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CVE-2022-50427— ALSA: ac97: fix possible memory leak in snd_ac97_dev_register()

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，该漏洞源于设备注册失败时未调用put_device，可能导致内存泄漏。

AI Predicted 5.5 Difficulty: Easy EPSS 0.16% · P5

Possible ATT&CK Techniques 1 AI

T1079

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 0ca06a00e206b963587ac471e6d1c52bf33b9a18< a602ec9d88f177dba78bc97fb1adecc7a71ff279 affected
0ca06a00e206b963587ac471e6d1c52bf33b9a18< 0f8e9a15c8ecf95057061d370a2dddaf1cee4aeb affected
0ca06a00e206b963587ac471e6d1c52bf33b9a18< ee8bf0946f62ef00e5db4b613a9f664ac567259a affected
0ca06a00e206b963587ac471e6d1c52bf33b9a18< 758dbcc6fbf2286eff02743b093c70a18a407d66 affected
0ca06a00e206b963587ac471e6d1c52bf33b9a18< bfce73088682ef0770da951f51156c36a89be490 affected
0ca06a00e206b963587ac471e6d1c52bf33b9a18< 4fdf6f978c6b605ca0d67bf0e982b7a8fc0f4aab affected
0ca06a00e206b963587ac471e6d1c52bf33b9a18< c68b2e9ef246117f696e360bbdd2f5736b3a7127 affected
0ca06a00e206b963587ac471e6d1c52bf33b9a18< 4881bda5ea05c8c240fc8afeaa928e2bc43f61fa affected
… +10 more rows
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I. Basic Information for CVE-2022-50427

Vulnerability Information
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Vulnerability Title
ALSA: ac97: fix possible memory leak in snd_ac97_dev_register()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ALSA: ac97: fix possible memory leak in snd_ac97_dev_register() If device_register() fails in snd_ac97_dev_register(), it should call put_device() to give up reference, or the name allocated in dev_set_name() is leaked.
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，该漏洞源于设备注册失败时未调用put_device，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 0ca06a00e206b963587ac471e6d1c52bf33b9a18 ~ a602ec9d88f177dba78bc97fb1adecc7a71ff279 -
Linux Linux 2.6.14 -

II. Public POCs for CVE-2022-50427

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III. Intelligence Information for CVE-2022-50427

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Same Patch Batch · Linux · 2025-10-01 · 169 CVEs total

CVE-2023-53517 9.8 CRITICAL tipc: do not update mtu if msg_max is too small in mtu negotiation
CVE-2025-39919 8.8 HIGH wifi: mt76: mt7996: add missing check for rx wcid entries
CVE-2025-39918 8.8 HIGH wifi: mt76: fix linked list corruption
CVE-2023-53454 8.8 HIGH HID: multitouch: Correct devm device reference for hidinput input_dev name
CVE-2022-50442 8.4 HIGH fs/ntfs3: Validate buffer length while parsing index
CVE-2023-53493 8.4 HIGH accel/qaic: tighten bounds checking in decode_message()
CVE-2023-53492 7.8 HIGH netfilter: nf_tables: do not ignore genmask when looking up chain by id
CVE-2025-39924 7.8 HIGH erofs: fix invalid algorithm for encoded extents
CVE-2023-53510 7.8 HIGH scsi: ufs: core: Fix handling of lrbp->cmd
CVE-2025-39927 7.8 HIGH ceph: fix race condition validating r_parent before applying state
CVE-2023-53506 7.8 HIGH udf: Do not bother merging very long extents
CVE-2022-50421 7.8 HIGH rpmsg: char: Avoid double destroy of default endpoint
CVE-2022-50423 7.8 HIGH ACPICA: Fix use-after-free in acpi_ut_copy_ipackage_to_ipackage()
CVE-2023-53504 7.8 HIGH RDMA/bnxt_re: Properly order ib_device_unalloc() to avoid UAF
CVE-2023-53495 7.8 HIGH net: ethernet: mvpp2_main: fix possible OOB write in mvpp2_ethtool_get_rxnfc()
CVE-2023-53494 7.8 HIGH crypto: xts - Handle EBUSY correctly
CVE-2022-50437 7.8 HIGH drm/msm/hdmi: fix memory corruption with too many bridges
CVE-2023-53478 7.8 HIGH tracing/synthetic: Fix races on freeing last_cmd
CVE-2023-53481 7.8 HIGH ubi: ubi_wl_put_peb: Fix infinite loop when wear-leveling work failed
CVE-2023-53486 7.8 HIGH fs/ntfs3: Enhance the attribute size check

Showing top 20 of 169 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

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