed9cf65da8cd304846a6fb"
          },
          {
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      "product_status:known_affected": "156",
      "product_status:known_not_affected": "42",
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      "status": "final",
      "title": "kernel: crypto: ccp - Fix null pointer dereference in __sev_platform_shutdown_locked",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-26695.json",
      "version": "3"
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    "vulnrichment": {
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                "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"
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            ],
            "title": "CVE Program Container"
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          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2024-26695",
                    "options": [
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                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
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                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2024-09-10T15:52:57.346229Z",
                    "version": "2.0.3"
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              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
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            "title": "CISA ADP Vulnrichment"
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        "cna": {
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              "product": "Linux",
              "programFiles": [
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              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
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                  "status": "affected",
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                {
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                  "version": "1b05ece0c931536c0a38a9385e243a7962e933f6",
                  "versionType": "git"
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                  "versionType": "git"
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                  "status": "affected",
                  "version": "1b05ece0c931536c0a38a9385e243a7962e933f6",
                  "versionType": "git"
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                {
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                  "status": "affected",
                  "version": "1b05ece0c931536c0a38a9385e243a7962e933f6",
                  "versionType": "git"
                },
                {
                  "status": "affected",
                  "version": "fcb04178c05b88a98921e262da9f7cb21cfff118",
                  "versionType": "git"
                },
                {
                  "status": "affected",
                  "version": "d87bbd10fc01b52c814113643f2707d2d10b0319",
                  "versionType": "git"
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            {
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              "product": "Linux",
              "programFiles": [
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              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
                  "status": "affected",
                  "version": "6.0"
                },
                {
                  "lessThan": "6.0",
                  "status": "unaffected",
                  "version": "0",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.10.*",
                  "status": "unaffected",
                  "version": "5.10.210",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.15.*",
                  "status": "unaffected",
                  "version": "5.15.149",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.1.*",
                  "status": "unaffected",
                  "version": "6.1.79",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.6.*",
                  "status": "unaffected",
                  "version": "6.6.18",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.7.*",
                  "status": "unaffected",
                  "version": "6.7.6",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "*",
                  "status": "unaffected",
                  "version": "6.8",
                  "versionType": "original_commit_for_fix"
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              ]
            }
          ],
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              "nodes": [
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                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.10.210",
                      "versionStartIncluding": "5.10.137",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.15.149",
                      "versionStartIncluding": "5.15.61",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.1.79",
                      "versionStartIncluding": "6.0",
                      "vulnerable": true
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                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.6.18",
                      "versionStartIncluding": "6.0",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.7.6",
                      "versionStartIncluding": "6.0",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.8",
                      "versionStartIncluding": "6.0",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionStartIncluding": "5.18.18",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionStartIncluding": "5.19.2",
