CVE-2025-38340: firmware: cs_dsp: Fix OOB memory read access in KUnit test
Vulnerability summary
CVE-2025-38340 is a high (CVSS 7.1) Out-of-bounds Read vulnerability in linux. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 5.4% of scored vulnerabilities.
Not severe (CVSS 7.1, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 6 · Related 6Timeline
- 10-07-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: firmware: cs_dsp: Fix OOB memory read access in KUnit test KASAN reported out of bounds access - cs_dsp_mock_bin_add_name_or_info(), because the source string length was rounded up to the allocation size.
CVSS metrics
2 scores · 2 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated7.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
EPSS trend
Probability
0.16%
Chance of exploitation in the next 30 days
Percentile
5%
Versus all other CVEs
30-day change
Increase +0.01 pp
From 0.15% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot 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.
Ubuntu148 products
- linuxAll versions (No fix recorded)
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded)
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 7c052c6615297ff32032105130cd5f02059f7ae4, < 8f4cc454a0bb45b800bc7817c09c8f72e31901f3 | ≥ 7c052c6615297ff32032105130cd5f02059f7ae4, < fe6446215bfad11cf3b446f38b28dc7708973c25 | 6.14
- linux_kernel≥ 6.14, < 6.15.4
2 vendors · 150 products