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CVE-2025-68346— ALSA: dice: fix buffer overflow in detect_stream_formats()

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，该漏洞源于未验证stream_count值，可能导致缓冲区溢出。

AI Predicted 8.1 Difficulty: Hard EPSS 0.23% · P14

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 58579c056c1c9510ae6695ed8e01ee05bbdcfb23< d6280a5b00cad37d9a9a875849e5bf7ed2fe4950 affected
58579c056c1c9510ae6695ed8e01ee05bbdcfb23< 3cf854cec0eb371da47ff5fe56eab189d7fa623a affected
58579c056c1c9510ae6695ed8e01ee05bbdcfb23< 4a6ab0f6cc9bdfdfecbf257a46ff4275bd965af4 affected
58579c056c1c9510ae6695ed8e01ee05bbdcfb23< dea3ed2c16f99f46f97b1a090bf80ecdd6972ce0 affected
58579c056c1c9510ae6695ed8e01ee05bbdcfb23< c0a1fe1902ad23e6d48e0f68be1258ccf7a163e6 affected
58579c056c1c9510ae6695ed8e01ee05bbdcfb23< 932aa1e80b022419cf9710e970739b7a8794f27c affected
58579c056c1c9510ae6695ed8e01ee05bbdcfb23< 1e1b3207a53e50d5a66289fffc1f7d52cd9c50f9 affected
58579c056c1c9510ae6695ed8e01ee05bbdcfb23< 324f3e03e8a85931ce0880654e3c3eb38b0f0bba affected
… +10 more rows
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I. Basic Information for CVE-2025-68346

Vulnerability Information
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Vulnerability Title
ALSA: dice: fix buffer overflow in detect_stream_formats()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ALSA: dice: fix buffer overflow in detect_stream_formats() The function detect_stream_formats() reads the stream_count value directly from a FireWire device without validating it. This can lead to out-of-bounds writes when a malicious device provides a stream_count value greater than MAX_STREAMS. Fix by applying the same validation to both TX and RX stream counts in detect_stream_formats().
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，该漏洞源于未验证stream_count值，可能导致缓冲区溢出。
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 58579c056c1c9510ae6695ed8e01ee05bbdcfb23 ~ d6280a5b00cad37d9a9a875849e5bf7ed2fe4950 -
Linux Linux 4.18 -

II. Public POCs for CVE-2025-68346

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III. Intelligence Information for CVE-2025-68346

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Other References for CVE-2025-68346 (2)

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-2025-68346

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