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CVE-2026-43480— ASoC: amd: acp3x-rt5682-max9836: Add missing error check for clock acquisition

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acp3x_5682_init函数未检查clk_get的返回值，可能导致在rt5682_clk_enable中解引用错误指针。

AI Predicted 5.5 Difficulty: Easy EPSS 0.16% · P5

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 6b8e4e7db3cd236a2cbb720360fb135087a2ac1d< 2dc43ac8da7b2bebc5a51a3d86a6275d78f27cff affected
6b8e4e7db3cd236a2cbb720360fb135087a2ac1d< 4d802f23fcbfec05134653fd001f6c7c3fd55196 affected
6b8e4e7db3cd236a2cbb720360fb135087a2ac1d< 2b0c4a399c8d27f20ecf17dda76751141d6dbb59 affected
6b8e4e7db3cd236a2cbb720360fb135087a2ac1d< 35c7624d30cb45ec336cd16ce072acc32ae351cb affected
6b8e4e7db3cd236a2cbb720360fb135087a2ac1d< 33de168afdd57265a0e0c20dbd3648a2d8f7cdc4 affected
6b8e4e7db3cd236a2cbb720360fb135087a2ac1d< 790851ecc983c719fa2e6adb17b02f3acc1d217d affected
6b8e4e7db3cd236a2cbb720360fb135087a2ac1d< 092522621901b5e6af61db04a53f5b313903c6d0 affected
6b8e4e7db3cd236a2cbb720360fb135087a2ac1d< 53f3a900e9a383d47af7253076e19f510c5708d0 affected
… +10 more rows
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I. Basic Information for CVE-2026-43480

Vulnerability Information
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Vulnerability Title
ASoC: amd: acp3x-rt5682-max9836: Add missing error check for clock acquisition
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ASoC: amd: acp3x-rt5682-max9836: Add missing error check for clock acquisition The acp3x_5682_init() function did not check the return value of clk_get(), which could lead to dereferencing error pointers in rt5682_clk_enable(). Fix this by: 1. Changing clk_get() to the device-managed devm_clk_get(). 2. Adding proper IS_ERR() checks for both clock acquisitions.
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acp3x_5682_init函数未检查clk_get的返回值，可能导致在rt5682_clk_enable中解引用错误指针。
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 6b8e4e7db3cd236a2cbb720360fb135087a2ac1d ~ 2dc43ac8da7b2bebc5a51a3d86a6275d78f27cff -
Linux Linux 5.7 -

II. Public POCs for CVE-2026-43480

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III. Intelligence Information for CVE-2026-43480

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Patches & Fixes for CVE-2026-43480 (8)

Same Patch Batch · Linux · 2026-05-13 · 14 CVEs total

CVE-2026-43481 7.8 HIGH net-shapers: don't free reply skb after genlmsg_reply()
CVE-2026-43476 7.8 HIGH iio: chemical: sps30_i2c: fix buffer size in sps30_i2c_read_meas()
CVE-2026-43489 liveupdate: luo_file: remember retrieve() status
CVE-2026-43487 ata: libata-core: Disable LPM on ST1000DM010-2EP102
CVE-2026-43488 usb: xhci: Prevent interrupt storm on host controller error (HCE)
CVE-2026-43485 nouveau/gsp: drop WARN_ON in ACPI probes
CVE-2026-43486 arm64: contpte: fix set_access_flags() no-op check for SMMU/ATS faults
CVE-2026-43484 mmc: core: Avoid bitfield RMW for claim/retune flags
CVE-2026-43482 sched_ext: Disable preemption between scx_claim_exit() and kicking helper work
CVE-2026-43483 KVM: SVM: Set/clear CR8 write interception when AVIC is (de)activated
CVE-2026-43479 net: usb: lan78xx: fix WARN in __netif_napi_del_locked on disconnect
CVE-2026-43477 drm/i915/vrr: Configure VRR timings after enabling TRANS_DDI_FUNC_CTL
CVE-2026-43478 ASoC: codecs: rt1011: Use component to get the dapm context in spk_mode_put

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-43480

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