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CVE-2024-50292— ASoC: stm32: spdifrx: fix dma channel release in stm32_spdifrx_remove

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，该漏洞源于存在stm32_spdifrx_remove中的dma通道释放问题。

AI Predicted 3.3 Difficulty: Easy EPSS 0.23% · P13

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux 794df9448edb55978e50372f083aeedade1b2844< 3a977b554f668382dfba31fd62e4cce4fe5643db affected
794df9448edb55978e50372f083aeedade1b2844< 0d75f887aabd80cf37ea48d28f159afa7850ea28 affected
794df9448edb55978e50372f083aeedade1b2844< 4f1d74f74752eab8af6b8b28797dc6490d57374c affected
794df9448edb55978e50372f083aeedade1b2844< 23bdbd1ef3e063e03d3c50c15a591b005ebbae39 affected
794df9448edb55978e50372f083aeedade1b2844< 22ae9321054cf7f36c537702af133659f51a0b88 affected
794df9448edb55978e50372f083aeedade1b2844< 9bb4af400c386374ab1047df44c508512c08c31f affected
5.7 affected
< 5.7 unaffected
… +6 more rows
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I. Basic Information for CVE-2024-50292

Vulnerability Information
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Vulnerability Title
ASoC: stm32: spdifrx: fix dma channel release in stm32_spdifrx_remove
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ASoC: stm32: spdifrx: fix dma channel release in stm32_spdifrx_remove In case of error when requesting ctrl_chan DMA channel, ctrl_chan is not null. So the release of the dma channel leads to the following issue: [ 4.879000] st,stm32-spdifrx 500d0000.audio-controller: dma_request_slave_channel error -19 [ 4.888975] Unable to handle kernel NULL pointer dereference at virtual address 000000000000003d [...] [ 5.096577] Call trace: [ 5.099099] dma_release_channel+0x24/0x100 [ 5.103235] stm32_spdifrx_remove+0x24/0x60 [snd_soc_stm32_spdifrx] [ 5.109494] stm32_spdifrx_probe+0x320/0x4c4 [snd_soc_stm32_spdifrx] To avoid this issue, release channel only if the pointer is valid.
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，该漏洞源于存在stm32_spdifrx_remove中的dma通道释放问题。
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 794df9448edb55978e50372f083aeedade1b2844 ~ 3a977b554f668382dfba31fd62e4cce4fe5643db -
Linux Linux 5.7 -

II. Public POCs for CVE-2024-50292

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III. Intelligence Information for CVE-2024-50292

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Patches & Fixes for CVE-2024-50292 (6)

Same Patch Batch · Linux · 2024-11-19 · 88 CVEs total

CVE-2024-50283 9.8 CRITICAL ksmbd: fix slab-use-after-free in smb3_preauth_hash_rsp
CVE-2024-50286 9.8 CRITICAL ksmbd: fix slab-use-after-free in ksmbd_smb2_session_create
CVE-2024-50276 9.8 CRITICAL net: vertexcom: mse102x: Fix possible double free of TX skb
CVE-2024-53066 9.8 CRITICAL nfs: Fix KMSAN warning in decode_getfattr_attrs()
CVE-2024-53058 9.4 CRITICAL net: stmmac: TSO: Fix unbalanced DMA map/unmap for non-paged SKB data
CVE-2024-53082 8.4 HIGH virtio_net: Add hash_key_length check
CVE-2024-50299 8.2 HIGH sctp: properly validate chunk size in sctp_sf_ootb()
CVE-2024-50293 7.8 HIGH net/smc: do not leave a dangling sk pointer in __smc_create()
CVE-2024-50291 7.8 HIGH media: dvb-core: add missing buffer index check
CVE-2024-50294 7.8 HIGH rxrpc: Fix missing locking causing hanging calls
CVE-2023-52921 7.8 HIGH drm/amdgpu: fix possible UAF in amdgpu_cs_pass1()
CVE-2024-50288 7.8 HIGH media: vivid: fix buffer overwrite when using > 32 buffers
CVE-2024-53063 7.8 HIGH media: dvbdev: prevent the risk of out of memory access
CVE-2024-53088 7.8 HIGH i40e: fix race condition by adding filter's intermediate sync state
CVE-2024-53080 7.8 HIGH drm/panthor: Lock XArray when getting entries for the VM
CVE-2024-53079 7.8 HIGH mm/thp: fix deferred split unqueue naming and locking
CVE-2024-53076 7.8 HIGH iio: gts-helper: Fix memory leaks for the error path of iio_gts_build_avail_scale_table()
CVE-2024-53044 7.8 HIGH net/sched: sch_api: fix xa_insert() error path in tcf_block_get_ext()
CVE-2024-50301 7.8 HIGH security/keys: fix slab-out-of-bounds in key_task_permission
CVE-2024-50300 7.8 HIGH regulator: rtq2208: Fix uninitialized use of regulator_config

Showing top 20 of 88 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-50292

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