7.1

CVE-2023-53259

VMCI: check context->notify_page after call to get_user_pages_fast() to avoid GPF

In the Linux kernel, the following vulnerability has been resolved:

VMCI: check context->notify_page after call to get_user_pages_fast() to avoid GPF

The call to get_user_pages_fast() in vmci_host_setup_notify() can return
NULL context->notify_page causing a GPF. To avoid GPF check if
context->notify_page == NULL and return error if so.

general protection fault, probably for non-canonical address
    0xe0009d1000000060: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: maybe wild-memory-access in range [0x0005088000000300-
    0x0005088000000307]
CPU: 2 PID: 26180 Comm: repro_34802241 Not tainted 6.1.0-rc4 #1
Hardware name: Red Hat KVM, BIOS 1.15.0-2.module+el8.6.0 04/01/2014
RIP: 0010:vmci_ctx_check_signal_notify+0x91/0xe0
Call Trace:
 <TASK>
 vmci_host_unlocked_ioctl+0x362/0x1f40
 __x64_sys_ioctl+0x1a1/0x230
 do_syscall_64+0x3a/0x90
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 4.0 < 5.4.296
Linux ≫ Linux Kernel Version >= 5.5 < 5.10.240
Linux ≫ Linux Kernel Version >= 5.11 < 5.15.99
Linux ≫ Linux Kernel Version >= 5.16 < 6.1.16
Linux ≫ Linux Kernel Version >= 6.2 < 6.2.3
Debian ≫ Debian Linux Version11.0
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.14% 0.036
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.1 1.8 5.2
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CWE-125 Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

https://git.kernel.org/stable/c/b4239bfb260d1e6837766c41a0b241d7670f1402
Patch
https://git.kernel.org/stable/c/d4198f67e7556b1507f14f60d81a72660e5560e4
Patch
https://git.kernel.org/stable/c/a3c89e8c69a58f62451c0a75b77fcab25979b897
Patch
https://git.kernel.org/stable/c/055891397f530f9b1b22be38d7eca8b08382941f
Patch
https://git.kernel.org/stable/c/91b8e4f61f8f4594ee65368c8d89e6fdc29d3fb1
Patch
https://git.kernel.org/stable/c/1a726cb47fd204109c767409fa9ca15a96328f14
Patch
https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
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