VulnSocial

CVE-2026-23429Patch(linux / linux_kernel)

LOWCVSS 5.5 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch linux linux_kernel systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

In the Linux kernel, the following vulnerability has been resolved: iommu/sva: Fix crash in iommu_sva_unbind_device() domain->mm->iommu_mm can be freed by iommu_domain_free(): iommu_domain_free() mmdrop() __mmdrop() mm_pasid_drop() After iommu_domain_free() returns, accessing domain->mm->iommu_mm may dereference a freed mm structure, leading to a crash. Fix this by moving the code that accesses domain->mm->iommu_mm to before the call to iommu_domain_free().

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0.5/ 10 priority

Sources & remediation

Patch / fix

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • linux_kernel

Threat summary

  • Patch or workaround signal is available
  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 2 signals
  • General: 1 classified signal
  • Peaked 1d ago at 1 mentions (2026-04-03); latest day: 1
  • 2 total mentions across 2 days

Affected systems

Vendors
linux
Products
linux_kernel

2 versions affected across 1 product

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-04-03: 1Mentions · 2026-05-07: 1Patch / Workaround · 2026-04-03: 1Technical Details · 2026-04-03: 1Technical Details · 2026-05-07: 104-0305-07
Signal classification2 categories
Patch
150.0%
General
150.0%
Referenced assets2 URLs
Classification over time
DateTotalLabels
2026-04-031
Patch1
2026-05-071
General1
Full discourse2 posts
  • Threat Signal@ThreatSignals
    General

    Kernel Space Rootkits: Modern DKOM in 2026 - CVE-2026-23429 SVA Unbind Race (Ghost PASID) 🔗 https://www.threatsignal.in/post/kernel-space-rootkits-dkom

    Post summary

    The excerpt references CVE‑2026‑23429 as a kernel SVA unbind race vulnerability related to modern DKOM rootkits, but provides only minimal technical detail and no evidence of PoC, exploit, active attacks, or patches.

    0101060
    4 followersView on X
  • CVE@CVEnew
    Patch

    CVE-2026-23429 In the Linux kernel, the following vulnerability has been resolved: iommu/sva: Fix crash in iommu_sva_unbind_device() domain->mm->iommu_mm can be freed by iommu_dom… https://www.cve.org/CVERecord?id=CVE-2026-23429

    Post summary

    The post confirms that CVE‑2026‑23429, a crash in the Linux kernel’s iommu_sva_unbind_device(), has been fixed with a patch.

    00000110
    56.9K followersView on X
CPE platform detail9 entries

9 of 9 entries

PartVendorProductVersionTarget SWTarget HW
OSlinuxlinux_kernel---
OSlinuxlinux_kernel6.19--
OSlinuxlinux_kernel7.0--
OSlinuxlinux_kernel7.0--
OSlinuxlinux_kernel7.0--
OSlinuxlinux_kernel7.0--
OSlinuxlinux_kernel7.0--
OSlinuxlinux_kernel7.0--
OSlinuxlinux_kernel7.0--

Explore more

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