VulnSocial

CVE-2026-46168General(linux / linux_kernel)

LOWCVSS 5.5 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix scheduling with atomic in timestamp sockopt Using lock_sock_fast() (atomic context) around sock_set_timestamp() and sock_set_timestamping() is unsafe, as both helpers can sleep. Replace lock_sock_fast() with sleepable lock_sock()/release_sock() to avoid scheduling while atomic panic.

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0.0/ 10 priority

Sources & remediation

Patch / fix

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

  • 1 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • General: 1 classified signal
  • 1 total mentions across 1 day

Affected systems

Vendors
linux
Products
linux_kernel

1 version affected across 1 product

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-05-29: 1Technical Details · 2026-05-29: 105-29
Signal classification1 categories
General
1100.0%
Referenced assets1 URL
Full discourse1 post
  • WindowsForum@windowsforum
    General

    🪟 A tiny MPTCP timestamp locking bug turning into a kernel panic? Cute. This is why “just networking” still kills servers—one bad lock and your uptime goes full goth. #Windows #Linux #CVE https://windowsforum.com/threads/cve-2026-46168-linux-mptcp-timestamp-lock-bug-can-cause-kernel-panic.420634/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #LinuxKernel #KernelPanic #Mptcp #Cve202646168 https://t.co/YdbMU1L2We

    Post summary

    The post discusses CVE-2026-46168, a kernel panic-inducing MPTCP timestamp locking bug, but contains no proof of concept, exploit, patch, or evidence of active exploitation.

    0000048
    1.1K followersView on X
CPE platform detail2 entries

2 of 2 entries

PartVendorProductVersionTarget SWTarget HW
OSlinuxlinux_kernel---
OSlinuxlinux_kernel7.1--

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