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CVE-2026-68446— drm/vmwgfx: Validate vmw_surface_metadata::array_size

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基金会开源的一个操作系统内核。 Linux kernel 5.7版本存在安全漏洞，该漏洞源于vmw_surface_metadata的array_size字段来自用户空间但未根据可用的Shader Model进行验证。

CVSS 7.8 · High EPSS 0.12% · P2

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 504901dbb0b565fcbe466b0c56f3131586df5afd< e949adf2d42678fb391a41db277e2fcb12090566 affected
504901dbb0b565fcbe466b0c56f3131586df5afd< 0403cec2aff8037bc246cf9a0831eb169ddcd9df affected
504901dbb0b565fcbe466b0c56f3131586df5afd< aded8463466ede7a7fbd1bbf821756c67c83e89b affected
504901dbb0b565fcbe466b0c56f3131586df5afd< 5ff94e1279176b539d451e3e754fdcbd1a8d520a affected
504901dbb0b565fcbe466b0c56f3131586df5afd< 71779fe8bf403a9b3e28dc59229fa556db32d35d affected
504901dbb0b565fcbe466b0c56f3131586df5afd< b1379f0c42b88cb60b9f3757eb5d1e73ad460ed8 affected
504901dbb0b565fcbe466b0c56f3131586df5afd< 6910ccaf41678f7761ba2e57d72b77d056320b4d affected
504901dbb0b565fcbe466b0c56f3131586df5afd< a4f55260f7f7d4dc4d0ee55063dfb0c457b77991 affected
… +10 more rows
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I. Basic Information for CVE-2026-68446

Vulnerability Information
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Vulnerability Title
drm/vmwgfx: Validate vmw_surface_metadata::array_size
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Validate vmw_surface_metadata::array_size This field comes from userspace and should be validated against specific limits depending on which Shader Model (SM) is available.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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基金会开源的一个操作系统内核。 Linux kernel 5.7版本存在安全漏洞，该漏洞源于vmw_surface_metadata的array_size字段来自用户空间但未根据可用的Shader Model进行验证。
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 504901dbb0b565fcbe466b0c56f3131586df5afd ~ e949adf2d42678fb391a41db277e2fcb12090566 -
Linux Linux 5.7 -

II. Public POCs for CVE-2026-68446

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III. Intelligence Information for CVE-2026-68446

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Patches & Fixes for CVE-2026-68446 (8)

Same Patch Batch · Linux · 2026-08-12 · 22 CVEs total

CVE-2026-68431 9.1 CRITICAL ksmbd: validate minimum PDU size for transform requests
CVE-2026-68432 8.8 HIGH vxlan: require CAP_NET_ADMIN in the device netns for changelink
CVE-2026-68433 8.6 HIGH libceph: bound get_version reply decode to front len
CVE-2026-68445 7.8 HIGH drm/vc4: Prevent shader BO mappings from becoming writable
CVE-2026-68440 7.8 HIGH net: txgbe: fix heap overflow when reading module EEPROM
CVE-2026-68442 7.8 HIGH btrfs: don't propagate EXTENT_FLAG_LOGGING to split extent maps
CVE-2026-68447 7.1 HIGH drm/amdkfd: clamp v9 CRIU control stack checkpoint copy to BO size
CVE-2026-68439 wifi: mt76: mt7925: fix possible NULL-pointer deref in mt7925_mcu_bss_he_tlv()
CVE-2026-68450 btrfs: free mapping node on duplicate reloc root insert
CVE-2026-68449 ata: sata_dwc_460ex: fix infinite loop in NCQ tag completion bit-scanning
CVE-2026-68448 ovl: check access to copy_file_range source with src mounter creds
CVE-2026-68444 firmware: arm_ffa: Fix NULL dereference in ffa_partition_info_get()
CVE-2026-68443 hwmon: (gigabyte_waterforce) Stop device IO before calling hid_hw_stop
CVE-2026-68441 net/sched: Handle TC_ACT_REDIRECT from qdisc filter chains
CVE-2026-68429 drm/dp_mst: Handle torn-down topology gracefully in drm_dp_mst_topology_queue_probe()
CVE-2026-68438 smp: Make CSD lock acquisition atomic for debug mode
CVE-2026-68437 drm/imagination: Fit paired fragment job in the correct CCCB
CVE-2026-68436 drm/amd/display: use kvzalloc to allocate struct dc
CVE-2026-68435 LoongArch: Fix address space mismatch in kexec command line lookup
CVE-2026-68434 serial: 8250_mid: Fix NULL function pointer dereference on DNV/ICX-D/SNR platforms

Showing top 20 of 22 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-68446

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