CVE-2023-53482

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 36/100
Published: 2025-10-01 Modified: 2026-11-05 First seen: 2026-11-05 Status: active

Attack Surface

Low Complexity No Interaction

CVSS Vector Breakdown

AV: Local
AC: Low
PR: Low
UI: None
S: Unchanged
C: None
I: None
A: High

Description

In the Linux kernel, the following vulnerability has been resolved: iommu: Fix error unwind in iommu_group_alloc() If either iommu_group_grate_file() fails then the iommu_group is leaked. Destroy it on these error paths. Found by kselftest/iommu/iommufd_fail_nth

Affected Software (6)

VendorProductVersion
Linux Linux bc7d12b91bd35477fd650c4d72b61239de9d9066 < f119ef452e2d82d912797273cb790a86f1125b3e
Linux Linux bc7d12b91bd35477fd650c4d72b61239de9d9066 < 4c23124b45ee0aa895ed8d5d08871ae6b15ee336
Linux Linux bc7d12b91bd35477fd650c4d72b61239de9d9066 < 8602fa38a63fc689eca29c8c586fac2d8a1f8739
Linux Linux bc7d12b91bd35477fd650c4d72b61239de9d9066 < 4daa861174d56023c2068ddb03de0752f07fa199
Linux Linux 4.11
linux linux_kernel 4.11 – 5.15.99

Bug Bounty Relevance

36 / 100
✓ Low complexity
✓ No user interaction

CVSS Score

5.5 / 10.0 v3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

0.16%
Raw Score 0.001590
Percentile 5.1%
Date 2026-11-14

EPSS Trend

2026-11-14
0.00159
2026-11-13
0.00159
2026-11-12
0.00159
2026-11-10
0.00159
2026-11-09
0.00159
2026-11-08
0.00159
2026-11-07
0.00159
2026-11-06
0.00159
2026-11-05
0.00159

Intelligence Sources

mitre ref →
nvd ref →