CVE-2023-52801

CRITICAL

Linux Kernel - Use-After-Free in iommufd iopt_area_split

Title source: llm

Description

In the Linux kernel, the following vulnerability has been resolved: iommufd: Fix missing update of domains_itree after splitting iopt_area In iopt_area_split(), if the original iopt_area has filled a domain and is linked to domains_itree, pages_nodes have to be properly reinserted. Otherwise the domains_itree becomes corrupted and we will UAF.

References (3)

Core 3

Core References

Patch

https://git.kernel.org/stable/c/836db2e7e4565d8218923b3552304a1637e2f28d

Patch

https://git.kernel.org/stable/c/fcb32111f01ddf3cbd04644cde1773428e31de6a

Patch

https://git.kernel.org/stable/c/e7250ab7ca4998fe026f2149805b03e09dc32498

Scores

CVSS v3 9.1

EPSS 0.0092

EPSS Percentile 55.9%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-284

Status published

Products (9)

Linux/Linux < 6.2

Linux/Linux 51fe6141f0f64ae0bbc096a41a07572273e8c0ef - 836db2e7e4565d8218923b3552304a1637e2f28d

Linux/Linux 51fe6141f0f64ae0bbc096a41a07572273e8c0ef - e7250ab7ca4998fe026f2149805b03e09dc32498

Linux/Linux 51fe6141f0f64ae0bbc096a41a07572273e8c0ef - fcb32111f01ddf3cbd04644cde1773428e31de6a

Linux/Linux 6.2

Linux/Linux 6.5.13 - 6.5.*

Linux/Linux 6.6.3 - 6.6.*

Linux/Linux 6.7

linux/linux_kernel 6.2 - 6.5.13

Published May 21, 2024

Tracked Since Feb 18, 2026