CVE-2023-52801
CriticalIn 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.
CVSS 3.1 score
9.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Weakness type
CWE-284CVE-2023-52801 is a Improper Access Control vulnerability
What is Improper Access Control?
The product does not restrict or incorrectly restricts access to a resource from an unauthorised actor. Learn more on MITRE CWE
References
The following references provide additional information about CVE-2023-52801 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
-
PatchKernel patch commithttps://git.kernel.org/stable/c/836db2e7e4565d8218923b3552304a1637e2f28d
-
PatchKernel patch commithttps://git.kernel.org/stable/c/e7250ab7ca4998fe026f2149805b03e09dc32498
-
PatchKernel patch commithttps://git.kernel.org/stable/c/fcb32111f01ddf3cbd04644cde1773428e31de6a
Frequently asked questions
-
What is CVE-2023-52801?
CVE-2023-52801 is a Critical severity Linux kernel vulnerability with a CVSS score of 9.1 out of 10 , classified as an Improper Access Control flaw (CWE-284) . CVE-2023-52801 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
-
What is the CVSS score for CVE-2023-52801?
CVE-2023-52801 has a CVSS score of 9.1 out of 10, rated Critical severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H. -
Is there a patch available for CVE-2023-52801?
No patch is currently available for CVE-2023-52801. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
-
Is CVE-2023-52801 actively exploited?
No — CVE-2023-52801 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
-
What is Improper Access Control (CWE-284)?
The product does not restrict or incorrectly restricts access to a resource from an unauthorised actor. View CWE-284 on MITRE CWE →