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CVE-2025-38259— ASoC: codecs: wcd9335: Fix missing free of regulator supplies

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wcd9335编解码器未释放调节器资源，可能导致资源泄漏。

AI Predicted 5.0 Difficulty: Moderate EPSS 0.18% · P7

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 12

VendorProduct Version RangeStatus
Linux Linux 20aedafdf4926e7a957f8b302a18c8fb75c7e332< edadaf4239c14dc8a19ea7f60b97d5524d93c29b affected
20aedafdf4926e7a957f8b302a18c8fb75c7e332< 9830ef1803a5bc50b4a984a06cf23142cd46229d affected
20aedafdf4926e7a957f8b302a18c8fb75c7e332< a8795f3cd289cd958f6396a1b43ba46fa8e22a2e affected
20aedafdf4926e7a957f8b302a18c8fb75c7e332< b86280aaa23c1c0f31bcaa600d35ddc45bc38b7a affected
20aedafdf4926e7a957f8b302a18c8fb75c7e332< 9079db287fc3e38e040b0edeb0a25770bb679c8e affected
5.1 affected
< 5.1 unaffected
6.1.143≤ 6.1.* unaffected
… +4 more rows
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I. Basic Information for CVE-2025-38259

Vulnerability Information
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Vulnerability Title
ASoC: codecs: wcd9335: Fix missing free of regulator supplies
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ASoC: codecs: wcd9335: Fix missing free of regulator supplies Driver gets and enables all regulator supplies in probe path (wcd9335_parse_dt() and wcd9335_power_on_reset()), but does not cleanup in final error paths and in unbind (missing remove() callback). This leads to leaked memory and unbalanced regulator enable count during probe errors or unbind. Fix this by converting entire code into devm_regulator_bulk_get_enable() which also greatly simplifies the code.
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wcd9335编解码器未释放调节器资源，可能导致资源泄漏。
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 20aedafdf4926e7a957f8b302a18c8fb75c7e332 ~ edadaf4239c14dc8a19ea7f60b97d5524d93c29b -
Linux Linux 5.1 -

II. Public POCs for CVE-2025-38259

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III. Intelligence Information for CVE-2025-38259

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Same Patch Batch · Linux · 2025-07-09 · 26 CVEs total

CVE-2025-38264 9.8 CRITICAL nvme-tcp: sanitize request list handling
CVE-2025-38246 9.8 CRITICAL bnxt: properly flush XDP redirect lists
CVE-2025-38253 8.8 HIGH HID: wacom: fix crash in wacom_aes_battery_handler()
CVE-2025-38238 8.8 HIGH scsi: fnic: Fix crash in fnic_wq_cmpl_handler when FDMI times out
CVE-2025-38252 7.8 HIGH cxl/ras: Fix CPER handler device confusion
CVE-2025-38261 7.8 HIGH riscv: save the SR_SUM status over switches
CVE-2025-38262 7.8 HIGH tty: serial: uartlite: register uart driver in init
CVE-2025-38250 7.8 HIGH Bluetooth: hci_core: Fix use-after-free in vhci_flush()
CVE-2025-38242 7.8 HIGH mm: userfaultfd: fix race of userfaultfd_move and swap cache
CVE-2025-38248 7.8 HIGH bridge: mcast: Fix use-after-free during router port configuration
CVE-2025-38244 7.5 HIGH smb: client: fix potential deadlock when reconnecting channels
CVE-2025-38239 7.3 HIGH scsi: megaraid_sas: Fix invalid node index
CVE-2025-38257 7.3 HIGH s390/pkey: Prevent overflow in size calculation for memdup_user()
CVE-2025-38255 lib/group_cpus: fix NULL pointer dereference from group_cpus_evenly()
CVE-2025-38263 bcache: fix NULL pointer in cache_set_flush()
CVE-2025-38241 mm/shmem, swap: fix softlockup with mTHP swapin
CVE-2025-38260 btrfs: handle csum tree error with rescue=ibadroots correctly
CVE-2025-38258 mm/damon/sysfs-schemes: free old damon_sysfs_scheme_filter->memcg_path on write
CVE-2025-38256 io_uring/rsrc: fix folio unpinning
CVE-2025-38254 drm/amd/display: Add sanity checks for drm_edid_raw()

Showing top 20 of 26 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-38259

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