CVE-2025-40098: linux
Vulnerability summary
CVE-2025-40098 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 9% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 24 · Related 24Timeline
- 30-10-2025PublishedVulnerability first disclosed.
- 03-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: cs35l41: Fix NULL pointer dereference in cs35l41_get_acpi_mute_state() Return value of a function acpi_evaluate_dsm() is dereferenced without checking for NULL, but it is usually checked for this function. acpi_evaluate_dsm() may return NULL, when acpi_evaluate_object() returns acpi_status other than ACPI_SUCCESS, so add a check to prevent the crach. Found by Linux Verification Center (linuxtesting.org) with SVACE.
CVSS metrics
Risk metrics not yet published.
EPSS trend
Probability
0.20%
Chance of exploitation in the next 30 days
Percentile
9%
Versus all other CVEs
30-day change
+0.01 pp
From 0.18% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Ubuntu129 products
- linuxAll versions (No fix recorded) | < 6.8.0-147.147 | < 6.17.0-14.14
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 6.8.0-1067.70 | < 6.17.0-1007.7
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Debian2 products
- linux< 6.12.101-1 | < 6.17.6-1
- linux-6.12< 6.12.101-1~deb12u1
Linux1 product
- linux≥ 447106e92a0c86c332d40710436f38f64c322cd6, < 19129a365d2bd019fb60662b36b2655931997f12 | ≥ 447106e92a0c86c332d40710436f38f64c322cd6, < b518386db2b993d786c431caa9f46ce063c5cb05 | ≥ 447106e92a0c86c332d40710436f38f64c322cd6, < 8527bbb33936340525a3504a00932b2f8fd75754 | 6.7
3 vendors · 132 products