What’s Vulnerable › Vulnerabilities

CVE-2026-53203: accel/ivpu: Add buffer overflow check in MS get_info_ioctl

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-25 · updated 2026-10-19
• Weakness: CWE-787

Description

In the Linux kernel, the following vulnerability has been resolved: accel/ivpu: Add buffer overflow check in MS get_info_ioctl Add validation that the info size returned from the metric stream info query is not exceeded when checked against the allocated buffer size. If the firmware returns a size larger than the buffer, reject the operation with -EOVERFLOW instead of proceeding with an incorrect buffer copy.

Affected products

• Linux kernel: from 6.11 before 6.12.94; from 6.13 before 6.18.36; from 6.19 before 7.0.13; 7.1-rc1, 7.1-rc2, 7.1-rc3, 7.1-rc4, 7.1-rc5, 7.1-rc6 — fixed in 6.12.94, 6.18.36, 7.0.13

How to fix

Upgrade to a fixed version: Linux kernel 6.12.94, 6.18.36, 7.0.13. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/4e5047cc94bea1cc7b670b7f503358e9af0542df
• https://git.kernel.org/stable/c/d3c12ed33e8923f3090909a1738f3e59292996a6
• https://git.kernel.org/stable/c/fa598556ecef412edcb391f144b7642e18fdfd45
• https://git.kernel.org/stable/c/fb176425837693f50c5c9fc8db6fbb04af22bd0a
• https://access.redhat.com/security/cve/CVE-2026-53203
• https://bugzilla.redhat.com/show_bug.cgi?id=2492798
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-53203.json

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