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CVE-2026-93213— of: fix out-of-bounds read in of_alias_scan() stem parser

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.

在 Linux 内核中，以下漏洞已得到修复： of: 修复 of_alias_scan() 中 stem 解析器的越界读取问题 stem 解析器在检查 之前，先测试了 ，因此当属性名为空或全为数字时，会在属性名之前读取一个字节。应先检查边界。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.18% · P7

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 611cad720148c899db5a383c1c676fd820df7023< fd0c7bbda81c0e0c1cb7b68d267b87371584f560 affected
611cad720148c899db5a383c1c676fd820df7023< 958d7ee9fcf008ef9d2072c6410ee1bf6abf3b64 affected
611cad720148c899db5a383c1c676fd820df7023< f7f6c3e32a31f2e1ed12075e8cd22b370a84e67a affected
611cad720148c899db5a383c1c676fd820df7023< da7a80ddc610a19b0378016a4d816b9355f013a7 affected
611cad720148c899db5a383c1c676fd820df7023< 96a9c984dd7c3589a2707a32b62802f98311dbfd affected
611cad720148c899db5a383c1c676fd820df7023< 9253cfc5a85be1494ce56b4fc6f2d2b509440910 affected
611cad720148c899db5a383c1c676fd820df7023< acd1b49043366f43e932308b4db7d3ce568eeadb affected
611cad720148c899db5a383c1c676fd820df7023< 5bb01c657ff9fc807c2c592ca18af34c4fc3bc6f affected
… +10 more rows
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I. Basic Information for CVE-2026-93213

Vulnerability Information
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Vulnerability Title
of: fix out-of-bounds read in of_alias_scan() stem parser
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: of: fix out-of-bounds read in of_alias_scan() stem parser The stem parser tests isdigit(*(end - 1)) before checking end > start and so reads one byte before the property name when the name is empty or all digits. Check the bound first.
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

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux 611cad720148c899db5a383c1c676fd820df7023 ~ fd0c7bbda81c0e0c1cb7b68d267b87371584f560 -
Linux Linux 3.2 -

II. Public POCs for CVE-2026-93213

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III. Intelligence Information for CVE-2026-93213

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Patches & Fixes for CVE-2026-93213 (8)

Same Patch Batch · Linux · 2026-09-24 · 234 CVEs total

CVE-2026-93207 9.8 CRITICAL SUNRPC: Zero rpc_gss_wire_cred at svcauth_gss_decode_credbody() entry
CVE-2026-97413 9.8 CRITICAL RDMA/rtrs-srv: Fix integer underflow in process_read and process_write
CVE-2026-93228 9.1 CRITICAL svcrdma: Reject Write/Reply chunks with segcount 0
CVE-2026-93793 8.8 HIGH wifi: iwlwifi: mvm: validate TX_CMD response layout
CVE-2026-93799 8.8 HIGH wifi: iwlwifi: mvm: validate sta_id in BA window status notif
CVE-2026-93790 8.8 HIGH wifi: iwlwifi: mvm: fix out-of-bounds tid_data access in BA notif
CVE-2026-93806 8.8 HIGH wifi: cfg80211: validate assoc response length before status and IE access
CVE-2026-97442 8.8 HIGH wifi: ath11k: fix invalid data access in ath11k_dp_rx_h_undecap_nwifi
CVE-2026-97409 8.8 HIGH nvme-fc: Do not cancel requests in io target before it is initialized
CVE-2026-97509 8.8 HIGH thunderbolt: Keep XDomain reference during the lifetime of a service
CVE-2026-93280 8.8 HIGH greybus: audio: bound the topology section sizes against the fetched size
CVE-2026-93284 8.8 HIGH drm/pagemap: dma-unmap pages before handling migration errors
CVE-2026-97451 8.4 HIGH ACPICA: Fix integer overflow in acpi_ex_opcode_3A_1T_1R() (mid_op)
CVE-2026-97452 8.4 HIGH ACPICA: Prevent adding invalid references
CVE-2026-97455 8.4 HIGH ACPICA: Fix use-after-free in acpi_ds_terminate_control_method()
CVE-2026-97450 8.4 HIGH ACPICA: validate handler object type in two places
CVE-2026-93827 8.4 HIGH virtio-fs: avoid double-free on failed queue setup
CVE-2026-97433 8.2 HIGH nvme: validate FDP configuration descriptor sizes
CVE-2026-93787 8.1 HIGH smb: client: bound dirent name against end of SMB response in cifs_filldir
CVE-2026-93224 8.1 HIGH svcrdma: Fix unmatched rn_unregister on failed accept

Showing top 20 of 234 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-93213

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