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PatchSiren cyber security CVE debrief

CVE-2026-64041 Linux CVE debrief

A potential buffer overflow vulnerability was found in the Linux kernel ASoC codecs fs210x. The vulnerability is due to incorrect usage of the strscpy function in the fs210x_effect_scene_info function. This could lead to a buffer overflow if the length of the source string is greater than or equal to the size of the destination buffer. The CVE record was published on 2026-07-19T16:17:44.367Z and has not been modified since then. Linux kernel developers and maintainers should review and update Linux kernel ASoC codecs fs210x to use the correct strscpy function usage.

Vendor
Linux
Product
Unknown
CVSS
Unknown
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-19
Original CVE updated
2026-07-19
Advisory published
2026-07-19
Advisory updated
2026-07-19

Who should care

Linux kernel developers and maintainers, Linux distribution vendors, and users of Linux-based systems should review and update Linux kernel ASoC codecs fs210x to use the correct strscpy function usage. They should also verify Linux kernel versions and apply patches or updates as needed. Additionally, they should monitor Linux kernel updates and security advisories for potential vulnerabilities.

Technical summary

The vulnerability is caused by the incorrect usage of the strscpy function in the fs210x_effect_scene_info function. The strscpy function was used with the length of the source string plus one, which could lead to a buffer overflow if the length of the source string is greater than or equal to the size of the destination buffer. To fix this vulnerability, the strscpy function should be used with the size of the destination buffer. Linux kernel developers and maintainers should review and update Linux kernel ASoC codecs fs210x to use the correct strscpy function usage.

Defensive priority

Medium

Recommended defensive actions

  • Review and update Linux kernel ASoC codecs fs210x to use the correct strscpy function usage.
  • Verify Linux kernel versions and apply patches or updates as needed.
  • Monitor Linux kernel updates and security advisories for potential vulnerabilities.
  • Perform a thorough review of the Linux kernel ASoC codecs fs210x to identify potential vulnerabilities.
  • Implement compensating controls for exposed systems while remediation is scheduled and verified.
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented.
  • Review relevant monitoring, detection, and logs for exposed assets that need extra review.

Evidence notes

The vulnerability was reported and resolved in the Linux kernel. The CVE record was published on 2026-07-19T16:17:44.367Z and has not been modified since then. Evidence is limited to public CVE and NVD details. Defenders should verify Linux kernel versions and apply patches or updates as needed. Additional review of Linux kernel ASoC codecs fs210x and strscpy function usage is recommended.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-19T16:17:44.367Z and has not been modified since then.