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Fencer Intel
high 7.8

CVE-2025-71089 json

iommu: disable SVA when CONFIG_X86 is set

published 2026-01-13 9 mo ago modified 2026-10-30 10 d ago also EUVD-2026-2241

cvss
7.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 5%
public exploits
0
none known

Summary

In the Linux kernel, the following vulnerability has been resolved:

iommu: disable SVA when CONFIG_X86 is set

Patch series "Fix stale IOTLB entries for kernel address space", v7.

This proposes a fix for a security vulnerability related to IOMMU Shared Virtual Addressing (SVA). In an SVA context, an IOMMU can cache kernel page table entries. When a kernel page table page is freed and reallocated for another purpose, the IOMMU might still hold stale, incorrect entries. This can be exploited to cause a use-after-free or write-after-free condition, potentially leading to privilege escalation or data corruption.

This solution introduces a deferred freeing mechanism for kernel page table pages, which provides a safe window to notify the IOMMU to invalidate its caches before the page is reused.

This patch (of 8):

In the IOMMU Shared Virtual Addressing (SVA) context, the IOMMU hardware shares and walks the CPU's page tables. The x86 architecture maps the kernel's virtual address space into the upper portion of every process's page table. Consequently, in an SVA context, the IOMMU hardware can walk and cache kernel page table entries.

The Linux kernel currently lacks a notification mechanism for kernel page table changes, specifically when page table pages are freed and reused. The IOMMU driver is only notified of changes to user virtual address mappings. This can cause the IOMMU's internal caches to retain stale entries for kernel VA.

Use-After-Free (UAF) and Write-After-Free (WAF) conditions arise when kernel page table pages are freed and later reallocated. The IOMMU could misinterpret the new data as valid page table entries. The IOMMU might then walk into attacker-controlled memory, leading to arbitrary physical memory DMA access or privilege escalation. This is also a Write-After-Free issue, as the IOMMU will potentially continue to write Accessed and Dirty bits to the freed memory while attempting to walk the stale page tables.

Currently, SVA contexts are unprivileged and cannot access kernel mappings. However, the IOMMU will still walk kernel-only page tables all the way down to the leaf entries, where it realizes the mapping is for the kernel and errors out. This means the IOMMU still caches these intermediate page table entries, making the described vulnerability a real concern.

Disable SVA on x86 architecture until the IOMMU can receive notification to flush the paging cache before freeing the CPU kernel page table pages.

Patch / fix

  • Linux Linux 5.10.273, 5.15.200, 6.1.163, 6.6.120, 6.12.64, 6.18.4, 6.19
  • linux Debian 12 6.1.164-1
  • linux Debian 13 6.12.69-1
  • linux Debian 14 6.18.5-1

debian advisories DEBIAN-CVE-2025-71089

  • linux Ubuntu 22.04 LTS 5.15.0-185.195
  • linux Ubuntu 24.04 LTS 6.8.0-110.110
  • linux Ubuntu 25.10 6.17.0-22.22
  • linux-aws Ubuntu 22.04 LTS 5.15.0-1111.118
  • linux-aws Ubuntu 24.04 LTS 6.8.0-1052.55
  • linux-aws Ubuntu 25.10 6.17.0-1012.12
  • linux-gcp Ubuntu 22.04 LTS 5.15.0-1111.121
  • linux-gcp Ubuntu 24.04 LTS 6.8.0-1054.57

ubuntu advisories UBUNTU-CVE-2025-71089

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • kernel RHEL 8 4.18.0-553.143.1.el8_10
  • perf RHEL 8 4.18.0-553.143.1.el8_10
  • bpftool RHEL 8 4.18.0-553.143.1.el8_10
  • kernel-core RHEL 8 4.18.0-553.143.1.el8_10
  • kernel-tools RHEL 8 4.18.0-553.143.1.el8_10
  • python3-perf RHEL 8 4.18.0-553.143.1.el8_10
  • kernel-modules RHEL 8 4.18.0-553.143.1.el8_10
  • kernel-zfcpdump RHEL 8 4.18.0-553.143.1.el8_10

red hat advisories RHSA-2026:55445RHSA-2026:39083RHSA-2026:39082RHSA-2026:26563RHSA-2026:26535RHSA-2026:26515

