Vulnerability · Published Jun 24, 2026 · Assigned by Linux

CVE-2026-53053iommu/amd: Fix clone_alias() to use the original device's devid

High 8.8

In plain English

A high-severity security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.1%top 97.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Fix clone_alias() to use the original device's devid Currently clone_alias() assumes first argument (pdev) is always the original device pointer. This function is called by pci_for_each_dma_alias() which based on topology decides to send original or alias device details in first argument. This meant that the source devid used to look up and copy the DTE may be incorrect, leading to wrong or stale DTE entries being propagated to alias device. Fix this by passing the original pdev as the opaque data argument to both the direct clone_alias() call and pci_for_each_dma_alias(). Inside clone_alias(), retrieve the original device from data and compute devid from it.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8bpftool4.18.0-553.166.1.el8_10ALSA-2026:70402
AlmaLinux:10kernel6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:8kernel4.18.0-553.166.1.el8_10ALSA-2026:70402
AlmaLinux:9kernel5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-64k6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9kernel-64k5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-64k-core6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9kernel-64k-core5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-64k-debug6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9kernel-64k-debug5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-64k-debug-core6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9kernel-64k-debug-core5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-64k-debug-devel6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9kernel-64k-debug-devel5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-64k-debug-devel-matched6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9kernel-64k-debug-devel-matched5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-64k-debug-modules6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9kernel-64k-debug-modules5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-64k-debug-modules-core6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9kernel-64k-debug-modules-core5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-64k-debug-modules-extra6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9kernel-64k-debug-modules-extra5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-64k-devel6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9kernel-64k-devel5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-64k-devel-matched6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9kernel-64k-devel-matched5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-64k-modules6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9kernel-64k-modules5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-64k-modules-core6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9kernel-64k-modules-core5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-64k-modules-extra6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9kernel-64k-modules-extra5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-abi-stablelists6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:8kernel-abi-stablelists4.18.0-553.166.1.el8_10ALSA-2026:70402
AlmaLinux:9kernel-abi-stablelists5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-core6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:8kernel-core4.18.0-553.166.1.el8_10ALSA-2026:70402
AlmaLinux:9kernel-core5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-cross-headers6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:8kernel-cross-headers4.18.0-553.166.1.el8_10ALSA-2026:70402
AlmaLinux:9kernel-cross-headers5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-debug6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:8kernel-debug4.18.0-553.166.1.el8_10ALSA-2026:70402
AlmaLinux:9kernel-debug5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-debug-core6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:8kernel-debug-core4.18.0-553.166.1.el8_10ALSA-2026:70402
AlmaLinux:9kernel-debug-core5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-debug-devel6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:8kernel-debug-devel4.18.0-553.166.1.el8_10ALSA-2026:70402
AlmaLinux:9kernel-debug-devel5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-debug-devel-matched6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9kernel-debug-devel-matched5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-debug-modules6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:8kernel-debug-modules4.18.0-553.166.1.el8_10ALSA-2026:70402
AlmaLinux:9kernel-debug-modules5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-debug-modules-core6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9kernel-debug-modules-core5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-debug-modules-extra6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:8kernel-debug-modules-extra4.18.0-553.166.1.el8_10ALSA-2026:70402
