{"id":"DEBIAN-CVE-2024-26695","details":"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 -\u003e 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 \u003c80\u003e 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]  \u003cTASK\u003e [  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---","modified":"2026-09-15T09:03:04.971727697Z","published":"2024-04-03T15:15:52.770Z","upstream":["CVE-2024-26695"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2024-26695"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.82-1"}]}],"versions":["6.1.27-1","6.1.37-1","6.1.38-1","6.1.38-2","6.1.38-2~bpo11+1","6.1.38-3","6.1.38-4","6.1.38-4~bpo11+1","6.1.52-1","6.1.55-1","6.1.55-1~bpo11+1","6.1.64-1","6.1.66-1","6.1.67-1","6.1.69-1","6.1.69-1~bpo11+1","6.1.76-1","6.1.76-1~bpo11+1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2024-26695.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.7.7-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2024-26695.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.7.7-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2024-26695.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}