  • kernel-livepatch-MICRO-6-0-RT_Update_13 Linux Micro 6.1, Linux Micro 6.0 9-1.1
  • kernel-livepatch-SLE16_Update_2 SLES 16.0, Linux Micro 6.2, SLES for SAP applications 16.0 11-160000.1.1
  • kernel-livepatch-SLE16_Update_0 SLES 16.0, Linux Micro 6.2, SLES for SAP applications 16.0 15-160000.4.3
  • kernel-livepatch-MICRO-6-0-RT_Update_10 Linux Micro 6.1, Linux Micro 6.0 18-1.1
  • kernel-livepatch-MICRO-6-0-RT_Update_11 Linux Micro 6.1, Linux Micro 6.0 14-1.1
  • kernel-livepatch-MICRO-6-0-RT_Update_12 Linux Micro 6.1, Linux Micro 6.0 13-1.1
  • kernel-livepatch-MICRO-6-0-RT_Update_9 Linux Micro 6.1, Linux Micro 6.0 18-1.2
  • kernel-livepatch-SLE16_Update_3 SLES 16.0, Linux Micro 6.2, SLES for SAP applications 16.0 10-160000.1.1

suse advisories SUSE-SU-2026:22689-1SUSE-SU-2026:22711-1SUSE-SU-2026:22761-1SUSE-SU-2026:22876-1SUSE-SU-2026:22755-1SUSE-SU-2026:22872-1

  • kernel-rt openSUSE Leap 16.0 6.12.0-160000.26.1
  • dtb-aarch64 openSUSE Leap 16.0 6.12.0-160000.26.1
  • kernel-64kb openSUSE Leap 16.0 6.12.0-160000.26.1
  • kernel-syms openSUSE Leap 16.0 6.12.0-160000.26.1
  • kernel-azure openSUSE Leap 16.0 6.12.0-160000.26.1
  • kernel-obs-qa openSUSE Leap 16.0 6.12.0-160000.26.1
  • kernel-source openSUSE Leap 16.0 6.12.0-160000.26.1
  • kernel-default openSUSE Leap 16.0 6.12.0-160000.26.1

opensuse advisories openSUSE-SU-2026:20287-1

  • kernel-rt AlmaLinux 8 4.18.0-553.143.1.rt7.484.el8_10
  • kernel-rt-core AlmaLinux 8 4.18.0-553.143.1.rt7.484.el8_10
  • kernel-rt-modules AlmaLinux 8 4.18.0-553.143.1.rt7.484.el8_10
  • kernel-rt-debug-core AlmaLinux 8 4.18.0-553.143.1.rt7.484.el8_10
  • kernel-rt-debug-modules AlmaLinux 8 4.18.0-553.143.1.rt7.484.el8_10
  • kernel-rt-modules-extra AlmaLinux 8 4.18.0-553.143.1.rt7.484.el8_10
  • kernel-rt-debug-modules-extra AlmaLinux 8 4.18.0-553.143.1.rt7.484.el8_10
  • kernel AlmaLinux 8 4.18.0-553.143.1.el8_10

