CVE-2023-52988: ALSA: hda/via: Avoid potential array out-of-bound in add_secret_dac_path()
Vulnerability summary
CVE-2023-52988 is a high (CVSS 7.8) Improper Validation of Array Index vulnerability in linux. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 21% of scored vulnerabilities.
Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 6 · Related 5Timeline
- 27-03-2025PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.28%
Chance of exploitation in the next 30 days
Percentile
21%
Versus all other CVEs
30-day change
Increase +0.01 pp
From 0.28% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu113 products
- linuxAll versions (No fix recorded) | < 4.15.0-211.222 | < 5.4.0-149.166 | < 5.15.0-72.79
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 4.15.0-1156.169 | < 5.4.0-1102.110 | < 5.15.0-1036.40
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 30b4503378c976cf66201a1e81820519f6bd79ac, < 437e50ef6290ac835d526d0e45f466a0aa69ba1b | ≥ 30b4503378c976cf66201a1e81820519f6bd79ac, < 6e1f586ddec48d71016b81acf68ba9f49ca54db8 | ≥ 30b4503378c976cf66201a1e81820519f6bd79ac, < d6870f3800dbb212ae8433183ee82f566d067c6c | ≥ 30b4503378c976cf66201a1e81820519f6bd79ac, < 2b557fa635e7487f638c0f030c305870839eeda2 | ≥ 30b4503378c976cf66201a1e81820519f6bd79ac, < 1b9256c96220bcdba287eeeb90e7c910c77f8c46 | ≥ 30b4503378c976cf66201a1e81820519f6bd79ac, < f011360ad234a07cb6fbcc720fff646a93a9f0d6 | ≥ 30b4503378c976cf66201a1e81820519f6bd79ac, < b9cee506da2b7920b5ea02ccd8e78a907d0ee7aa | 3.1
- linux_kernel≥ 3.1, < 4.14.306 | ≥ 4.15, < 4.19.273 | ≥ 4.20, < 5.4.232 | ≥ 5.5, < 5.10.168 | ≥ 5.11, < 5.15.93 | ≥ 5.16, < 6.1.11 | 6.2:rc1 | 6.2:rc2 | 6.2:rc3 | 6.2:rc4 | 6.2:rc5 | 6.2:rc6
Debian1 product
- linux< 6.1.11-1
3 vendors · 116 products