What’s Vulnerable › Vulnerabilities

CVE-2026-90328: HID: steam: Reject short reads

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-17 · updated 2026-10-30

Description

In the Linux kernel, the following vulnerability has been resolved: HID: steam: Reject short reads Steam Controller FEATURE reports encode the size of the message in the message itself. Previously we were trusting that the size reported matched the size we actually read, leading to a potential issue with short reads. Instead, we should actually verify the length of the read.

Affected products

• Linux: 4.18 — fixed in 7.3

How to fix

Upgrade to a fixed version: Linux 7.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/304b24432c7ab40d63cd698729a7305c3b8eada2
• https://git.kernel.org/stable/c/33ff7b49c38b39b1f3d27db508ac0720fb25c08a
• https://git.kernel.org/stable/c/37cb84b992718924dc334ce584c703333a6a4217
• https://git.kernel.org/stable/c/93c5cc35bcd9f62db589a21945b49691dccdd99d
• https://git.kernel.org/stable/c/cbcc9b0ccbbd33125ffc9479fb8f69ac969fe55c
• https://git.kernel.org/stable/c/f694ea0ead544080949e409a7c6885ee1fc77a98

Get alerted when CVE-2026-90328 or the next vulnerability affects your stack