cbcvebase.
CVE-2024-26695
published 2024-04-03

CVE-2024-26695: In the Linux kernel, the following vulnerability has been resolved: crypto: ccp - Fix null pointer dereference in __sev_platform_shutdown_locked The SEV…

PriorityP420medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.24%
15.5th percentile
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 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] [ 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

Affected

28 ranges· showing 25
VendorProductVersion rangeFixed in
debiandebian_linux
debianlinux< linux 6.1.82-1 (bookworm)linux 6.1.82-1 (bookworm)
linuxlinux
linuxlinux
linuxlinux
linuxlinux>= 1b05ece0c931536c0a38a9385e243a7962e933f6 < 8731fe001a60581794ed9cf65da8cd304846a6fb8731fe001a60581794ed9cf65da8cd304846a6fb
linuxlinux>= 1b05ece0c931536c0a38a9385e243a7962e933f6 < 88aa493f393d2ee38ac140e1f6ac1881346e85d488aa493f393d2ee38ac140e1f6ac1881346e85d4
linuxlinux>= 1b05ece0c931536c0a38a9385e243a7962e933f6 < b5909f197f3b26aebedca7d8ac7b688fd993a266b5909f197f3b26aebedca7d8ac7b688fd993a266
linuxlinux>= 1b05ece0c931536c0a38a9385e243a7962e933f6 < ccb88e9549e7cfd8bcd511c538f437e20026e983ccb88e9549e7cfd8bcd511c538f437e20026e983
linuxlinux>= 5.10.137 < 5.10.2105.10.210
linuxlinux>= 5.15.61 < 5.15.1495.15.149
linuxlinux>= 5.18.18 < 5.195.19
linuxlinux>= 5.19.2 < 5.205.20
linuxlinux>= 87af9b0b45666ca3dd6b10c0ece691c740b0f750 < 58054faf3bd29cd0b949b77efcb6157f66f401ed58054faf3bd29cd0b949b77efcb6157f66f401ed
linuxlinux>= f831d2882c843d44100016aeb4332e9c4b560805 < 7535ec350a5f09b5756a7607f5582913f21200f47535ec350a5f09b5756a7607f5582913f21200f4
linuxlinux_kernel
linuxlinux_kernel>= 0 < 5.10.216-15.10.216-1
linuxlinux_kernel>= 0 < 6.1.82-16.1.82-1
linuxlinux_kernel>= 0 < 6.7.7-16.7.7-1
linuxlinux_kernel>= 0 < 6.7.7-16.7.7-1
linuxlinux_kernel>= 0 < 5.15.0-106.1165.15.0-106.116
linuxlinux_kernel>= 5.10.137 < 5.10.2105.10.210
linuxlinux_kernel>= 5.15.61 < 5.15.1495.15.149
linuxlinux_kernel>= 5.18.18 < 5.195.19
linuxlinux_kernel>= 5.19.2 < 5.205.20

CVSS provenance

nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv7.0HIGH
vendor_ubuntu7.0HIGH
vendor_debian5.5MEDIUM
vendor_redhat5.5MEDIUM
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