CVE-2026-53376Disclosure(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: drm/amdkfd: Add upper bound check for num_of_nodes drm/amdkfd: Add upper bound check for num_of_nodes in kfd_ioctl_get_process_apertures_new. (cherry picked from commit 98ff46a5ea090c14d2cdb4f5b993b05d74f3949f)

0.5/ 10 priority

Sources & remediation

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 1 signal
  • Disclosure: 1 classified signal
  • Peaked 1d ago at 1 mentions (2026-07-19); latest day: 1
  • 2 total mentions across 2 days

Affected systems

Vendors
Products
linux_kernel

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-07-19: 1Mentions · 2026-07-20: 1Patch / Workaround · 2026-07-20: 1Technical Details · 2026-07-19: 107-1907-20
Signal classification2 categories
Disclosure
150.0%
Patch
150.0%
Referenced assets2 URLs
Classification over time
DateTotalLabels
2026-07-191
Disclosure1
2026-07-201
Patch1
Full discourse2 posts
  • Windows Forum@windowsforum
    Patch

    🛡️ AMDGPU’s KFD had one job: validate num_of_nodes. It didn’t. CVE-2026-53376 lets malformed input reach GPU aperture handling, so Linux users should update to 6.6.140+ before the kernel gets creative. https://windowsforum.com/threads/cve-2026-53376-update-amdgpu-kfd-in-linux-6-6-140.439541/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #LinuxKernel #AmdKfd #RocmSecurity #Wsl2 https://t.co/k6Itevoa0E

    Post summary

    The post reports that CVE-2026-53376 allows malformed input to reach GPU aperture handling and advises Linux users to upgrade to kernel 6.6.140+ to mitigate the issue.

    0000030
    1.3K followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-53376 Integer Overflow in Linux Kernel drm/amdkfd Process Apertures Handler https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-53376

    Post summary

    The post announces an integer overflow vulnerability in the Linux kernel drm/amdkfd Process Apertures Handler, providing no PoC, exploitation details, or mitigation information.

    0000095
    4.1K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
OSlinuxlinux_kernel---

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