almalinux advisories ALSA-2026:39082ALSA-2026:39083ALSA-2026:21556

  • kernel Rocky Linux 9 5.14.0-687.12.1.el9_8

rocky linux advisories RLSA-2026:21556

  • kernel Azure Linux 3.0 6.6.121.1-1

azure linux advisories AZL-74330

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-71089 updated cvss 6.6

kernel: iommu: disable SVA when CONFIG_X86 is set

  • Red Hat Enterprise Linux 9 kernel-rt, kernel-rt-kvm, kernel-rt-core, kernel-rt-modules, kernel-rt-debug-kvm, kernel-rt-debug-core, +12 more Red Hat Enterprise Linux 10 kernel
    affected: no fix available
  • Red Hat CodeReady Linux Builder EUS (v.9.6) libperf 5.14.0-570.120.1.el9_6, kernel-debuginfo-common-s390x 5.14.0-570.120.1.el9_6, kernel-debuginfo-common-x86_64 5.14.0-570.120.1.el9_6, kernel-debuginfo-common-aarch64 5.14.0-570.120.1.el9_6, kernel-debuginfo-common-ppc64le 5.14.0-570.120.1.el9_6
    fixed: vendor fix RHSA-2026:25218
  • Red Hat Enterprise Linux AppStream (v. 9) rv 5.14.0-687.12.1.el9_8, perf 5.14.0-687.12.1.el9_8, rtla 5.14.0-687.12.1.el9_8, python3-perf 5.14.0-687.12.1.el9_8, kernel-devel-matched 5.14.0-687.12.1.el9_8, kernel-64k-devel-matched 5.14.0-687.12.1.el9_8, +7 more
    fixed: vendor fix RHSA-2026:21556
  • Red Hat Enterprise Linux AppStream E4S (v.9.2) perf 5.14.0-284.176.1.el9_2, rtla 5.14.0-284.176.1.el9_2, kernel-devel-matched 5.14.0-284.176.1.el9_2, kernel-64k-devel-matched 5.14.0-284.176.1.el9_2, kernel-debug-devel-matched 5.14.0-284.176.1.el9_2, kernel-debuginfo-common-s390x 5.14.0-284.176.1.el9_2, +5 more
    fixed: vendor fix RHSA-2026:26515
  • Red Hat Enterprise Linux AppStream E4S (v.9.4) rv 5.14.0-427.129.1.el9_4, perf 5.14.0-427.129.1.el9_4, rtla 5.14.0-427.129.1.el9_4, kernel-devel-matched 5.14.0-427.129.1.el9_4, kernel-64k-devel-matched 5.14.0-427.129.1.el9_4, kernel-debug-devel-matched 5.14.0-427.129.1.el9_4, +6 more
    fixed: vendor fix RHSA-2026:23237
  • Red Hat Enterprise Linux AppStream EUS (v. 10.0) rv 6.12.0-55.98.1.el10_0, perf 6.12.0-55.98.1.el10_0, rtla 6.12.0-55.98.1.el10_0, python3-perf 6.12.0-55.98.1.el10_0, kernel-devel-matched 6.12.0-55.98.1.el10_0, kernel-64k-devel-matched 6.12.0-55.98.1.el10_0, +7 more
    fixed: vendor fix RHSA-2026:55445
  • Red Hat Enterprise Linux AppStream EUS (v.9.6) rv 5.14.0-570.120.1.el9_6, perf 5.14.0-570.120.1.el9_6, rtla 5.14.0-570.120.1.el9_6, python3-perf 5.14.0-570.120.1.el9_6, kernel-devel-matched 5.14.0-570.120.1.el9_6, kernel-64k-devel-matched 5.14.0-570.120.1.el9_6, +7 more
    fixed: vendor fix RHSA-2026:25218
  • Red Hat Enterprise Linux BaseOS (v. 8) perf 4.18.0-553.143.1.el8_10, kernel 4.18.0-553.143.1.el8_10, bpftool 4.18.0-553.143.1.el8_10, kernel-core 4.18.0-553.143.1.el8_10, kernel-tools 4.18.0-553.143.1.el8_10, python3-perf 4.18.0-553.143.1.el8_10, +15 more
    fixed: vendor fix RHSA-2026:39083
show 27 more
