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CVE-2024-50095

7.5 · HIGH
Published Nov 5, 2024 linux EPSS 0.74% (52th pctl)

Overview

CVE-2024-50095 is a high-severity vulnerability affecting linux linux_kernel. It was published on November 5, 2024 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical Description

In the Linux kernel, the following vulnerability has been resolved:

RDMA/mad: Improve handling of timed out WRs of mad agent

Current timeout handler of mad agent acquires/releases mad_agent_priv

lock for every timed out WRs. This causes heavy locking contention

when higher no. of WRs are to be handled inside timeout handler.

This leads to softlockup with below trace in some use cases where

rdma-cm path is used to establish connection between peer nodes

Trace:

-----

BUG: soft lockup - CPU#4 stuck for 26s! [kworker/u128:3:19767]

CPU: 4 PID: 19767 Comm: kworker/u128:3 Kdump: loaded Tainted: G OE

------- --- 5.14.0-427.13.1.el9_4.x86_64 #1

Hardware name: Dell Inc. PowerEdge R740/01YM03, BIOS 2.4.8 11/26/2019

Workqueue: ib_mad1 timeout_sends [ib_core]

RIP: 0010:__do_softirq+0x78/0x2ac

RSP: 0018:ffffb253449e4f98 EFLAGS: 00000246

RAX: 00000000ffffffff RBX: 0000000000000000 RCX: 000000000000001f

RDX: 000000000000001d RSI: 000000003d1879ab RDI: fff363b66fd3a86b

RBP: ffffb253

Remediation

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status
linux linux_kernel >= 0, < 5.10.227 Affected

Frequently Asked Questions

What is CVE-2024-50095?

CVE-2024-50095 is a high-severity vulnerability affecting linux linux_kernel. It was published on November 5, 2024 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-50095?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2024-50095?

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2024-50095?

CyberStrike's AI-powered security agents can automatically detect CVE-2024-50095 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.