CVE-2023-53259
VMCI: check context->notify_page after call to get_user_pages_fast() to avoid GPF
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
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
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Analyzed | 3.1 | High7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.15% · top 96% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.1.
Weakness
Affected products
- affected a1d88436d53a75e950db15834b3d2f8c0c358fdc – < b4239bfb260d1e6837766c41a0b241d7670f1402
- affected a1d88436d53a75e950db15834b3d2f8c0c358fdc – < d4198f67e7556b1507f14f60d81a72660e5560e4
- affected a1d88436d53a75e950db15834b3d2f8c0c358fdc – < a3c89e8c69a58f62451c0a75b77fcab25979b897
- affected a1d88436d53a75e950db15834b3d2f8c0c358fdc – < 055891397f530f9b1b22be38d7eca8b08382941f
- affected a1d88436d53a75e950db15834b3d2f8c0c358fdc – < 91b8e4f61f8f4594ee65368c8d89e6fdc29d3fb1
- affected a1d88436d53a75e950db15834b3d2f8c0c358fdc – < 1a726cb47fd204109c767409fa9ca15a96328f14
- affected 4.0
- unaffected < 4.0
- unaffected 5.4.296 – ≤ 5.4.*
- unaffected 5.10.240 – ≤ 5.10.*
- unaffected 5.15.99 – ≤ 5.15.*
- unaffected 6.1.16 – ≤ 6.1.*
- unaffected 6.2.3 – ≤ 6.2.*
- unaffected 6.3 – ≤ *
References (7)
- https://git.kernel.org/stable/c/b4239bfb260d1e6837766c41a0b241d7670f1402 (opens in a new tab)
- https://git.kernel.org/stable/c/d4198f67e7556b1507f14f60d81a72660e5560e4 (opens in a new tab)
- https://git.kernel.org/stable/c/a3c89e8c69a58f62451c0a75b77fcab25979b897 (opens in a new tab)
- https://git.kernel.org/stable/c/055891397f530f9b1b22be38d7eca8b08382941f (opens in a new tab)
- https://git.kernel.org/stable/c/91b8e4f61f8f4594ee65368c8d89e6fdc29d3fb1 (opens in a new tab)
- https://git.kernel.org/stable/c/1a726cb47fd204109c767409fa9ca15a96328f14 (opens in a new tab)
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2023-53259)Record last updated .