  • Red Hat Enterprise Linux BaseOS (v. 9) kernel 5.14.0-687.12.1.el9_8, kernel-64k 5.14.0-687.12.1.el9_8, kernel-core 5.14.0-687.12.1.el9_8, kernel-tools 5.14.0-687.12.1.el9_8, kernel-modules 5.14.0-687.12.1.el9_8, kernel-64k-core 5.14.0-687.12.1.el9_8, +27 more
    fixed: vendor fix RHSA-2026:21556
  • Red Hat Enterprise Linux BaseOS AUS (v.8.4) perf 4.18.0-305.194.1.el8_4, kernel 4.18.0-305.194.1.el8_4, bpftool 4.18.0-305.194.1.el8_4, kernel-core 4.18.0-305.194.1.el8_4, kernel-tools 4.18.0-305.194.1.el8_4, python3-perf 4.18.0-305.194.1.el8_4, +8 more
    fixed: vendor fix RHSA-2026:26535
  • Red Hat Enterprise Linux BaseOS AUS (v.8.6) perf 4.18.0-372.195.1.el8_6, kernel 4.18.0-372.195.1.el8_6, bpftool 4.18.0-372.195.1.el8_6, kernel-core 4.18.0-372.195.1.el8_6, kernel-tools 4.18.0-372.195.1.el8_6, python3-perf 4.18.0-372.195.1.el8_6, +8 more
    fixed: vendor fix RHSA-2026:25533
  • Red Hat Enterprise Linux BaseOS E4S (v.8.8) perf 4.18.0-477.147.1.el8_8, kernel 4.18.0-477.147.1.el8_8, bpftool 4.18.0-477.147.1.el8_8, kernel-core 4.18.0-477.147.1.el8_8, kernel-tools 4.18.0-477.147.1.el8_8, python3-perf 4.18.0-477.147.1.el8_8, +9 more
    fixed: vendor fix RHSA-2026:26563
  • Red Hat Enterprise Linux BaseOS E4S (v.9.2) bpftool 7.0.0-284.176.1.el9_2, kernel 5.14.0-284.176.1.el9_2, kernel-64k 5.14.0-284.176.1.el9_2, kernel-core 5.14.0-284.176.1.el9_2, kernel-tools 5.14.0-284.176.1.el9_2, python3-perf 5.14.0-284.176.1.el9_2, +28 more
    fixed: vendor fix RHSA-2026:26515
  • Red Hat Enterprise Linux BaseOS E4S (v.9.4) bpftool 7.3.0-427.129.1.el9_4, kernel 5.14.0-427.129.1.el9_4, kernel-64k 5.14.0-427.129.1.el9_4, kernel-core 5.14.0-427.129.1.el9_4, kernel-tools 5.14.0-427.129.1.el9_4, python3-perf 5.14.0-427.129.1.el9_4, +28 more
    fixed: vendor fix RHSA-2026:23237
  • Red Hat Enterprise Linux BaseOS EUS (v. 10.0) kernel 6.12.0-55.98.1.el10_0, kernel-64k 6.12.0-55.98.1.el10_0, kernel-core 6.12.0-55.98.1.el10_0, kernel-tools 6.12.0-55.98.1.el10_0, kernel-modules 6.12.0-55.98.1.el10_0, kernel-64k-core 6.12.0-55.98.1.el10_0, +27 more
    fixed: vendor fix RHSA-2026:55445
  • Red Hat Enterprise Linux BaseOS EUS (v.9.6) kernel 5.14.0-570.120.1.el9_6, kernel-64k 5.14.0-570.120.1.el9_6, kernel-core 5.14.0-570.120.1.el9_6, kernel-tools 5.14.0-570.120.1.el9_6, kernel-modules 5.14.0-570.120.1.el9_6, kernel-64k-core 5.14.0-570.120.1.el9_6, +27 more
    fixed: vendor fix RHSA-2026:25218
  • Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4) perf 4.18.0-305.194.1.el8_4, kernel 4.18.0-305.194.1.el8_4, bpftool 4.18.0-305.194.1.el8_4, kernel-core 4.18.0-305.194.1.el8_4, kernel-tools 4.18.0-305.194.1.el8_4, python3-perf 4.18.0-305.194.1.el8_4, +8 more
    fixed: vendor fix RHSA-2026:26535
  • Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.6) perf 4.18.0-372.195.1.el8_6, kernel 4.18.0-372.195.1.el8_6, bpftool 4.18.0-372.195.1.el8_6, kernel-core 4.18.0-372.195.1.el8_6, kernel-tools 4.18.0-372.195.1.el8_6, python3-perf 4.18.0-372.195.1.el8_6, +8 more
    fixed: vendor fix RHSA-2026:25533
