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CVE-2024-26764

3.3 · LOW
Published Apr 3, 2024 linux EPSS 0.25% (16th pctl)

Overview

CVE-2024-26764 is a low-severity vulnerability affecting linux linux_kernel. It was published on April 3, 2024 and has a CVSS 3.1 base score of 3.3 (LOW).

This vulnerability has a CVSS 3.1 base score of 3.3, rated LOW. 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:

fs/aio: Restrict kiocb_set_cancel_fn() to I/O submitted via libaio

If kiocb_set_cancel_fn() is called for I/O submitted via io_uring, the

following kernel warning appears:

WARNING: CPU: 3 PID: 368 at fs/aio.c:598 kiocb_set_cancel_fn+0x9c/0xa8

Call trace:

kiocb_set_cancel_fn+0x9c/0xa8

ffs_epfile_read_iter+0x144/0x1d0

io_read+0x19c/0x498

io_issue_sqe+0x118/0x27c

io_submit_sqes+0x25c/0x5fc

__arm64_sys_io_uring_enter+0x104/0xab0

invoke_syscall+0x58/0x11c

el0_svc_common+0xb4/0xf4

do_el0_svc+0x2c/0xb0

el0_svc+0x2c/0xa4

el0t_64_sync_handler+0x68/0xb4

el0t_64_sync+0x1a4/0x1a8

Fix this by setting the IOCB_AIO_RW flag for read and write I/O that is

submitted by libaio.

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, < 4.19.308 Affected

Frequently Asked Questions

What is CVE-2024-26764?

CVE-2024-26764 is a low-severity vulnerability affecting linux linux_kernel. It was published on April 3, 2024 and has a CVSS 3.1 base score of 3.3 (LOW).

How severe is CVE-2024-26764?

This vulnerability has a CVSS 3.1 base score of 3.3, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2024-26764?

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-2024-26764?

CyberStrike's AI-powered security agents can automatically detect CVE-2024-26764 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.