                      "vulnerable": true
                    }
                  ],
                  "negate": false,
                  "operator": "OR"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: ccp - Fix null pointer dereference in __sev_platform_shutdown_locked\n\nThe SEV platform device can be shutdown with a null psp_master,\ne.g., using DEBUG_TEST_DRIVER_REMOVE.  Found using KASAN:\n\n[  137.148210] ccp 0000:23:00.1: enabling device (0000 -\u003e 0002)\n[  137.162647] ccp 0000:23:00.1: no command queues available\n[  137.170598] ccp 0000:23:00.1: sev enabled\n[  137.174645] ccp 0000:23:00.1: psp enabled\n[  137.178890] general protection fault, probably for non-canonical address 0xdffffc000000001e: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC KASAN NOPTI\n[  137.182693] KASAN: null-ptr-deref in range [0x00000000000000f0-0x00000000000000f7]\n[  137.182693] CPU: 93 PID: 1 Comm: swapper/0 Not tainted 6.8.0-rc1+ #311\n[  137.182693] RIP: 0010:__sev_platform_shutdown_locked+0x51/0x180\n[  137.182693] Code: 08 80 3c 08 00 0f 85 0e 01 00 00 48 8b 1d 67 b6 01 08 48 b8 00 00 00 00 00 fc ff df 48 8d bb f0 00 00 00 48 89 f9 48 c1 e9 03 \u003c80\u003e 3c 01 00 0f 85 fe 00 00 00 48 8b 9b f0 00 00 00 48 85 db 74 2c\n[  137.182693] RSP: 0018:ffffc900000cf9b0 EFLAGS: 00010216\n[  137.182693] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 000000000000001e\n[  137.182693] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 00000000000000f0\n[  137.182693] RBP: ffffc900000cf9c8 R08: 0000000000000000 R09: fffffbfff58f5a66\n[  137.182693] R10: ffffc900000cf9c8 R11: ffffffffac7ad32f R12: ffff8881e5052c28\n[  137.182693] R13: ffff8881e5052c28 R14: ffff8881758e43e8 R15: ffffffffac64abf8\n[  137.182693] FS:  0000000000000000(0000) GS:ffff889de7000000(0000) knlGS:0000000000000000\n[  137.182693] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[  137.182693] CR2: 0000000000000000 CR3: 0000001cf7c7e000 CR4: 0000000000350ef0\n[  137.182693] Call Trace:\n[  137.182693]  \u003cTASK\u003e\n[  137.182693]  ? show_regs+0x6c/0x80\n[  137.182693]  ? __die_body+0x24/0x70\n[  137.182693]  ? die_addr+0x4b/0x80\n[  137.182693]  ? exc_general_protection+0x126/0x230\n[  137.182693]  ? asm_exc_general_protection+0x2b/0x30\n[  137.182693]  ? __sev_platform_shutdown_locked+0x51/0x180\n[  137.182693]  sev_firmware_shutdown.isra.0+0x1e/0x80\n[  137.182693]  sev_dev_destroy+0x49/0x100\n[  137.182693]  psp_dev_destroy+0x47/0xb0\n[  137.182693]  sp_destroy+0xbb/0x240\n[  137.182693]  sp_pci_remove+0x45/0x60\n[  137.182693]  pci_device_remove+0xaa/0x1d0\n[  137.182693]  device_remove+0xc7/0x170\n[  137.182693]  really_probe+0x374/0xbe0\n[  137.182693]  ? srso_return_thunk+0x5/0x5f\n[  137.182693]  __driver_probe_device+0x199/0x460\n[  137.182693]  driver_probe_device+0x4e/0xd0\n[  137.182693]  __driver_attach+0x191/0x3d0\n[  137.182693]  ? __pfx___driver_attach+0x10/0x10\n[  137.182693]  bus_for_each_dev+0x100/0x190\n[  137.182693]  ? __pfx_bus_for_each_dev+0x10/0x10\n[  137.182693]  ? __kasan_check_read+0x15/0x20\n[  137.182693]  ? srso_return_thunk+0x5/0x5f\n[  137.182693]  ? _raw_spin_unlock+0x27/0x50\n[  137.182693]  driver_attach+0x41/0x60\n[  137.182693]  bus_add_driver+0x2a8/0x580\n[  137.182693]  driver_register+0x141/0x480\n[  137.182693]  __pci_register_driver+0x1d6/0x2a0\n[  137.182693]  ? srso_return_thunk+0x5/0x5f\n[  137.182693]  ? esrt_sysfs_init+0x1cd/0x5d0\n[  137.182693]  ? __pfx_sp_mod_init+0x10/0x10\n[  137.182693]  sp_pci_init+0x22/0x30\n[  137.182693]  sp_mod_init+0x14/0x30\n[  137.182693]  ? __pfx_sp_mod_init+0x10/0x10\n[  137.182693]  do_one_initcall+0xd1/0x470\n[  137.182693]  ? __pfx_do_one_initcall+0x10/0x10\n[  137.182693]  ? parameq+0x80/0xf0\n[  137.182693]  ? srso_return_thunk+0x5/0x5f\n[  137.182693]  ? __kmalloc+0x3b0/0x4e0\n[  137.182693]  ? kernel_init_freeable+0x92d/0x1050\n[  137.182693]  ? kasan_populate_vmalloc_pte+0x171/0x190\n[  137.182693]  ? srso_return_thunk+0x5/0x5f\n[  137.182693]  kernel_init_freeable+0xa64/0x1050\n[  137.182693]  ? __pfx_kernel_init+0x10/0x10\n[  137.182693]  kernel_init+0x24/0x160\n[  137.182693]  ? __switch_to_asm+0x3e/0x70\n[  137.182693]  ret_from_fork+0x40/0x80\n[  137.182693]  ? __pfx_kernel_init+0x1\n---truncated---"
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-05-11T20:02:24.801Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
          },
          "references": [
            {
              "url": "https://git.kernel.org/stable/c/58054faf3bd29cd0b949b77efcb6157f66f401ed"
            },
            {
              "url": "https://git.kernel.org/stable/c/7535ec350a5f09b5756a7607f5582913f21200f4"
            },
            {
              "url": "https://git.kernel.org/stable/c/8731fe001a60581794ed9cf65da8cd304846a6fb"
            },
            {
              "url": "https://git.kernel.org/stable/c/88aa493f393d2ee38ac140e1f6ac1881346e85d4"
            },
            {
              "url": "https://git.kernel.org/stable/c/b5909f197f3b26aebedca7d8ac7b688fd993a266"
            },
            {
              "url": "https://git.kernel.org/stable/c/ccb88e9549e7cfd8bcd511c538f437e20026e983"
            }
          ],
          "title": "crypto: ccp - Fix null pointer dereference in __sev_platform_shutdown_locked",
          "x_generator": {
            "engine": "bippy-1.2.0"
          }
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      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2024-26695",
        "datePublished": "2024-04-03T14:54:56.184Z",
        "dateReserved": "2024-02-19T14:20:24.156Z",
        "dateUpdated": "2026-05-11T20:02:24.801Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.