What’s Vulnerable › Vulnerabilities

CVE-2024-26927: ASoC: SOF: Add some bounds checking to firmware data

• Severity: high (CVSS 8.4 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: 2024-04-28 · updated 2026-06-17
• Weakness: CWE-120

Description

In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: Add some bounds checking to firmware data Smatch complains about "head->full_size - head->header_size" can underflow. To some extent, we're always going to have to trust the firmware a bit. However, it's easy enough to add a check for negatives, and let's add a upper bounds check as well.

Affected products

• Linux kernel: from 5.19 before 6.1.83; from 6.2 before 6.6.23; from 6.7 before 6.7.11; from 6.8 before 6.8.2 — fixed in 6.1.83, 6.6.23, 6.7.11, 6.8.2

How to fix

Upgrade to a fixed version: Linux kernel 6.1.83, 6.6.23, 6.7.11, 6.8.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/044e220667157fb9d59320341badec59cf45ba48
• https://git.kernel.org/stable/c/98f681b0f84cfc3a1d83287b77697679e0398306
• https://git.kernel.org/stable/c/9eeb8e1231f6450c574c1db979122e171a1813ab
• https://git.kernel.org/stable/c/ced7df8b3c5c4751244cad79011e86cf1f809153
• https://git.kernel.org/stable/c/d133d67e7e724102d1e53009c4f88afaaf3e167c
• https://git.kernel.org/stable/c/044e220667157fb9d59320341badec59cf45ba48
• https://git.kernel.org/stable/c/98f681b0f84cfc3a1d83287b77697679e0398306
• https://git.kernel.org/stable/c/9eeb8e1231f6450c574c1db979122e171a1813ab
• https://git.kernel.org/stable/c/ced7df8b3c5c4751244cad79011e86cf1f809153
• https://git.kernel.org/stable/c/d133d67e7e724102d1e53009c4f88afaaf3e167c

Get alerted when CVE-2024-26927 or the next vulnerability affects your stack