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CVE-2026-74293— ASoC: fsl: fsl_audmix: Validate written enum values

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基金会开源的一个操作系统内核。 Linux kernel 5.2版本存在安全漏洞，该漏洞源于fsl_audmix_put_mix_clk_src()和fsl_audmix_put_out_src()函数在验证枚举项是否有效前对用户提供的枚举值进行转换并直接使用，可能导致越界访问。

CVSS 7.8 · High EPSS 0.13% · P3

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux be1df61cf06efb355c90702e46b8d46f055acb4e< 7513831b90a38d55fa089e3e1b49691e467afee6 affected
be1df61cf06efb355c90702e46b8d46f055acb4e< b4774a7da12b14fc37219ab4368d1907f9b5aca4 affected
be1df61cf06efb355c90702e46b8d46f055acb4e< 8fb4364eb494b926d009bfaf3c98f07c3aa5d9f3 affected
be1df61cf06efb355c90702e46b8d46f055acb4e< 0b10c6203e62d9e7337cc401568b201f9bac79ec affected
be1df61cf06efb355c90702e46b8d46f055acb4e< b36d6d48faa6b1bb723b8f4e527c531a1a68520e affected
be1df61cf06efb355c90702e46b8d46f055acb4e< 0f1510e84d7bfc3eb9538efa65c6ea0aadf1078c affected
be1df61cf06efb355c90702e46b8d46f055acb4e< 5b7a23c1ed04e794ef3b31e452ef5c93e1e34b4a affected
be1df61cf06efb355c90702e46b8d46f055acb4e< 3cd17e4e2871114d5579fa7bc8da66faf7fc1930 affected
… +10 more rows
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I. Basic Information for CVE-2026-74293

Vulnerability Information
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Vulnerability Title
ASoC: fsl: fsl_audmix: Validate written enum values
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ASoC: fsl: fsl_audmix: Validate written enum values fsl_audmix_put_mix_clk_src() and fsl_audmix_put_out_src() convert the user-provided enum item with snd_soc_enum_item_to_val() before checking whether the item is within the enum's item count. The generic snd_soc_put_enum_double() helper performs that validation, but these callbacks use the converted value first: the clock-source path tests it with BIT(), and the output-source path indexes the prms transition table with it. Reject out-of-range enum items before converting them.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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基金会开源的一个操作系统内核。 Linux kernel 5.2版本存在安全漏洞，该漏洞源于fsl_audmix_put_mix_clk_src()和fsl_audmix_put_out_src()函数在验证枚举项是否有效前对用户提供的枚举值进行转换并直接使用，可能导致越界访问。
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 be1df61cf06efb355c90702e46b8d46f055acb4e ~ 7513831b90a38d55fa089e3e1b49691e467afee6 -
Linux Linux 5.2 -

II. Public POCs for CVE-2026-74293

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III. Intelligence Information for CVE-2026-74293

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Patches & Fixes for CVE-2026-74293 (7)

Same Patch Batch · Linux · 2026-08-15 · 845 CVEs total

CVE-2026-74280 10.0 CRITICAL crypto: marvell/octeontx - fix DMA cleanup using wrong loop index
CVE-2026-74309 10.0 CRITICAL vdpa/octeon_ep: fix IRQ-to-ring mapping in interrupt handler
CVE-2026-72407 10.0 CRITICAL geneve: validate inner network offset in geneve_gro_complete()
CVE-2026-74475 10.0 CRITICAL vxlan: use neigh_ha_snapshot() in route_shortcircuit()
CVE-2026-72408 10.0 CRITICAL geneve: gate GRO hint in geneve_gro_complete() on gs->gro_hint
CVE-2026-72421 10.0 CRITICAL ipv4: fib: Don't ignore error route in local/main tables.
CVE-2026-74279 10.0 CRITICAL crypto: cavium/cpt - fix DMA cleanup using wrong loop index
CVE-2026-72493 9.9 CRITICAL net: serialize netif_running() check in enqueue_to_backlog()
CVE-2026-74350 9.8 CRITICAL ocfs2: validate fast symlink target during inode read
CVE-2026-72249 9.8 CRITICAL netfilter: flowtable: use dst in this direction when pushing IPIP header
CVE-2026-72248 9.8 CRITICAL netfilter: flowtable: support IPIP tunnel with direct xmit
CVE-2026-72494 9.8 CRITICAL RDMA/irdma: Replace waitqueue and flag with completion
CVE-2026-74345 9.8 CRITICAL RDMA/siw: Fix endpoint/socket association handling
CVE-2026-72083 9.8 CRITICAL scsi: target: core: Fix iSCSI ISID use-after-free in REGISTER AND MOVE
CVE-2026-72098 9.8 CRITICAL dm-verity: fix buffer overflow in FEC calculation
CVE-2026-72226 9.8 CRITICAL batman-adv: tt: prevent TVLV OOB check overflow
CVE-2026-74255 9.8 CRITICAL tipc: fix UAF in tipc_l2_send_msg()
CVE-2026-74428 9.8 CRITICAL rxrpc: Fix double unlock in rxrpc_recvmsg()
CVE-2026-72084 9.8 CRITICAL scsi: target: Bound PR-OUT TransportID parsing to the received buffer
CVE-2026-72234 9.8 CRITICAL batman-adv: access unicast_ttvn skb->data only after skb realloc

Showing top 20 of 845 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-74293

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