AlmaLinux:9kernel-debug-modules-extra5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-debug-uki-virt6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9kernel-debug-uki-virt5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-devel6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:8kernel-devel4.18.0-553.166.1.el8_10ALSA-2026:70402
AlmaLinux:9kernel-devel5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-devel-matched6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9kernel-devel-matched5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-doc6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:8kernel-doc4.18.0-553.166.1.el8_10ALSA-2026:70402
AlmaLinux:9kernel-doc5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-headers6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:8kernel-headers4.18.0-553.166.1.el8_10ALSA-2026:70402
AlmaLinux:9kernel-headers5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-modules6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:8kernel-modules4.18.0-553.166.1.el8_10ALSA-2026:70402
AlmaLinux:9kernel-modules5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-modules-core6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9kernel-modules-core5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-modules-extra6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:8kernel-modules-extra4.18.0-553.166.1.el8_10ALSA-2026:70402
AlmaLinux:9kernel-modules-extra5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-modules-extra-matched6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:10kernel-rt6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:8kernel-rt4.18.0-553.166.1.rt7.507.el8_10ALSA-2026:70403
AlmaLinux:9kernel-rt5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-rt-64k6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9kernel-rt-64k5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-rt-64k-core6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9kernel-rt-64k-core5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-rt-64k-debug6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9kernel-rt-64k-debug5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-rt-64k-debug-core6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9kernel-rt-64k-debug-core5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-rt-64k-debug-devel6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9kernel-rt-64k-debug-devel5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-rt-64k-debug-modules6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9kernel-rt-64k-debug-modules5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-rt-64k-debug-modules-core6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9kernel-rt-64k-debug-modules-core5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-rt-64k-debug-modules-extra6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9kernel-rt-64k-debug-modules-extra5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-rt-64k-devel6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9kernel-rt-64k-devel5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-rt-64k-modules6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9kernel-rt-64k-modules5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-rt-64k-modules-core6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9kernel-rt-64k-modules-core5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-rt-64k-modules-extra6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9kernel-rt-64k-modules-extra5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-rt-core6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:8kernel-rt-core4.18.0-553.166.1.rt7.507.el8_10ALSA-2026:70403
AlmaLinux:9kernel-rt-core5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-rt-debug6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:8kernel-rt-debug4.18.0-553.166.1.rt7.507.el8_10ALSA-2026:70403
AlmaLinux:9kernel-rt-debug5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-rt-debug-core6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:8kernel-rt-debug-core4.18.0-553.166.1.rt7.507.el8_10ALSA-2026:70403
AlmaLinux:9kernel-rt-debug-core5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-rt-debug-devel6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:8kernel-rt-debug-devel4.18.0-553.166.1.rt7.507.el8_10ALSA-2026:70403
AlmaLinux:9kernel-rt-debug-devel5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-rt-debug-modules6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:8kernel-rt-debug-modules4.18.0-553.166.1.rt7.507.el8_10ALSA-2026:70403
AlmaLinux:9kernel-rt-debug-modules5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-rt-debug-modules-core6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9kernel-rt-debug-modules-core5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-rt-debug-modules-extra6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:8kernel-rt-debug-modules-extra4.18.0-553.166.1.rt7.507.el8_10ALSA-2026:70403
AlmaLinux:9kernel-rt-debug-modules-extra5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-rt-devel6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:8kernel-rt-devel4.18.0-553.166.1.rt7.507.el8_10ALSA-2026:70403
AlmaLinux:9kernel-rt-devel5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-rt-modules6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:8kernel-rt-modules4.18.0-553.166.1.rt7.507.el8_10ALSA-2026:70403