  • Red Hat Enterprise Linux BaseOS TUS (v.8.8) perf 4.18.0-477.147.1.el8_8, kernel 4.18.0-477.147.1.el8_8, bpftool 4.18.0-477.147.1.el8_8, kernel-core 4.18.0-477.147.1.el8_8, kernel-tools 4.18.0-477.147.1.el8_8, python3-perf 4.18.0-477.147.1.el8_8, +8 more
    fixed: vendor fix RHSA-2026:26563
  • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) libperf 5.14.0-687.12.1.el9_8, kernel-debuginfo-common-s390x 5.14.0-687.12.1.el9_8, kernel-debuginfo-common-x86_64 5.14.0-687.12.1.el9_8, kernel-debuginfo-common-aarch64 5.14.0-687.12.1.el9_8, kernel-debuginfo-common-ppc64le 5.14.0-687.12.1.el9_8
    fixed: vendor fix RHSA-2026:21556
  • Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) libperf 6.12.0-55.98.1.el10_0, kernel-debuginfo-common-s390x 6.12.0-55.98.1.el10_0, kernel-debuginfo-common-x86_64 6.12.0-55.98.1.el10_0, kernel-debuginfo-common-aarch64 6.12.0-55.98.1.el10_0, kernel-debuginfo-common-ppc64le 6.12.0-55.98.1.el10_0
    fixed: vendor fix RHSA-2026:55445
  • Red Hat Enterprise Linux CRB (v. 8) kernel-debuginfo-common-x86_64 4.18.0-553.143.1.el8_10, kernel-debuginfo-common-aarch64 4.18.0-553.143.1.el8_10, kernel-debuginfo-common-ppc64le 4.18.0-553.143.1.el8_10
    fixed: vendor fix RHSA-2026:39083
  • Red Hat Enterprise Linux NFV (v. 8) kernel-rt 4.18.0-553.143.1.rt7.484.el8_10, kernel-rt-kvm 4.18.0-553.143.1.rt7.484.el8_10, kernel-rt-core 4.18.0-553.143.1.rt7.484.el8_10, kernel-rt-modules 4.18.0-553.143.1.rt7.484.el8_10, kernel-rt-debug-kvm 4.18.0-553.143.1.rt7.484.el8_10, kernel-rt-debug-core 4.18.0-553.143.1.rt7.484.el8_10, +4 more
    fixed: vendor fix RHSA-2026:39082
  • Red Hat Enterprise Linux Real Time (v. 9) kernel-rt 5.14.0-687.12.1.el9_8, kernel-rt-64k 5.14.0-687.12.1.el9_8, kernel-rt-core 5.14.0-687.12.1.el9_8, kernel-rt-modules 5.14.0-687.12.1.el9_8, kernel-rt-64k-core 5.14.0-687.12.1.el9_8, kernel-rt-debug-core 5.14.0-687.12.1.el9_8, +14 more
    fixed: vendor fix RHSA-2026:21556
  • Red Hat Enterprise Linux Real Time E4S (v.9.2) kernel-rt 5.14.0-284.176.1.rt14.461.el9_2, kernel-rt-core 5.14.0-284.176.1.rt14.461.el9_2, kernel-rt-modules 5.14.0-284.176.1.rt14.461.el9_2, kernel-rt-debug-core 5.14.0-284.176.1.rt14.461.el9_2, kernel-rt-modules-core 5.14.0-284.176.1.rt14.461.el9_2, kernel-rt-debug-modules 5.14.0-284.176.1.rt14.461.el9_2, +4 more
    fixed: vendor fix RHSA-2026:26462
  • Red Hat Enterprise Linux Real Time E4S (v.9.4) kernel-rt 5.14.0-427.129.1.el9_4, kernel-rt-core 5.14.0-427.129.1.el9_4, kernel-rt-modules 5.14.0-427.129.1.el9_4, kernel-rt-debug-core 5.14.0-427.129.1.el9_4, kernel-rt-modules-core 5.14.0-427.129.1.el9_4, kernel-rt-debug-modules 5.14.0-427.129.1.el9_4, +4 more
    fixed: vendor fix RHSA-2026:23237
  • Red Hat Enterprise Linux Real Time EUS (v. 10.0) kernel-rt 6.12.0-55.98.1.el10_0, kernel-rt-64k 6.12.0-55.98.1.el10_0, kernel-rt-core 6.12.0-55.98.1.el10_0, kernel-rt-modules 6.12.0-55.98.1.el10_0, kernel-rt-64k-core 6.12.0-55.98.1.el10_0, kernel-rt-debug-core 6.12.0-55.98.1.el10_0, +14 more
