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CVE-2022-49538— ALSA: jack: Access input_dev under mutex

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，该漏洞源于在调用snd_jack_report时未在互斥锁下访问input_dev，可能导致空指针取消引用。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.27% · P19

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 20

VendorProduct Version RangeStatus
Linux Linux 32b8544296b944b204b33f9837701d4d0b9adefe< 74bab3bcf422593c582e47130aa8eb41ebb2dc09 affected
32b8544296b944b204b33f9837701d4d0b9adefe< 8487a88136d54a1a4d3f26f1399685db648ab879 affected
32b8544296b944b204b33f9837701d4d0b9adefe< c093b62c40027c21d649c5534ad7aa3605a99b00 affected
32b8544296b944b204b33f9837701d4d0b9adefe< f68bed124c7699e23ffb4ce4fcc84671e9193cde affected
32b8544296b944b204b33f9837701d4d0b9adefe< e2b8681769f6e205382f026b907d28aa5ec9d59a affected
32b8544296b944b204b33f9837701d4d0b9adefe< 5cc6f623f4818c7d7e9e966a45ebf324901ca9c5 affected
32b8544296b944b204b33f9837701d4d0b9adefe< 9e6a73b0c0f2014eb89249fb1640c5a3d58221c4 affected
32b8544296b944b204b33f9837701d4d0b9adefe< 582aea6084cc59fec881204f026816d1219f2348 affected
… +12 more rows
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I. Basic Information for CVE-2022-49538

Vulnerability Information
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Vulnerability Title
ALSA: jack: Access input_dev under mutex
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ALSA: jack: Access input_dev under mutex It is possible when using ASoC that input_dev is unregistered while calling snd_jack_report, which causes NULL pointer dereference. In order to prevent this serialize access to input_dev using mutex lock.
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，该漏洞源于在调用snd_jack_report时未在互斥锁下访问input_dev，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 32b8544296b944b204b33f9837701d4d0b9adefe ~ 74bab3bcf422593c582e47130aa8eb41ebb2dc09 -
Linux Linux 3.13 -

II. Public POCs for CVE-2022-49538

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III. Intelligence Information for CVE-2022-49538

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Patches & Fixes for CVE-2022-49538 (9)

Same Patch Batch · Linux · 2025-02-26 · 706 CVEs total

CVE-2022-49149 9.8 CRITICAL rxrpc: Fix call timer start racing with call destruction
CVE-2022-49201 9.8 CRITICAL ibmvnic: fix race between xmit and reset
CVE-2022-49194 9.8 CRITICAL net: bcmgenet: Use stronger register read/writes to assure ordering
CVE-2022-49093 9.8 CRITICAL skbuff: fix coalescing for page_pool fragment recycling
CVE-2022-49094 9.8 CRITICAL net/tls: fix slab-out-of-bounds bug in decrypt_internal
CVE-2022-49407 9.8 CRITICAL dlm: fix plock invalid read
CVE-2022-49362 9.8 CRITICAL NFSD: Fix potential use-after-free in nfsd_file_put()
CVE-2022-49260 9.8 CRITICAL crypto: hisilicon/sec - fix the aead software fallback for engine
CVE-2022-49418 9.8 CRITICAL NFSv4: Fix free of uninitialized nfs4_label on referral lookup.
CVE-2022-49280 9.8 CRITICAL NFSD: prevent underflow in nfssvc_decode_writeargs()
CVE-2022-49356 9.8 CRITICAL SUNRPC: Trap RDMA segment overflows
CVE-2022-49561 9.8 CRITICAL netfilter: conntrack: re-fetch conntrack after insertion
CVE-2022-49058 9.1 CRITICAL cifs: potential buffer overflow in handling symlinks
CVE-2022-49470 8.8 HIGH Bluetooth: btmtksdio: fix use-after-free at btmtksdio_recv_event
CVE-2022-49479 8.8 HIGH mt76: fix tx status related use-after-free race on station removal
CVE-2022-49535 8.8 HIGH scsi: lpfc: Fix null pointer dereference after failing to issue FLOGI and PLOGI
CVE-2022-49328 8.8 HIGH mt76: fix use-after-free by removing a non-RCU wcid pointer
CVE-2022-49519 8.8 HIGH ath10k: skip ath10k_halt during suspend for driver state RESTARTING
CVE-2022-49500 8.8 HIGH wl1251: dynamically allocate memory used for DMA
CVE-2022-49114 8.8 HIGH scsi: libfc: Fix use after free in fc_exch_abts_resp()

Showing top 20 of 706 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2022-49538

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