AlmaLinux:9kernel-rt-modules5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-rt-modules-core6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9kernel-rt-modules-core5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-rt-modules-extra6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:8kernel-rt-modules-extra4.18.0-553.166.1.rt7.507.el8_10ALSA-2026:70403
AlmaLinux:9kernel-rt-modules-extra5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-tools6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:8kernel-tools4.18.0-553.166.1.el8_10ALSA-2026:70402
AlmaLinux:9kernel-tools5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-tools-libs6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:8kernel-tools-libs4.18.0-553.166.1.el8_10ALSA-2026:70402
AlmaLinux:9kernel-tools-libs5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-tools-libs-devel6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:8kernel-tools-libs-devel4.18.0-553.166.1.el8_10ALSA-2026:70402
AlmaLinux:9kernel-tools-libs-devel5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-uki-virt6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9kernel-uki-virt5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-uki-virt-addons6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9kernel-uki-virt-addons5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-zfcpdump6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:8kernel-zfcpdump4.18.0-553.166.1.el8_10ALSA-2026:70402
AlmaLinux:9kernel-zfcpdump5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-zfcpdump-core6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:8kernel-zfcpdump-core4.18.0-553.166.1.el8_10ALSA-2026:70402
AlmaLinux:9kernel-zfcpdump-core5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-zfcpdump-devel6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:8kernel-zfcpdump-devel4.18.0-553.166.1.el8_10ALSA-2026:70402
AlmaLinux:9kernel-zfcpdump-devel5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-zfcpdump-devel-matched6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9kernel-zfcpdump-devel-matched5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-zfcpdump-modules6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:8kernel-zfcpdump-modules4.18.0-553.166.1.el8_10ALSA-2026:70402
AlmaLinux:9kernel-zfcpdump-modules5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-zfcpdump-modules-core6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9kernel-zfcpdump-modules-core5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10kernel-zfcpdump-modules-extra6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:8kernel-zfcpdump-modules-extra4.18.0-553.166.1.el8_10ALSA-2026:70402
AlmaLinux:9kernel-zfcpdump-modules-extra5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10libperf6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9libperf5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10perf6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:8perf4.18.0-553.166.1.el8_10ALSA-2026:70402
AlmaLinux:9perf5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10python3-perf6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:8python3-perf4.18.0-553.166.1.el8_10ALSA-2026:70402
AlmaLinux:9python3-perf5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10rtla6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9rtla5.14.0-687.47.1.el9_8ALSA-2026:67150
AlmaLinux:10rv6.12.0-211.50.1.el10_2ALSA-2026:61887
AlmaLinux:9rv5.14.0-687.47.1.el9_8ALSA-2026:67150
Debian:12linuxno fix listedDEBIAN-CVE-2026-53053
Debian:13linux6.12.94-1DEBIAN-CVE-2026-53053
Debian:14linux7.0.10-1DEBIAN-CVE-2026-53053
Rocky Linux:10kernel0:6.12.0-211.50.1.el10_2RLSA-2026:61887
Rocky Linux:8kernel0:4.18.0-553.166.1.el8_10RLSA-2026:70402
Rocky Linux:9kernel0:5.14.0-687.47.1.el9_8RLSA-2026:67150
Rocky Linux:8kernel-rt0:4.18.0-553.166.1.rt7.507.el8_10RLSA-2026:70403
Ubuntu:22.04:LTSlinuxno fix listedUBUNTU-CVE-2026-53053
Ubuntu:24.04:LTSlinuxno fix listedUBUNTU-CVE-2026-53053
Ubuntu:25.10linuxno fix listedUBUNTU-CVE-2026-53053
Ubuntu:26.04:LTSlinux7.0.0-28.28UBUNTU-CVE-2026-53053
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2026-53053
Ubuntu:22.04:LTSlinux-awsno fix listedUBUNTU-CVE-2026-53053
Ubuntu:24.04:LTSlinux-awsno fix listedUBUNTU-CVE-2026-53053
Ubuntu:25.10linux-awsno fix listedUBUNTU-CVE-2026-53053
Ubuntu:26.04:LTSlinux-aws7.0.0-1009.9UBUNTU-CVE-2026-53053

Affected products (as reported)

VendorProductVersions
Linux Linux 3332364e4ebc0581d133a334645a20fd13b580f1 – before 880a2e6c887c8f51870c0a00dfba3c8519178b653332364e4ebc0581d133a334645a20fd13b580f1 – before 166a08644aa509e5d27e154d7fa774f4181df9e03332364e4ebc0581d133a334645a20fd13b580f1 – before dbd76a537d8cb814e7f5b795ab21ecb7949c821d3332364e4ebc0581d133a334645a20fd13b580f1 – before 20b3c566e2702e5d4d0545be8a97029a2eebcc0e3332364e4ebc0581d133a334645a20fd13b580f1 – before dae251ff11d2d2208a029f98923756831cefec463332364e4ebc0581d133a334645a20fd13b580f1 – before faad224fe0f0857a04ff2eb3c90f0de57f47d0f31f03a258f20f1699ede29bb40804074db9398a0d5.4.17 – before 5.5
Linux Linux 5.5

Weakness: CWE-681 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References