CVE-2025-71118In the Linux kernel, the following vulnerability has been resolved: ACPICA: Avoid walking the Namespace if start_node is NULL Although commit 0c9992315e73 ("ACPICA: Avoid walking the ACPI Namespace i…
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In the Linux kernel, the following vulnerability has been resolved: ACPICA: Avoid walking the Namespace if start_node is NULL Although commit 0c9992315e73 ("ACPICA: Avoid walking the ACPI Namespace if it is not there") fixed the situation when both start_node and acpi_gbl_root_node are NULL, the Linux kernel mainline now still crashed on Honor Magicbook 14 Pro [1]. That happens due to the access to the member of parent_node in acpi_ns_get_next_node(). The NULL pointer dereference will always happen, no matter whether or not the start_node is equal to ACPI_ROOT_OBJECT, so move the check of start_node being NULL out of the if block. Unfortunately, all the attempts to contact Honor have failed, they refused to provide any technical support for Linux. The bad DSDT table's dump could be found on GitHub [2]. DMI: HONOR FMB-P/FMB-P-PCB, BIOS 1.13 05/08/2025 [ rjw: Subject adjustment, changelog edits ]
- CVSS
- 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-476
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
linux linux_kernel linux:linux_kernel | from 2.6.12.1 before 5.10.248; from 5.11 before 5.15.198; from 5.16 before 6.1.160; from 6.2 before 6.6.120; from 6.7 before 6.12.64; from 6.13 before 6.18.3; 2.6.12; 2.6.12; and 11 more ranges | NVD |
References
- https://git.kernel.org/stable/c/0d8bb08126920fd4b12dbf32d9250757c9064b36patch
- https://git.kernel.org/stable/c/1bc34293dfbd266c29875206849b4f8e8177e6dfpatch
- https://git.kernel.org/stable/c/7f9b951ed11842373851dd3c91860778356d62d3patch
- https://git.kernel.org/stable/c/9d6c58dae8f6590c746ac5d0012ffe14a77539f0patch
- https://git.kernel.org/stable/c/b84edef48cc8afb41150949a87dcfa81bc95b53epatch
- https://git.kernel.org/stable/c/ecb296286c8787895625bd4c53e9478db4ae139cpatch
- https://git.kernel.org/stable/c/f91dad0a3b381244183ffbea4cec5a7a69d6f41epatch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.