CVE-2024-50034

5.5 · MEDIUM

Published Oct 21, 2024 linux CWE-476 EPSS 0.20% (10th pctl) CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Overview

CVE-2024-50034 is a medium-severity vulnerability affecting linux linux_kernel. It was published on October 21, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical Description

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

net/smc: fix lacks of icsk_syn_mss with IPPROTO_SMC

Eric report a panic on IPPROTO_SMC, and give the facts

that when INET_PROTOSW_ICSK was set, icsk->icsk_sync_mss must be set too.

Bug: Unable to handle kernel NULL pointer dereference at virtual address

0000000000000000

Mem abort info:

ESR = 0x0000000086000005

EC = 0x21: IABT (current EL), IL = 32 bits

SET = 0, FnV = 0

EA = 0, S1PTW = 0

FSC = 0x05: level 1 translation fault

user pgtable: 4k pages, 48-bit VAs, pgdp=00000001195d1000

[0000000000000000] pgd=0800000109c46003, p4d=0800000109c46003,

pud=0000000000000000

Internal error: Oops: 0000000086000005 [#1] PREEMPT SMP

Modules linked in:

CPU: 1 UID: 0 PID: 8037 Comm: syz.3.265 Not tainted

6.11.0-rc7-syzkaller-g5f5673607153 #0

Hardware name: Google Google Compute Engine/Google Compute Engine,

BIOS Google 08/06/2024

pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)

pc : 0x0

lr : cipso_v4_sock_setattr+0x2a

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	>= 6.11, < 6.11.4	Affected

References

Ref git.kernel.org/stable/c/44dc50df15f5bd4221d8f708885a9d49cda7f57e Ref git.kernel.org/stable/c/6fd27ea183c208e478129a85e11d880fc70040f2

Frequently Asked Questions

What is CVE-2024-50034?

CVE-2024-50034 is a medium-severity vulnerability affecting linux linux_kernel. It was published on October 21, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-50034?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2024-50034?

How can CyberStrike help with CVE-2024-50034?

CyberStrike's AI-powered security agents can automatically detect CVE-2024-50034 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.

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