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
Affected versions
Linux kernel versions
6.2
and later are affected. Fixed in
6.5.13,
6.6.3,
6.7
and their respective stable series.
References
3 totalFrequently asked questions
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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) . It affects Linux kernel versions from 6.2 onward and has been patched in 6.5.13, 6.6.3 and 6.7. CVE-2023-52801 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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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?
Yes. CVE-2023-52801 has been patched. Fixed versions include 6.5.13, 6.6.3 and 6.7. If you are running Linux kernel 6.2 or later up to the fix versions, apply the relevant patch for your kernel branch.
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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.