CVE-2026-23014Disclosure(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: perf: Ensure swevent hrtimer is properly destroyed With the change to hrtimer_try_to_cancel() in perf_swevent_cancel_hrtimer() it appears possible for the hrtimer to still be active by the time the event gets freed. Make sure the event does a full hrtimer_cancel() on the free path by installing a perf_event::destroy handler.

0.5/ 10 priority

Sources & remediation

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

2 versions affected across 1 product

Deep dive

Activity timeline2 mentions / 1d
01122Mentions · 2026-01-28: 2Patch / Workaround · 2026-01-28: 1Technical Details · 2026-01-28: 201-28
Signal classification2 categories
Disclosure
150.0%
Patch
150.0%
Referenced assets2 URLs
Full discourse2 posts
  • CVE@CVEnew
    Patch

    CVE-2026-23014 In the Linux kernel, the following vulnerability has been resolved: perf: Ensure swevent hrtimer is properly destroyed With the change to hrtimer_try_to_cancel() in… https://www.cve.org/CVERecord?id=CVE-2026-23014

    Post summary

    Vulnerability CVE‑2026‑23014 in the Linux kernel has been fixed by updating the hrtimer logic; no exploitation or PoC details are disclosed in the text.

    01020225
    56.5K followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-23014 Linux Kernel Perf Event Hrtimer Use-After-Free Vulnerability https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-23014

    Post summary

    The post discloses a new use‑after‑free vulnerability in Linux Kernel Perf Event Hrtimer (CVE-2026-23014) with no PoC, exploit, or patch details.

    0000047
    4.0K followersView on X
CPE platform detail10 entries

10 of 10 entries

PartVendorProductVersionTarget SWTarget HW
OSlinuxlinux_kernel---
OSlinuxlinux_kernel6.18--
OSlinuxlinux_kernel6.19--
OSlinuxlinux_kernel6.19--
OSlinuxlinux_kernel6.19--
OSlinuxlinux_kernel6.19--
OSlinuxlinux_kernel6.19--
OSlinuxlinux_kernel6.19--
OSlinuxlinux_kernel6.19--
OSlinuxlinux_kernel6.19--

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