← CVE Intelligence

CVE-2023-53259

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

Description (CNA)

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

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected a1d88436d53a75e950db15834b3d2f8c0c358fdc before b4239bfb260d1e6837766c41a0b241d7670f1402; affected a1d88436d53a75e950db15834b3d2f8c0c358fdc before d4198f67e7556b1507f14f60d81a72660e5560e4; affected a1d88436d53a75e950db15834b3d2f8c0c358fdc before a3c89e8c69a58f62451c0a75b77fcab25979b897; affected a1d88436d53a75e950db15834b3d2f8c0c358fdc before 055891397f530f9b1b22be38d7eca8b08382941f; affected a1d88436d53a75e950db15834b3d2f8c0c358fdc before 91b8e4f61f8f4594ee65368c8d89e6fdc29d3fb1; affected a1d88436d53a75e950db15834b3d2f8c0c358fdc before 1a726cb47fd204109c767409fa9ca15a96328f14
Linux / Linuxaffected 4.0; unaffected 0 before 4.0; unaffected 5.4.296 through 5.4.*; unaffected 5.10.240 through 5.10.*; unaffected 5.15.99 through 5.15.*; unaffected 6.1.16 through 6.1.*; unaffected 6.2.3 through 6.2.*; unaffected 6.3 through *

CWE

No CWE identifiers supplied.

References

ADP enrichment

CVE

No English description supplied.