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CVE-2025-71287— memory: mtk-smi: fix device leak on larb probe

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于mtk-smi内存驱动在larb探测时未正确释放设备引用，可能导致设备泄漏。

AI Predicted 5.5 Difficulty: Easy EPSS 0.13% · P2

Possible ATT&CK Techniques 1 AI

T1564.008 · Email Hiding Rules

Affected Version Matrix 16

VendorProduct Version RangeStatus
Linux Linux cc8bbe1a83128ad06457e4dc69907c4f9a6fc1a7< 04057b86fdac3d4847913a97dc6552c0bff9b85e affected
cc8bbe1a83128ad06457e4dc69907c4f9a6fc1a7< 357e16a7fc9c1fef2ea37dce9bb6b9bcb1d1687d affected
cc8bbe1a83128ad06457e4dc69907c4f9a6fc1a7< b9eccd59697f7e1cb9a714501d9af826e7f7e073 affected
cc8bbe1a83128ad06457e4dc69907c4f9a6fc1a7< 1f23a48ff2b8ab47e514f7c84a4b1dbf9b848168 affected
cc8bbe1a83128ad06457e4dc69907c4f9a6fc1a7< f69535b77fa0518ad39870c00dd2995439ed5c34 affected
cc8bbe1a83128ad06457e4dc69907c4f9a6fc1a7< 1288bb394d464975cea18f69940f206e235e0fe7 affected
cc8bbe1a83128ad06457e4dc69907c4f9a6fc1a7< 9dae65913b32d05dbc8ff4b8a6bf04a0e49a8eb6 affected
4.6 affected
… +8 more rows
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I. Basic Information for CVE-2025-71287

Vulnerability Information
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Vulnerability Title
memory: mtk-smi: fix device leak on larb probe
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: memory: mtk-smi: fix device leak on larb probe Make sure to drop the reference taken when looking up the SMI device during larb probe on late probe failure (e.g. probe deferral) and on driver unbind.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于mtk-smi内存驱动在larb探测时未正确释放设备引用，可能导致设备泄漏。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux cc8bbe1a83128ad06457e4dc69907c4f9a6fc1a7 ~ 04057b86fdac3d4847913a97dc6552c0bff9b85e -
Linux Linux 4.6 -

II. Public POCs for CVE-2025-71287

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III. Intelligence Information for CVE-2025-71287

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Patches & Fixes for CVE-2025-71287 (7)

Same Patch Batch · Linux · 2026-05-06 · 224 CVEs total

CVE-2026-43186 9.8 CRITICAL ipv6: ioam: fix heap buffer overflow in __ioam6_fill_trace_data()
CVE-2026-43185 9.8 CRITICAL ksmbd: fix signededness bug in smb_direct_prepare_negotiation()
CVE-2026-43125 9.8 CRITICAL dlm: validate length in dlm_search_rsb_tree
CVE-2026-43208 9.8 CRITICAL net: do not pass flow_id to set_rps_cpu()
CVE-2026-43198 9.8 CRITICAL tcp: fix potential race in tcp_v6_syn_recv_sock()
CVE-2026-43114 9.4 CRITICAL netfilter: nft_set_pipapo_avx2: don't return non-matching entry on expiry
CVE-2026-43117 9.1 CRITICAL btrfs: tracepoints: get correct superblock from dentry in event btrfs_sync_file()
CVE-2026-43083 9.1 CRITICAL net: ioam6: fix OOB and missing lock
CVE-2026-43197 9.1 CRITICAL netconsole: avoid OOB reads, msg is not nul-terminated
CVE-2026-43232 8.8 HIGH net: wan: farsync: Fix use-after-free bugs caused by unfinished tasklets
CVE-2026-43215 8.8 HIGH cifs: Fix locking usage for tcon fields
CVE-2026-43112 8.8 HIGH fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath
CVE-2026-43113 8.8 HIGH wifi: wl1251: validate packet IDs before indexing tx_frames
CVE-2026-43187 8.8 HIGH xfs: delete attr leaf freemap entries when empty
CVE-2026-43110 8.8 HIGH wifi: brcmfmac: validate bsscfg indices in IF events
CVE-2026-43176 8.8 HIGH wifi: rtw89: pci: validate release report content before using for RTL8922DE
CVE-2026-43239 8.8 HIGH smb: client: prevent races in ->query_interfaces()
CVE-2026-43249 8.8 HIGH 9p/xen: protect xen_9pfs_front_free against concurrent calls
CVE-2026-43172 8.8 HIGH wifi: iwlwifi: fix 22000 series SMEM parsing
CVE-2026-43158 8.8 HIGH xfs: fix freemap adjustments when adding xattrs to leaf blocks

Showing top 20 of 224 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-71287

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