CVE-2023-52801

CRITICALNVD 9.19.1—
EchelonGraph scoreMEDIUM confidence

Score 9.1 from GitHub Security Advisory (severity: CRITICAL) published 2024-05-21. NVD baseline CVSS 9.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 9.1Exploit: NoneExposed: 0

A fix is available — apply it.

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.

CVSS v3
9.1
EG Score
9.1(medium)
EG Risk
41(Track)
EG Risk 41/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity91% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
56.7%
KEV
Not listed

Published

May 21, 2024

Last Modified

April 2, 2025

Advisory Details (3)

Auto-updated Jul 22, 2026
No patch confirmed yet.
generic

iommufd: Fix missing update of domains_itree after splitting iopt_area - kernel/git/stable/linux.git - Linux kernel stable tree

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

iommufd: Fix missing update of domains_itree after splitting iopt_area - kernel/git/stable/linux.git - Linux kernel stable tree

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

iommufd: Fix missing update of domains_itree after splitting iopt_area - kernel/git/stable/linux.git - Linux kernel stable tree

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

Vendor Advisories for CVE-2023-52801(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(2)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatkernel-0:5.14.0-427.35.1.el9_42024-09-11redhat
linuxKernel @ 6.5.13—osv

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 13× in last 7d / 48× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 101 total refreshes for this CVE.

  1. 2026-07-23 02:29 UTCEG score recompute
  2. 2026-07-22 23:16 UTCEG score recompute
  3. 2026-07-22 14:07 UTCEPSS rescore
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  42. 2026-06-10 22:17 UTCEPSS rescore
  43. 2026-06-10 13:21 UTCEPSS rescore
  44. 2026-06-08 16:41 UTCOSV refresh
  45. 2026-06-08 14:16 UTCEPSS rescore
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  73. 2026-05-24 01:21 UTCEG score recompute
  74. 2026-05-24 01:21 UTCVendor advisory
  75. 2026-05-24 01:21 UTCGHSA enrichment

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Frequently asked(5)

What is CVE-2023-52801?
CVE-2023-52801 is a critical vulnerability published on May 21, 2024. In the Linux kernel, the following vulnerability has been resolved: iommufd: Fix missing update of domainsitree after splitting ioptarea In ioptareasplit(), if the original iopt_area has filled a domain and is linked to domainsitree, pagesnodes have to be properly reinserted. Otherwise the…
When was CVE-2023-52801 disclosed?
CVE-2023-52801 was first published in the National Vulnerability Database on May 21, 2024, with the most recent update on April 2, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-52801 actively exploited?
CVE-2023-52801 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 56.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-52801?
CVE-2023-52801 has a CVSS v3 base score of 9.1 (NVD).
How do I remediate CVE-2023-52801?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-52801, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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