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CVE-2023-53724— mfd: pcf50633-adc: Fix potential memleak in pcf50633_adc_async_read()

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pcf50633_adc_async_read函数未检查adc_enqueue_request返回值，可能导致内存泄漏。

AI Predicted 3.3 Difficulty: Easy EPSS 0.21% · P11

Possible ATT&CK Techniques 1 AI

T1564.008 · Email Hiding Rules

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 08c3e06a5eb27d43b712adef18379f8464425e71< 66616eed76dfa6f3e442907760325a023c6da7e2 affected
08c3e06a5eb27d43b712adef18379f8464425e71< 41cdf082ae006ea002135dfaf43b2897de3bded8 affected
08c3e06a5eb27d43b712adef18379f8464425e71< 588edb4fb1f1e6487a0f60a5f7b9a24d2d0c9f8e affected
08c3e06a5eb27d43b712adef18379f8464425e71< 3ee13bdf0d25ae8752ae6185b6d13bbb0d5a8e30 affected
08c3e06a5eb27d43b712adef18379f8464425e71< 6a8a02dcfae13ab07dc7bed2b409cec7f3d32e92 affected
08c3e06a5eb27d43b712adef18379f8464425e71< 9cca3a4933ca365cc664d5eefb0f942374ea8b41 affected
08c3e06a5eb27d43b712adef18379f8464425e71< a62a5e79202967176a9c1a04e477860779accd6c affected
08c3e06a5eb27d43b712adef18379f8464425e71< 8b450dcff23aa254844492831a8e2b508a9d522d affected
… +10 more rows
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I. Basic Information for CVE-2023-53724

Vulnerability Information
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Vulnerability Title
mfd: pcf50633-adc: Fix potential memleak in pcf50633_adc_async_read()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: mfd: pcf50633-adc: Fix potential memleak in pcf50633_adc_async_read() `req` is allocated in pcf50633_adc_async_read(), but adc_enqueue_request() could fail to insert the `req` into queue. We need to check the return value and free it in the case of failure.
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pcf50633_adc_async_read函数未检查adc_enqueue_request返回值，可能导致内存泄漏。
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 08c3e06a5eb27d43b712adef18379f8464425e71 ~ 66616eed76dfa6f3e442907760325a023c6da7e2 -
Linux Linux 2.6.29 -

II. Public POCs for CVE-2023-53724

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III. Intelligence Information for CVE-2023-53724

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Same Patch Batch · Linux · 2025-10-22 · 67 CVEs total

CVE-2023-53711 8.2 HIGH NFS: Fix a potential data corruption
CVE-2023-53705 8.2 HIGH ipv6: Fix out-of-bounds access in ipv6_find_tlv()
CVE-2022-50567 7.8 HIGH fs: jfs: fix shift-out-of-bounds in dbAllocAG
CVE-2023-53729 7.8 HIGH soc: qcom: qmi_encdec: Restrict string length in decode
CVE-2023-53698 7.8 HIGH xsk: fix refcount underflow in error path
CVE-2023-53695 7.8 HIGH udf: Detect system inodes linked into directory hierarchy
CVE-2023-53692 7.8 HIGH ext4: fix use-after-free read in ext4_find_extent for bigalloc + inline
CVE-2023-53707 7.8 HIGH drm/amdgpu: Fix integer overflow in amdgpu_cs_pass1
CVE-2022-50570 7.8 HIGH platform/chrome: fix memory corruption in ioctl
CVE-2022-50569 7.8 HIGH xfrm: Update ipcomp_scratches with NULL when freed
CVE-2023-53718 7.8 HIGH ring-buffer: Do not swap cpu_buffer during resize process
CVE-2022-50581 7.8 HIGH hfs: fix OOB Read in __hfs_brec_find
CVE-2023-53713 7.8 HIGH arm64: sme: Use STR P to clear FFR context field in streaming SVE mode
CVE-2023-53726 7.1 HIGH arm64: csum: Fix OoB access in IP checksum code for negative lengths
CVE-2023-53716 net: fix skb leak in __skb_tstamp_tx()
CVE-2023-53708 ACPI: x86: s2idle: Catch multiple ACPI_TYPE_PACKAGE objects
CVE-2023-53706 mm/vmemmap/devdax: fix kernel crash when probing devdax devices
CVE-2023-53704 clk: imx: clk-imx8mp: improve error handling in imx8mp_clocks_probe()
CVE-2023-53712 ARM: 9317/1: kexec: Make smp stop calls asynchronous
CVE-2023-53702 s390/crypto: use vector instructions only if available for ChaCha20

Showing top 20 of 67 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2023-53724

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