CVE-2023-50431

Severity: medium (CVSS 5.5 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: 2023-12-09 · updated 2026-10-16

Description

sec_attest_info in drivers/accel/habanalabs/common/habanalabs_ioctl.c in the Linux kernel through 6.6.5 allows an information leak to user space because info->pad0 is not initialized.

Affected products

Linux kernel: from 6.3 before 6.6.14 — fixed in 6.6.14

How to fix

Upgrade to a fixed version: Linux kernel 6.6.14. Check the vendor advisory for mitigations.

References

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a9f07790a4b2250f0140e9a61c7f842fd9b618c7
https://lists.freedesktop.org/archives/dri-devel/2023-November/431772.html
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a9f07790a4b2250f0140e9a61c7f842fd9b618c7
https://lists.freedesktop.org/archives/dri-devel/2023-November/431772.html

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