iommu/mediatek: fix use-after-free on probe deferral
The driver is dropping the references taken to the larb devices during
probe after successful lookup as well as on errors. This can
potentially lead to a use-after-free in case a larb device has not yet
been bound to its driver so that the iommu driver probe defers.
Fix this by keeping the references as expected while the iommu driver is
bound.
Analysis and contextual insights are available on OpenCVE Cloud.
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-4476-1 | linux-6.1 security update |
Debian DSA |
DSA-6126-1 | linux security update |
Debian DSA |
DSA-6127-1 | linux security update |
Ubuntu USN |
USN-8177-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-8179-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-8177-2 | Linux kernel (Real-time) vulnerabilities |
Ubuntu USN |
USN-8183-1 | Linux kernel (GCP) vulnerabilities |
Ubuntu USN |
USN-8184-1 | Linux kernel (Real-time) vulnerabilities |
Ubuntu USN |
USN-8179-2 | Linux kernel (FIPS) vulnerabilities |
Ubuntu USN |
USN-8185-1 | Linux kernel (NVIDIA) vulnerabilities |
Ubuntu USN |
USN-8179-3 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-8183-2 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-8203-1 | Linux kernel (Oracle) vulnerabilities |
Ubuntu USN |
USN-8204-1 | Linux kernel (Raspberry Pi Real-time) vulnerabilities |
Ubuntu USN |
USN-8185-2 | Linux kernel (Low Latency NVIDIA) vulnerabilities |
Ubuntu USN |
USN-8179-4 | Linux kernel (GCP) vulnerabilities |
Ubuntu USN |
USN-8245-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-8257-1 | Linux kernel (Raspberry Pi) vulnerabilities |
Ubuntu USN |
USN-8258-1 | Linux kernel (Azure) vulnerabilities |
Ubuntu USN |
USN-8260-1 | Linux kernel (Azure FIPS) vulnerabilities |
Ubuntu USN |
USN-8261-1 | Linux kernel (Xilinx) vulnerabilities |
Ubuntu USN |
USN-8265-1 | Linux kernel (NVIDIA Tegra) vulnerabilities |
Wed, 25 Mar 2026 19:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-416 | |
| CPEs | cpe:2.3:o:linux:linux_kernel:6.19:rc1:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.19:rc2:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.19:rc3:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.19:rc4:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.19:rc5:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.19:rc6:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.19:rc7:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.19:rc8:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.2:-:*:*:*:*:*:* |
|
| Metrics |
cvssV3_1
|
Thu, 15 Jan 2026 12:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
Tue, 13 Jan 2026 15:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | In the Linux kernel, the following vulnerability has been resolved: iommu/mediatek: fix use-after-free on probe deferral The driver is dropping the references taken to the larb devices during probe after successful lookup as well as on errors. This can potentially lead to a use-after-free in case a larb device has not yet been bound to its driver so that the iommu driver probe defers. Fix this by keeping the references as expected while the iommu driver is bound. | |
| Title | iommu/mediatek: fix use-after-free on probe deferral | |
| First Time appeared |
Linux
Linux linux Kernel |
|
| CPEs | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Linux
Linux linux Kernel |
|
| References |
|
|
Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2026-05-11T21:54:10.636Z
Reserved: 2026-01-13T15:30:19.647Z
Link: CVE-2025-71071
No data.
Status : Analyzed
Published: 2026-01-13T16:16:06.520
Modified: 2026-03-25T19:11:30.440
Link: CVE-2025-71071
OpenCVE Enrichment
No data.
Debian DLA
Debian DSA
Ubuntu USN