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CVE-2026-43478— ASoC: codecs: rt1011: Use component to get the dapm context in spk_mode_put

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rt1011_recv_spk_mode_put函数使用了错误的辅助函数获取DAPM上下文，可能导致空指针引用。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.14% · P3

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 6

VendorProduct Version RangeStatus
Linux Linux 5b35bb517f27fc2401ec3cfd8c02a127627a0188< b10b2b15b45923ff2807eeb034d91a39b0a3e690 affected
5b35bb517f27fc2401ec3cfd8c02a127627a0188< 30e4b2290cc2a8d1b9ddb9dcb9c981df1f2a7399 affected
6.19 affected
< 6.19 unaffected
6.19.9≤ 6.19.* unaffected
7.0≤ * unaffected
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I. Basic Information for CVE-2026-43478

Vulnerability Information
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Vulnerability Title
ASoC: codecs: rt1011: Use component to get the dapm context in spk_mode_put
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ASoC: codecs: rt1011: Use component to get the dapm context in spk_mode_put The correct helper to use in rt1011_recv_spk_mode_put() to retrieve the DAPM context is snd_soc_component_to_dapm(), from kcontrol we will receive NULL pointer.
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rt1011_recv_spk_mode_put函数使用了错误的辅助函数获取DAPM上下文，可能导致空指针引用。
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 5b35bb517f27fc2401ec3cfd8c02a127627a0188 ~ b10b2b15b45923ff2807eeb034d91a39b0a3e690 -
Linux Linux 6.19 -

II. Public POCs for CVE-2026-43478

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III. Intelligence Information for CVE-2026-43478

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Patches & Fixes for CVE-2026-43478 (2)

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

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-43478

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