CVE-2026-80572Patch

LOWCVSS 7.8 · HIGH

Signal is active with 2 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: Input: byd - synchronize timer deletion before freeing private data byd_disconnect() uses timer_delete() before freeing the driver's private data. This does not wait for a running byd_clear_touch() callback, which dereferences the private data and its psmouse pointer. A callback racing with disconnect can therefore access the private data after it has been freed. The timer can also still be re-armed by byd_process_byte() while the disconnect is in progress. Use timer_shutdown_sync() before freeing the private data: it waits for a running callback and turns any later re-arm attempt into a no-op.

0.5/ 10 priority

Sources & remediation

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Threat summary

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

What's happening

  • Patch or workaround mentioned in 2 signals
  • Technical details provided in 3 signals
  • Disclosure: 1 classified signal
  • Peaked at 2 mentions on most recent observed day (2026-08-28)
  • 3 total mentions across 2 days

Deep dive

Activity timeline3 mentions / 2d
01122Mentions · 2026-08-26: 1Mentions · 2026-08-28: 2Patch / Workaround · 2026-08-28: 2Technical Details · 2026-08-26: 1Technical Details · 2026-08-28: 208-2608-28
Signal classification2 categories
Patch
266.7%
Disclosure
133.3%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-08-261
Disclosure1
2026-08-282
Patch2
Full discourse3 posts
  • Infoflowcloud@infoflowcloud
    Patch

    🚨*CVE* CVE-2026-80572 In the Linux kernel, the following vulnerability has been resolved: Input: byd - synchronize timer deletion before freeing private data byd_disconnect() uses timer_… https://www.cve.org/CVERecord?id=CVE-2026-80572 ----- Traducción: CVE-2026-80572 En … https://infoflow.cloud`

    Post summary

    CVE‑2026‑80572, a timing‑related flaw in code path byd_disconnect() of the Linux kernel, has been fixed; no proof‑of‑concept or exploitation details are supplied.

    0000041
    102 followersView on X
  • CVE@CVEnew
    Patch

    CVE-2026-80572 In the Linux kernel, the following vulnerability has been resolved: Input: byd - synchronize timer deletion before freeing private data byd_disconnect() uses timer_… https://www.cve.org/CVERecord?id=CVE-2026-80572

    Post summary

    The post notes that CVE‑2026‑80572 in the Linux kernel has been resolved, implicitly indicating a vendor patch is available. No PoC, exploit, or active exploitation details are provided.

    000001.4K
    58.0K followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-80572 Linux Kernel Race Condition Allows Data Access After Freeing https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-80572

    Post summary

    The post announces a Linux kernel race‑condition vulnerability (CVE‑2026‑80572) that permits data access after memory freeing, without providing PoC, exploit, or patch details.

    0000095
    4.1K followersView on X

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