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CVE-2026-93244— drm/sysfb: simpledrm: Improve stride validation

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： drm/sysfb: simpledrm: 改进步幅（stride）验证 将计算得到的步幅与最大整数值 INT_MAX 进行比较，以验证其有效性。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.19% · P8

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 10

VendorProduct Version RangeStatus
Linux Linux 7bfa5c7b28d66d89daf0808bf36ab7fe0e9e93a1< b09d27caf49ff584dbafdba3bb95487a75cb8824 affected
7bfa5c7b28d66d89daf0808bf36ab7fe0e9e93a1< 6892f0a2f6b5990b9572ba043dd14dd4df6bb3f0 affected
7bfa5c7b28d66d89daf0808bf36ab7fe0e9e93a1< bbdc6761c55662fb9ddf5ab580acb616131998fe affected
7bfa5c7b28d66d89daf0808bf36ab7fe0e9e93a1< df6533f11688aa30be3bb883c7637f4ffdbb7cbd affected
6.1 affected
< 6.1 unaffected
6.12.112≤ 6.12.* unaffected
6.18.51≤ 6.18.* unaffected
… +2 more rows
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I. Basic Information for CVE-2026-93244

Vulnerability Information
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Vulnerability Title
drm/sysfb: simpledrm: Improve stride validation
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/sysfb: simpledrm: Improve stride validation Validate the computed stride against the maximum value INT_MAX.
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 7bfa5c7b28d66d89daf0808bf36ab7fe0e9e93a1 ~ b09d27caf49ff584dbafdba3bb95487a75cb8824 -
Linux Linux 6.1 -

II. Public POCs for CVE-2026-93244

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-93244

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Patches & Fixes for CVE-2026-93244 (4)

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-2026-97509 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-2026-93221 8.1 HIGH nfsd: convert nfsd_net boolean flags to unsigned long flags word
CVE-2026-93786 8.1 HIGH ksmbd: preserve VFS inherited POSIX ACL mask

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-2026-93244

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