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CVE-2023-52574

7.8 · HIGH
Published Mar 2, 2024 linux CWE-476 EPSS 0.24% (15th pctl)

Overview

CVE-2023-52574 is a high-severity vulnerability affecting linux linux_kernel. It was published on March 2, 2024 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. 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:

team: fix null-ptr-deref when team device type is changed

Get a null-ptr-deref bug as follows with reproducer [1].

BUG: kernel NULL pointer dereference, address: 0000000000000228

...

RIP: 0010:vlan_dev_hard_header+0x35/0x140 [8021q]

...

Call Trace:

<TASK>

? __die+0x24/0x70

? page_fault_oops+0x82/0x150

? exc_page_fault+0x69/0x150

? asm_exc_page_fault+0x26/0x30

? vlan_dev_hard_header+0x35/0x140 [8021q]

? vlan_dev_hard_header+0x8e/0x140 [8021q]

neigh_connected_output+0xb2/0x100

ip6_finish_output2+0x1cb/0x520

? nf_hook_slow+0x43/0xc0

? ip6_mtu+0x46/0x80

ip6_finish_output+0x2a/0xb0

mld_sendpack+0x18f/0x250

mld_ifc_work+0x39/0x160

process_one_work+0x1e6/0x3f0

worker_thread+0x4d/0x2f0

? __pfx_worker_thread+0x10/0x10

kthread+0xe5/0x120

? __pfx_kthread+0x10/0x10

ret_from_fork+0x34/0x50

? __pfx_kthread+0x10/0x10

ret_from_fork_asm+0x1b/0x30

[1]

$ teamd -t team0 -d -c '{"runner": {"name": "loadbalance"}}'

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 >= 3.7, < 4.14.327 Affected

Frequently Asked Questions

What is CVE-2023-52574?

CVE-2023-52574 is a high-severity vulnerability affecting linux linux_kernel. It was published on March 2, 2024 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2023-52574?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2023-52574?

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-2023-52574?

CyberStrike's AI-powered security agents can automatically detect CVE-2023-52574 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.