    fixed: vendor fix RHSA-2026:55445
  • Red Hat Enterprise Linux Real Time EUS (v.9.6) kernel-rt 5.14.0-570.120.1.el9_6, kernel-rt-64k 5.14.0-570.120.1.el9_6, kernel-rt-core 5.14.0-570.120.1.el9_6, kernel-rt-modules 5.14.0-570.120.1.el9_6, kernel-rt-64k-core 5.14.0-570.120.1.el9_6, kernel-rt-debug-core 5.14.0-570.120.1.el9_6, +14 more
    fixed: vendor fix RHSA-2026:25218
  • Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt 5.14.0-687.12.1.el9_8, kernel-rt-core 5.14.0-687.12.1.el9_8, kernel-rt-modules 5.14.0-687.12.1.el9_8, kernel-rt-debug-core 5.14.0-687.12.1.el9_8, kernel-rt-modules-core 5.14.0-687.12.1.el9_8, kernel-rt-debug-modules 5.14.0-687.12.1.el9_8, +4 more
    fixed: vendor fix RHSA-2026:21556
  • Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2) kernel-rt 5.14.0-284.176.1.rt14.461.el9_2, kernel-rt-kvm 5.14.0-284.176.1.rt14.461.el9_2, kernel-rt-core 5.14.0-284.176.1.rt14.461.el9_2, kernel-rt-modules 5.14.0-284.176.1.rt14.461.el9_2, kernel-rt-debug-kvm 5.14.0-284.176.1.rt14.461.el9_2, kernel-rt-debug-core 5.14.0-284.176.1.rt14.461.el9_2, +6 more
    fixed: vendor fix RHSA-2026:26462
  • Red Hat Enterprise Linux Real Time for NFV E4S (v.9.4) kernel-rt 5.14.0-427.129.1.el9_4, kernel-rt-kvm 5.14.0-427.129.1.el9_4, kernel-rt-core 5.14.0-427.129.1.el9_4, kernel-rt-modules 5.14.0-427.129.1.el9_4, kernel-rt-debug-kvm 5.14.0-427.129.1.el9_4, kernel-rt-debug-core 5.14.0-427.129.1.el9_4, +6 more
    fixed: vendor fix RHSA-2026:23237
  • Red Hat Enterprise Linux Real Time for NFV EUS (v. 10.0) kernel-rt 6.12.0-55.98.1.el10_0, kernel-rt-kvm 6.12.0-55.98.1.el10_0, kernel-rt-core 6.12.0-55.98.1.el10_0, kernel-rt-modules 6.12.0-55.98.1.el10_0, kernel-rt-debug-kvm 6.12.0-55.98.1.el10_0, kernel-rt-debug-core 6.12.0-55.98.1.el10_0, +6 more
    fixed: vendor fix RHSA-2026:55445
  • Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6) kernel-rt 5.14.0-570.120.1.el9_6, kernel-rt-kvm 5.14.0-570.120.1.el9_6, kernel-rt-core 5.14.0-570.120.1.el9_6, kernel-rt-modules 5.14.0-570.120.1.el9_6, kernel-rt-debug-kvm 5.14.0-570.120.1.el9_6, kernel-rt-debug-core 5.14.0-570.120.1.el9_6, +6 more
    fixed: vendor fix RHSA-2026:25218
  • Red Hat Enterprise Linux RT (v. 8) kernel-rt 4.18.0-553.143.1.rt7.484.el8_10, kernel-rt-core 4.18.0-553.143.1.rt7.484.el8_10, kernel-rt-modules 4.18.0-553.143.1.rt7.484.el8_10, kernel-rt-debug-core 4.18.0-553.143.1.rt7.484.el8_10, kernel-rt-debug-modules 4.18.0-553.143.1.rt7.484.el8_10, kernel-rt-modules-extra 4.18.0-553.143.1.rt7.484.el8_10, +2 more
    fixed: vendor fix RHSA-2026:39082
  • Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, python-perf, kernel-kdump, +8 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
4 mo ago

Exploit prediction

0.16% chance of exploitation in the next 30 days, higher than 5% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Linux Linux

Classification

Weakness
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.