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CVE-2025-40154— ASoC: Intel: bytcr_rt5640: Fix invalid quirk input mapping

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bytcr_rt5640驱动未正确处理无效quirk输入映射，可能导致越界访问。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.21% · P11

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 063422ca2a9de238401c3848c1b3641c07b6316c< 2c27e047bdcba457ec953f7e90e4ed6d5f8aeb01 affected
063422ca2a9de238401c3848c1b3641c07b6316c< a97b4d18ecb012c5624cdf2cab2ce5e1312fdd5d affected
063422ca2a9de238401c3848c1b3641c07b6316c< dea9c8c9028c9374761224a7f9d824e845a2aa2e affected
063422ca2a9de238401c3848c1b3641c07b6316c< f58fca15f3bf8b982e799c31e4afa8923788aa40 affected
063422ca2a9de238401c3848c1b3641c07b6316c< 29a41bf6422688f0c5a09b18222e1a64b2629fa4 affected
063422ca2a9de238401c3848c1b3641c07b6316c< 5c03ea2ef4ebba75c69c90929d8590eb3d3797a9 affected
063422ca2a9de238401c3848c1b3641c07b6316c< 48880f3cdf2b6d8dcd91219c5b5c8a7526411322 affected
063422ca2a9de238401c3848c1b3641c07b6316c< fba404e4b4af4f4f747bb0e41e9fff7d03c7bcc0 affected
… +10 more rows
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I. Basic Information for CVE-2025-40154

Vulnerability Information
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Vulnerability Title
ASoC: Intel: bytcr_rt5640: Fix invalid quirk input mapping
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ASoC: Intel: bytcr_rt5640: Fix invalid quirk input mapping When an invalid value is passed via quirk option, currently bytcr_rt5640 driver only shows an error message but leaves as is. This may lead to unepxected results like OOB access. This patch corrects the input mapping to the certain default value if an invalid value is passed.
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bytcr_rt5640驱动未正确处理无效quirk输入映射，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 063422ca2a9de238401c3848c1b3641c07b6316c ~ 2c27e047bdcba457ec953f7e90e4ed6d5f8aeb01 -
Linux Linux 4.18 -

II. Public POCs for CVE-2025-40154

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III. Intelligence Information for CVE-2025-40154

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Same Patch Batch · Linux · 2025-11-12 · 96 CVEs total

CVE-2025-40176 9.8 CRITICAL tls: wait for pending async decryptions if tls_strp_msg_hold fails
CVE-2025-40140 8.8 HIGH net: usb: Remove disruptive netif_wake_queue in rtl8150_set_multicast
CVE-2025-40168 8.1 HIGH smc: Use __sk_dst_get() and dst_dev_rcu() in smc_clc_prfx_match().
CVE-2025-40158 8.1 HIGH ipv6: use RCU in ip6_output()
CVE-2025-40186 8.1 HIGH tcp: Don't call reqsk_fastopen_remove() in tcp_conn_request().
CVE-2025-40135 8.1 HIGH ipv6: use RCU in ip6_xmit()
CVE-2025-40133 8.1 HIGH mptcp: Use __sk_dst_get() and dst_dev_rcu() in mptcp_active_enable().
CVE-2025-40204 8.1 HIGH sctp: Fix MAC comparison to be constant-time
CVE-2025-40141 8.0 HIGH Bluetooth: ISO: Fix possible UAF on iso_conn_free
CVE-2025-40172 7.8 HIGH accel/qaic: Treat remaining == 0 as error in find_and_map_user_pages()
CVE-2025-40174 7.8 HIGH x86/mm: Fix SMP ordering in switch_mm_irqs_off()
CVE-2025-40167 7.8 HIGH ext4: detect invalid INLINE_DATA + EXTENTS flag combination
CVE-2025-40173 7.8 HIGH net/ip6_tunnel: Prevent perpetual tunnel growth
CVE-2025-40159 7.8 HIGH xsk: Harden userspace-supplied xdp_desc validation
CVE-2025-40182 7.8 HIGH crypto: skcipher - Fix reqsize handling
CVE-2025-40151 7.8 HIGH LoongArch: BPF: No support of struct argument in trampoline programs
CVE-2025-40206 7.8 HIGH netfilter: nft_objref: validate objref and objrefmap expressions
CVE-2025-40118 7.8 HIGH scsi: pm80xx: Fix array-index-out-of-of-bounds on rmmod
CVE-2025-40190 7.8 HIGH ext4: guard against EA inode refcount underflow in xattr update
CVE-2025-40166 7.8 HIGH drm/xe/guc: Check GuC running state before deregistering exec queue

Showing top 20 of 96 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-40154

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