What’s Vulnerable › Vulnerabilities

CVE-2023-52988: ALSA: hda/via: Avoid potential array out-of-bound in add_secret_dac_path()

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-03-27 · updated 2026-06-17
• Weakness: CWE-129

Description

In the Linux kernel, the following vulnerability has been resolved: ALSA: hda/via: Avoid potential array out-of-bound in add_secret_dac_path() snd_hda_get_connections() can return a negative error code. It may lead to accessing 'conn' array at a negative index. Found by Linux Verification Center (linuxtesting.org) with SVACE.

Affected products

• Linux kernel: from 3.1 before 4.14.306; from 4.15 before 4.19.273; from 4.20 before 5.4.232; from 5.5 before 5.10.168; from 5.11 before 5.15.93; from 5.16 before 6.1.11 — fixed in 4.14.306, 4.19.273, 5.10.168, 5.15.93, 5.4.232, 6.1.11

How to fix

Upgrade to a fixed version: Linux kernel 4.14.306, 4.19.273, 5.10.168, 5.15.93. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/1b9256c96220bcdba287eeeb90e7c910c77f8c46
• https://git.kernel.org/stable/c/2b557fa635e7487f638c0f030c305870839eeda2
• https://git.kernel.org/stable/c/437e50ef6290ac835d526d0e45f466a0aa69ba1b
• https://git.kernel.org/stable/c/6e1f586ddec48d71016b81acf68ba9f49ca54db8
• https://git.kernel.org/stable/c/b9cee506da2b7920b5ea02ccd8e78a907d0ee7aa
• https://git.kernel.org/stable/c/d6870f3800dbb212ae8433183ee82f566d067c6c
• https://git.kernel.org/stable/c/f011360ad234a07cb6fbcc720fff646a93a9f0d6

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