CVE-2024-26695— crypto: ccp - Fix null pointer dereference in __sev_platform_shutdown_locked
Affected Version Matrix 20
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 87af9b0b45666ca3dd6b10c0ece691c740b0f750< 58054faf3bd29cd0b949b77efcb6157f66f401ed | affected |
f831d2882c843d44100016aeb4332e9c4b560805< 7535ec350a5f09b5756a7607f5582913f21200f4 | affected | ||
1b05ece0c931536c0a38a9385e243a7962e933f6< 8731fe001a60581794ed9cf65da8cd304846a6fb | affected | ||
1b05ece0c931536c0a38a9385e243a7962e933f6< 88aa493f393d2ee38ac140e1f6ac1881346e85d4 | affected | ||
1b05ece0c931536c0a38a9385e243a7962e933f6< b5909f197f3b26aebedca7d8ac7b688fd993a266 | affected | ||
1b05ece0c931536c0a38a9385e243a7962e933f6< ccb88e9549e7cfd8bcd511c538f437e20026e983 | affected | ||
fcb04178c05b88a98921e262da9f7cb21cfff118 | affected | ||
d87bbd10fc01b52c814113643f2707d2d10b0319 | affected | ||
| … +12 more rows | |||
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I. Basic Information for CVE-2024-26695
Vulnerability Information
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Vulnerability Title
crypto: ccp - Fix null pointer dereference in __sev_platform_shutdown_locked
Source: NVD (National Vulnerability Database)
Vulnerability Description
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---
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于空指针取消引用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2024-26695
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|---|
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Mailing List Discussions for CVE-2024-26695 (1)
Other References for CVE-2024-26695 (6)
Same Patch Batch · Linux · 2024-04-03 · 94 CVEs total
| CVE-2024-26744 | RDMA/srpt: Support specifying the srpt_service_guid parameter | |
| CVE-2024-26741 | dccp/tcp: Unhash sk from ehash for tb2 alloc failure after check_estalblished(). | |
| CVE-2024-26739 | net/sched: act_mirred: don't override retval if we already lost the skb | |
| CVE-2024-26735 | ipv6: sr: fix possible use-after-free and null-ptr-deref | |
| CVE-2024-26734 | devlink: fix possible use-after-free and memory leaks in devlink_init() | |
| CVE-2024-26733 | arp: Prevent overflow in arp_req_get(). | |
| CVE-2024-26732 | net: implement lockless setsockopt(SO_PEEK_OFF) | |
| CVE-2024-26731 | bpf, sockmap: Fix NULL pointer dereference in sk_psock_verdict_data_ready() | |
| CVE-2024-26736 | afs: Increase buffer size in afs_update_volume_status() | |
| CVE-2024-26743 | RDMA/qedr: Fix qedr_create_user_qp error flow | |
| CVE-2024-26742 | scsi: smartpqi: Fix disable_managed_interrupts | |
| CVE-2024-26747 | usb: roles: fix NULL pointer issue when put module's reference | |
| CVE-2024-26748 | usb: cdns3: fix memory double free when handle zero packet | |
| CVE-2024-26749 | usb: cdns3: fixed memory use after free at cdns3_gadget_ep_disable() | |
| CVE-2024-26751 | ARM: ep93xx: Add terminator to gpiod_lookup_table | |
| CVE-2024-26752 | l2tp: pass correct message length to ip6_append_data | |
| CVE-2024-26753 | crypto: virtio/akcipher - Fix stack overflow on memcpy | |
| CVE-2024-26754 | gtp: fix use-after-free and null-ptr-deref in gtp_genl_dump_pdp() | |
| CVE-2024-26755 | md: Don't suspend the array for interrupted reshape | |
| CVE-2024-26756 | md: Don't register sync_thread for reshape directly |
Showing top 20 of 94 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-46300
net: skbuff: preserve shared-frag marker during coalescing - CVE-2026-43503
net: skbuff: propagate shared-frag marker through frag-trans - CVE-2026-43502
net/rds: handle zerocopy send cleanup before the message is - CVE-2026-43501
ipv6: rpl: reserve mac_len headroom when recompressed SRH gr - CVE-2026-43498
accel/ivpu: Disallow re-exporting imported GEM objects
Same vendor: Linux
- CVE-2026-46300
net: skbuff: preserve shared-frag marker during coalescing - CVE-2026-43503
net: skbuff: propagate shared-frag marker through frag-trans - CVE-2026-43502
net/rds: handle zerocopy send cleanup before the message is - CVE-2026-43501
ipv6: rpl: reserve mac_len headroom when recompressed SRH gr - CVE-2026-43498
accel/ivpu: Disallow re-exporting imported GEM objects
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