8.8

CVE-2023-52801: iommufd: Fix missing update of domains_itree after splitting iopt_area

Modified
AliasesUBUNTU-CVE-2023-52801DEBIAN-CVE-2023-52801
Published 21-05-2024Last modified 05-08-2026

Vulnerability summary

CVE-2023-52801 is a high (CVSS 8.8) Improper Access Control vulnerability in linux. EPSS estimates a 0.60% chance of exploitation in the next 30 days, higher than 48.4% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 8.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.60%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 6 · Related 5
RHSA-2024:6567SUSE-SU-2024:2571-1SUSE-SU-2024:2896-1SUSE-SU-2024:2973-1SUSE-SU-2025:20008-1SUSE-SU-2025:20028-1

Timeline

  1. 21-05-2024
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.60%

Chance of exploitation in the next 30 days

Percentile

48%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.60% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu75 products
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
  • linux-aws-5.13All versions (No fix recorded)
  • linux-aws-5.19All versions (No fix recorded)
Linux2 products
  • linux≥ 51fe6141f0f64ae0bbc096a41a07572273e8c0ef, < 836db2e7e4565d8218923b3552304a1637e2f28d | ≥ 51fe6141f0f64ae0bbc096a41a07572273e8c0ef, < fcb32111f01ddf3cbd04644cde1773428e31de6a | ≥ 51fe6141f0f64ae0bbc096a41a07572273e8c0ef, < e7250ab7ca4998fe026f2149805b03e09dc32498 | 6.2
  • linux_kernel≥ 6.2, < 6.5.13 | ≥ 6.6, < 6.6.3
Debian1 product
  • linux< 6.6.8-1

3 vendors · 78 products

References

7 links