CVE-2023-53259 (GCVE-0-2023-53259)

Vulnerability from cvelistv5 – Published: 2025-09-15 14:46 – Updated: 2025-11-03 17:31
VLAI?
Title
VMCI: check context->notify_page after call to get_user_pages_fast() to avoid GPF
Summary
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
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: a1d88436d53a75e950db15834b3d2f8c0c358fdc , < b4239bfb260d1e6837766c41a0b241d7670f1402 (git)
Affected: a1d88436d53a75e950db15834b3d2f8c0c358fdc , < d4198f67e7556b1507f14f60d81a72660e5560e4 (git)
Affected: a1d88436d53a75e950db15834b3d2f8c0c358fdc , < a3c89e8c69a58f62451c0a75b77fcab25979b897 (git)
Affected: a1d88436d53a75e950db15834b3d2f8c0c358fdc , < 055891397f530f9b1b22be38d7eca8b08382941f (git)
Affected: a1d88436d53a75e950db15834b3d2f8c0c358fdc , < 91b8e4f61f8f4594ee65368c8d89e6fdc29d3fb1 (git)
Affected: a1d88436d53a75e950db15834b3d2f8c0c358fdc , < 1a726cb47fd204109c767409fa9ca15a96328f14 (git)
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    Linux Linux Affected: 4.0
Unaffected: 0 , < 4.0 (semver)
Unaffected: 5.4.296 , ≤ 5.4.* (semver)
Unaffected: 5.10.240 , ≤ 5.10.* (semver)
Unaffected: 5.15.99 , ≤ 5.15.* (semver)
Unaffected: 6.1.16 , ≤ 6.1.* (semver)
Unaffected: 6.2.3 , ≤ 6.2.* (semver)
Unaffected: 6.3 , ≤ * (original_commit_for_fix)
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nVMCI: check context-\u003enotify_page after call to get_user_pages_fast() to avoid GPF\n\nThe call to get_user_pages_fast() in vmci_host_setup_notify() can return\nNULL context-\u003enotify_page causing a GPF. To avoid GPF check if\ncontext-\u003enotify_page == NULL and return error if so.\n\ngeneral protection fault, probably for non-canonical address\n    0xe0009d1000000060: 0000 [#1] PREEMPT SMP KASAN NOPTI\nKASAN: maybe wild-memory-access in range [0x0005088000000300-\n    0x0005088000000307]\nCPU: 2 PID: 26180 Comm: repro_34802241 Not tainted 6.1.0-rc4 #1\nHardware name: Red Hat KVM, BIOS 1.15.0-2.module+el8.6.0 04/01/2014\nRIP: 0010:vmci_ctx_check_signal_notify+0x91/0xe0\nCall Trace:\n \u003cTASK\u003e\n vmci_host_unlocked_ioctl+0x362/0x1f40\n __x64_sys_ioctl+0x1a1/0x230\n do_syscall_64+0x3a/0x90\n entry_SYSCALL_64_after_hwframe+0x63/0xcd"
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