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CVE-2023-53666— ASoC: codecs: wcd938x: fix missing mbhc init error handling

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，该漏洞源于缺少MBHC初始化错误处理，可能导致空指针取消引用。

AI Predicted 4.4 Difficulty: Easy EPSS 0.14% · P3

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 10

VendorProduct Version RangeStatus
Linux Linux bcee7ed09b8e70b65d5c04f5d1acd2cf4213c2f3< 5a34d252052b5da743ef82591c860fc947384d4e affected
bcee7ed09b8e70b65d5c04f5d1acd2cf4213c2f3< bb241ae928c694e365c30c888c9eb02dcc812dfd affected
bcee7ed09b8e70b65d5c04f5d1acd2cf4213c2f3< 31ee704c84c4bf4df8521ef1478c161f710d0f94 affected
bcee7ed09b8e70b65d5c04f5d1acd2cf4213c2f3< 7dfae2631bfbdebecd35fe7b472ab3cc95c9ed66 affected
5.15 affected
< 5.15 unaffected
5.15.123≤ 5.15.* unaffected
6.1.42≤ 6.1.* unaffected
… +2 more rows
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I. Basic Information for CVE-2023-53666

Vulnerability Information
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Vulnerability Title
ASoC: codecs: wcd938x: fix missing mbhc init error handling
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ASoC: codecs: wcd938x: fix missing mbhc init error handling MBHC initialisation can fail so add the missing error handling to avoid dereferencing an error pointer when later configuring the jack: Unable to handle kernel paging request at virtual address fffffffffffffff8 pc : wcd_mbhc_start+0x28/0x380 [snd_soc_wcd_mbhc] lr : wcd938x_codec_set_jack+0x28/0x48 [snd_soc_wcd938x] Call trace: wcd_mbhc_start+0x28/0x380 [snd_soc_wcd_mbhc] wcd938x_codec_set_jack+0x28/0x48 [snd_soc_wcd938x] snd_soc_component_set_jack+0x28/0x8c [snd_soc_core] qcom_snd_wcd_jack_setup+0x7c/0x19c [snd_soc_qcom_common] sc8280xp_snd_init+0x20/0x2c [snd_soc_sc8280xp] snd_soc_link_init+0x28/0x90 [snd_soc_core] snd_soc_bind_card+0x628/0xbfc [snd_soc_core] snd_soc_register_card+0xec/0x104 [snd_soc_core] devm_snd_soc_register_card+0x4c/0xa4 [snd_soc_core] sc8280xp_platform_probe+0xf0/0x108 [snd_soc_sc8280xp]
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，该漏洞源于缺少MBHC初始化错误处理，可能导致空指针取消引用。
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 bcee7ed09b8e70b65d5c04f5d1acd2cf4213c2f3 ~ 5a34d252052b5da743ef82591c860fc947384d4e -
Linux Linux 5.15 -

II. Public POCs for CVE-2023-53666

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III. Intelligence Information for CVE-2023-53666

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Patches & Fixes for CVE-2023-53666 (4)

Same Patch Batch · Linux · 2025-10-07 · 118 CVEs total

CVE-2023-53629 9.8 CRITICAL fs: dlm: fix use after free in midcomms commit
CVE-2023-53673 8.8 HIGH Bluetooth: hci_event: call disconnect callback before deleting conn
CVE-2023-53675 8.8 HIGH scsi: ses: Fix possible desc_ptr out-of-bounds accesses
CVE-2023-53676 8.8 HIGH scsi: target: iscsi: Fix buffer overflow in lio_target_nacl_info_show()
CVE-2023-53630 8.8 HIGH iommufd: Fix unpinning of pages when an access is present
CVE-2023-53679 8.3 HIGH wifi: mt7601u: fix an integer underflow
CVE-2023-53635 8.2 HIGH netfilter: conntrack: fix wrong ct->timeout value
CVE-2022-50528 7.8 HIGH drm/amdkfd: Fix memory leakage
CVE-2023-53659 7.8 HIGH iavf: Fix out-of-bounds when setting channels on remove
CVE-2023-53660 7.8 HIGH bpf, cpumap: Handle skb as well when clean up ptr_ring
CVE-2023-53619 7.8 HIGH netfilter: conntrack: Avoid nf_ct_helper_hash uses after free
CVE-2023-53643 7.8 HIGH nvme-tcp: don't access released socket during error recovery
CVE-2023-53645 7.8 HIGH bpf: Make bpf_refcount_acquire fallible for non-owning refs
CVE-2023-53646 7.8 HIGH drm/i915/perf: add sentinel to xehp_oa_b_counters
CVE-2023-53669 7.8 HIGH tcp: fix skb_copy_ubufs() vs BIG TCP
CVE-2023-53626 7.8 HIGH ext4: fix possible double unlock when moving a directory
CVE-2023-53627 7.8 HIGH scsi: hisi_sas: Grab sas_dev lock when traversing the members of sas_dev.list
CVE-2022-50517 7.8 HIGH mm/huge_memory: do not clobber swp_entry_t during THP split
CVE-2022-50518 7.8 HIGH parisc: Fix locking in pdc_iodc_print() firmware call
CVE-2022-50543 7.8 HIGH RDMA/rxe: Fix mr->map double free

Showing top 20 of 118 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2023-53666

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