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CVE-2026-43072— drm/vc4: platform_get_irq_byname() returns an int

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基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于platform_get_irq_byname函数返回值为int类型，未正确检查错误值直接传递给devm_request_threaded_irq函数。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.16% · P5

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 16

VendorProduct Version RangeStatus
Linux Linux f4790083c7c23b419f6a15170556950fd6a884a2< 59ece0d4d1db0cf483c4c51a58691f50ff81d3a2 affected
f4790083c7c23b419f6a15170556950fd6a884a2< 63c11b19cdc154fa848a6c3b535bfb1dc7b60378 affected
f4790083c7c23b419f6a15170556950fd6a884a2< ef2ee9db13b68c5e332b77c0a7108a2d4d56e114 affected
f4790083c7c23b419f6a15170556950fd6a884a2< 0185e0494a561edfc482507f9de89c2ad798b33d affected
f4790083c7c23b419f6a15170556950fd6a884a2< 9c10b83a004442c93d7a484c3d221a06a45821e1 affected
f4790083c7c23b419f6a15170556950fd6a884a2< 0c1b117f7ba46fb8f6ebc5e0bfe5b58568c301ba affected
f4790083c7c23b419f6a15170556950fd6a884a2< e597a809a2b97e927060ba182f58eb3e6101bc70 affected
5.15 affected
… +8 more rows
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I. Basic Information for CVE-2026-43072

Vulnerability Information
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Vulnerability Title
drm/vc4: platform_get_irq_byname() returns an int
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/vc4: platform_get_irq_byname() returns an int platform_get_irq_byname() will return a negative value if an error happens, so it should be checked and not just passed directly into devm_request_threaded_irq() hoping all will be ok.
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基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于platform_get_irq_byname函数返回值为int类型，未正确检查错误值直接传递给devm_request_threaded_irq函数。
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 f4790083c7c23b419f6a15170556950fd6a884a2 ~ 59ece0d4d1db0cf483c4c51a58691f50ff81d3a2 -
Linux Linux 5.15 -

II. Public POCs for CVE-2026-43072

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III. Intelligence Information for CVE-2026-43072

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Patches & Fixes for CVE-2026-43072 (7)

Same Patch Batch · Linux · 2026-05-05 · 15 CVEs total

CVE-2026-43067 9.8 CRITICAL ext4: handle wraparound when searching for blocks for indirect mapped blocks
CVE-2026-43071 9.1 CRITICAL dcache: Limit the minimal number of bucket to two
CVE-2026-43070 7.8 HIGH bpf: Reset register ID for BPF_END value tracking
CVE-2026-43063 7.8 HIGH xfs: don't irele after failing to iget in xfs_attri_recover_work
CVE-2026-43060 7.8 HIGH netfilter: nft_ct: drop pending enqueued packets on removal
CVE-2026-43062 7.1 HIGH Bluetooth: L2CAP: Fix type confusion in l2cap_ecred_reconf_rsp()
CVE-2026-43073 x86-64: rename misleadingly named '__copy_user_nocache()' function
CVE-2026-43069 Bluetooth: hci_ll: Fix firmware leak on error path
CVE-2026-43068 ext4: avoid allocate block from corrupted group in ext4_mb_find_by_goal()
CVE-2026-43066 ext4: fix iloc.bh leak in ext4_fc_replay_inode() error paths
CVE-2026-43065 ext4: always drain queued discard work in ext4_mb_release()
CVE-2026-43064 dmaengine: idxd: Fix not releasing workqueue on .release()
CVE-2026-43061 serial: 8250: Fix TX deadlock when using DMA
CVE-2026-43059 Bluetooth: MGMT: Fix list corruption and UAF in command complete handlers

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-43072

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