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CVE-2026-93788— wifi: iwlwifi: acpi: validate WGDS table revision index

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，已修复以下漏洞： wifi: iwlwifi: acpi: 验证 WGDS 表修订版索引 在计算 BIT(tbl_rev) 之前，先检查 tbl_rev 的边界值，以避免当固件报告无效的修订版值时发生未定义的移位操作。

AI Predicted 5.3 Difficulty: Theoretical EPSS 0.17% · P6

Possible ATT&CK Techniques 1 AI

T1200 · Hardware Additions

Affected Version Matrix 12

VendorProduct Version RangeStatus
Linux Linux 97f8a3d1610b1f50013de1e632b007cbfd7459d8< 4f2ec7a0b3ff148cb13e14cb26ac43523df8b9f5 affected
97f8a3d1610b1f50013de1e632b007cbfd7459d8< 9096509e63ddd349eb075ec447d1a714e87e17a4 affected
97f8a3d1610b1f50013de1e632b007cbfd7459d8< 2fc98ab6fe8acabd13eb09dc17426a33cf9f27f7 affected
97f8a3d1610b1f50013de1e632b007cbfd7459d8< 346a558491241cbe8fef82b3d8f62d1a6b6bf61f affected
97f8a3d1610b1f50013de1e632b007cbfd7459d8< 954e821f42aaca56073ca830c5fd4bcf1a89048c affected
5.16 affected
< 5.16 unaffected
6.1.189≤ 6.1.* unaffected
… +4 more rows
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I. Basic Information for CVE-2026-93788

Vulnerability Information
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Vulnerability Title
wifi: iwlwifi: acpi: validate WGDS table revision index
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: acpi: validate WGDS table revision index Check tbl_rev bounds before BIT(tbl_rev) to avoid undefined shifts when firmware reports an invalid revision value.
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 97f8a3d1610b1f50013de1e632b007cbfd7459d8 ~ 4f2ec7a0b3ff148cb13e14cb26ac43523df8b9f5 -
Linux Linux 5.16 -

II. Public POCs for CVE-2026-93788

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III. Intelligence Information for CVE-2026-93788

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Patches & Fixes for CVE-2026-93788 (5)

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-2026-97442 8.8 HIGH wifi: ath11k: fix invalid data access in ath11k_dp_rx_h_undecap_nwifi
CVE-2026-93806 8.8 HIGH wifi: cfg80211: validate assoc response length before status and IE access
CVE-2026-97509 8.8 HIGH thunderbolt: Keep XDomain reference during the lifetime of a service
CVE-2026-97409 8.8 HIGH nvme-fc: Do not cancel requests in io target before it is initialized
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-2026-93224 8.1 HIGH svcrdma: Fix unmatched rn_unregister on failed accept
CVE-2026-93787 8.1 HIGH smb: client: bound dirent name against end of SMB response in cifs_filldir

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

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

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