VulnSocial

CVE-2026-63881Patch

LOWCVSS 7.8 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch affected 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: fix a vulnerability of integer overflow in kfd debugger get_queue_ids() computes array_size = num_queues * sizeof(uint32_t), which could overflow on 32-bit size_t build. using array_size() instead, it saturates to SIZE_MAX on overflow. (cherry picked from commit 2d57a0475f085c08b49312dfd8edcb461845f285)

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0.5/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-190

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Threat summary

  • Patch or workaround signal is available
  • 1 mentions across 1 observed day

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 1 signal
  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-07-21: 1Patch / Workaround · 2026-07-21: 1Technical Details · 2026-07-21: 107-21
Signal classification1 categories
Patch
1100.0%
Referenced assets1 URL
Full discourse1 post
  • Windows Forum@windowsforum
    Patch

    🛠️ AMD’s KFD had a queue-ID size calculation that could overflow on 32-bit Linux kernels. Narrow target, serious consequences: GPU-compute users should patch to 6.6.143+ before math becomes mayhem. https://windowsforum.com/threads/cve-2026-63881-patch-amd-kfd-overflow-in-linux-6-6-143.439800/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #LinuxKernel #AmdKfd #RocmSecurity #Wsl2 https://t.co/SvDlib4EwJ

    Post summary

    The post alerts of an integer overflow in AMD KFD on 32-bit Linux kernels, urging users to apply the kernel 6.6.143+ patch, with no evidence of disclosed PoC or active exploitation.

    0000021
    1.3K followersView on X

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