CVE-2026-31522Disclosure(linux / linux_kernel)

LOWCVSS 5.5 · MEDIUM

Signal is active with 2 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: HID: magicmouse: avoid memory leak in magicmouse_report_fixup() The magicmouse_report_fixup() function was returning a newly kmemdup()-allocated buffer, but never freeing it. The caller of report_fixup() does not take ownership of the returned pointer, but it *is* permitted to return a sub-portion of the input rdesc, whose lifetime is managed by the caller.

0.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-401

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

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 1 observed day

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 2 signals
  • Disclosure: 1 classified signal
  • 2 total mentions across 1 day

Affected systems

Vendors
Products
linux_kernel

1 version affected across 1 product

Deep dive

Activity timeline2 mentions / 1d
01122Mentions · 2026-04-22: 2Patch / Workaround · 2026-04-22: 1Technical Details · 2026-04-22: 204-22
Signal classification2 categories
Disclosure
150.0%
Patch
150.0%
Referenced assets2 URLs
Full discourse2 posts
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-31522 Memory Leak in Linux Kernel HID Magicmouse Report Fixup Function https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-31522

    Post summary

    A memory‑leak vulnerability has been disclosed for the Linux Kernel HID Magicmouse Report Fixup function (CVE-2026-31522). No evidence of exploitation, PoC, or patch is provided.

    0000057
    4.0K followersView on X
  • CVE@CVEnew
    Patch

    CVE-2026-31522 In the Linux kernel, the following vulnerability has been resolved: HID: magicmouse: avoid memory leak in magicmouse_report_fixup() The magicmouse_report_fixup() fu… https://www.cve.org/CVERecord?id=CVE-2026-31522

    Post summary

    CVE-2026-31522, affecting the Linux kernel's magicmouse driver, has been patched to prevent a memory leak; no PoC, exploit, or active exploitation is reported.

    0000075
    57.2K followersView on X
CPE platform detail3 entries

3 of 3 entries

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

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