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CVE-2026-53347— drm/virtio: Fix driver removal with disabled KMS

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基金会开源的一款操作系统内核。 Linux kernel 6.4版本存在安全漏洞，该漏洞源于禁用KMS时访问未初始化数据，可能导致驱动移除或解除绑定时内核崩溃。

AI Predicted 6.5 Difficulty: Moderate EPSS 0.12% · P2

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 12

VendorProduct Version RangeStatus
Linux Linux 72122c69d71784e390527819754ea456421c4501< ed3e134700a2e07caa99b9bc0683ebbe0327c562 affected
72122c69d71784e390527819754ea456421c4501< 38a5f891cda6d121c149c94cda89c31ec7024ee3 affected
72122c69d71784e390527819754ea456421c4501< 19a6a00ff50c284f3a9818882ad2be58b33b790a affected
72122c69d71784e390527819754ea456421c4501< 15e561869a8b4e4db69733be1d6f33770664f989 affected
72122c69d71784e390527819754ea456421c4501< f329e8325e054bd6d84d10904f8dd51137281b92 affected
6.4 affected
< 6.4 unaffected
6.6.143≤ 6.6.* unaffected
… +4 more rows
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I. Basic Information for CVE-2026-53347

Vulnerability Information
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Vulnerability Title
drm/virtio: Fix driver removal with disabled KMS
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/virtio: Fix driver removal with disabled KMS DRM atomic and modesetting aren't initialized if virtio-gpu driver built with disabled KMS, leading to access of uninitialized data on driver removal/unbinding and crashing kernel. Fix it by skipping shutting down atomic core with unavailable KMS.
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基金会开源的一款操作系统内核。 Linux kernel 6.4版本存在安全漏洞，该漏洞源于禁用KMS时访问未初始化数据，可能导致驱动移除或解除绑定时内核崩溃。
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 72122c69d71784e390527819754ea456421c4501 ~ ed3e134700a2e07caa99b9bc0683ebbe0327c562 -
Linux Linux 6.4 -

II. Public POCs for CVE-2026-53347

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III. Intelligence Information for CVE-2026-53347

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Patches & Fixes for CVE-2026-53347 (5)

Same Patch Batch · Linux · 2026-07-01 · 31 CVEs total

CVE-2026-53355 9.8 CRITICAL net: rds: clear i_sends on setup unwind
CVE-2026-53354 8.8 HIGH arm64: errata: Mitigate TLBI errata on various Arm CPUs
CVE-2026-53341 7.8 HIGH fhandle: fix UAF due to unlocked ->mnt_ns read in may_decode_fh()
CVE-2026-53356 7.8 HIGH drm/i915/gem: Fix phys BO pread/pwrite with offset
CVE-2026-53329 7.0 HIGH drm/amd/display: Use krealloc_array() in dal_vector_reserve()
CVE-2026-53343 ARM: 9475/1: entry: use byte load for KASAN VMAP stack shadow
CVE-2026-53326 debugobjects: Don't call fill_pool() in early boot hardirq context
CVE-2026-53328 sched_ext: Don't warn on NULL cgrp_moving_from in scx_cgroup_move_task()
CVE-2026-53353 hsr: Remove WARN_ONCE() in hsr_addr_is_self().
CVE-2026-53330 drm/amd/display: Fix out-of-bounds read in dp_get_eq_aux_rd_interval()
CVE-2026-53352 signal: clear JOBCTL_PENDING_MASK for caller in zap_other_threads()
CVE-2026-53351 riscv/ptrace: Use USER_REGSET_NOTE_TYPE for REGSET_CFI
CVE-2026-53350 ASoC: wm_adsp: Fix NULL dereference when removing firmware controls
CVE-2026-53348 ASoC: SDCA: fix NULL pointer dereference in sdca_dev_unregister_functions
CVE-2026-53349 netfilter: nf_conntrack: destroy stale expectfn expectations on unregister
CVE-2026-53346 rust: arm64: set uwtable llvm module flag for CONFIG_UNWIND_TABLES
CVE-2026-53344 pinctrl: mcp23s08: Initialize mcp->dev and mcp->addr before regmap init
CVE-2026-53345 KVM: Don't WARN if memory is dirtied without a vCPU when the VM is dying
CVE-2026-53342 arm64: mm: call pagetable dtor when freeing hot-removed page tables
CVE-2026-53327 debugobjects: Do not fill_pool() if pi_blocked_on

Showing top 20 of 31 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-53347

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