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CVE-2025-68345— ALSA: hda: cs35l41: Fix NULL pointer dereference in cs35l41_hda_read_acpi()

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，该漏洞源于未检查acpi_get_first_physical_node返回值，可能导致空指针取消引用。

AI Predicted 4.4 Difficulty: Moderate EPSS 0.23% · P13

Possible ATT&CK Techniques 1 AI

T1211 · Exploitation for Stealth

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux 7b2f3eb492dac7665c75df067e4d8e4869589f4a< e63f9c81ca28b06eeeac3630faddc50717897351 affected
7b2f3eb492dac7665c75df067e4d8e4869589f4a< 7a35a505d76a4b6cd426b59ff2d800d0394cc5d3 affected
7b2f3eb492dac7665c75df067e4d8e4869589f4a< e6ba921b17797ccc545d80e0dbccb5fab91c248c affected
7b2f3eb492dac7665c75df067e4d8e4869589f4a< c28946b7409b7b68fb0481ec738c8b04578b11c6 affected
7b2f3eb492dac7665c75df067e4d8e4869589f4a< 343fa9800cf9870ec681e21f0a6f2157b74ae520 affected
7b2f3eb492dac7665c75df067e4d8e4869589f4a< c34b04cc6178f33c08331568c7fd25c5b9a39f66 affected
5.17 affected
< 5.17 unaffected
… +6 more rows
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I. Basic Information for CVE-2025-68345

Vulnerability Information
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Vulnerability Title
ALSA: hda: cs35l41: Fix NULL pointer dereference in cs35l41_hda_read_acpi()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: cs35l41: Fix NULL pointer dereference in cs35l41_hda_read_acpi() The acpi_get_first_physical_node() function can return NULL, in which case the get_device() function also returns NULL, but this value is then dereferenced without checking,so add a check to prevent a crash. Found by Linux Verification Center (linuxtesting.org) with SVACE.
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，该漏洞源于未检查acpi_get_first_physical_node返回值，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 7b2f3eb492dac7665c75df067e4d8e4869589f4a ~ e63f9c81ca28b06eeeac3630faddc50717897351 -
Linux Linux 5.17 -

II. Public POCs for CVE-2025-68345

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III. Intelligence Information for CVE-2025-68345

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Other References for CVE-2025-68345 (3)

Same Patch Batch · Linux · 2025-12-24 · 322 CVEs total

CVE-2025-68741 9.8 CRITICAL scsi: qla2xxx: Fix improper freeing of purex item
CVE-2025-68745 9.8 CRITICAL scsi: qla2xxx: Clear cmds after chip reset
CVE-2022-50717 9.8 CRITICAL nvmet-tcp: add bounds check on Transfer Tag
CVE-2023-54090 9.8 CRITICAL ixgbe: Fix panic during XDP_TX with > 64 CPUs
CVE-2023-54094 9.8 CRITICAL net: prevent skb corruption on frag list segmentation
CVE-2023-53867 9.8 CRITICAL ceph: fix potential use-after-free bug when trimming caps
CVE-2025-68359 9.8 CRITICAL btrfs: fix double free of qgroup record after failure to add delayed ref head
CVE-2025-68726 9.8 CRITICAL crypto: aead - Fix reqsize handling
CVE-2023-54076 9.8 CRITICAL smb: client: fix missed ses refcounting
CVE-2023-53996 9.3 CRITICAL x86/sev: Make enc_dec_hypercall() accept a size instead of npages
CVE-2025-68736 8.8 HIGH landlock: Fix handling of disconnected directories
CVE-2023-54071 8.8 HIGH wifi: rtw88: use work to update rate to avoid RCU warning
CVE-2023-54040 8.8 HIGH ice: fix wrong fallback logic for FDIR
CVE-2023-54092 8.8 HIGH KVM: s390: pv: fix index value of replaced ASCE
CVE-2022-50732 8.8 HIGH staging: rtl8192u: Fix use after free in ieee80211_rx()
CVE-2023-54043 8.8 HIGH iommufd: Do not add the same hwpt to the ioas->hwpt_list twice
CVE-2023-54120 8.8 HIGH Bluetooth: Fix race condition in hidp_session_thread
CVE-2023-54060 8.8 HIGH iommufd: Set end correctly when doing batch carry
CVE-2023-53986 8.6 HIGH mips: bmips: BCM6358: disable RAC flush for TP1
CVE-2022-50746 8.4 HIGH erofs: validate the extent length for uncompressed pclusters

Showing top 20 of 322 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-68345

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