CVE-2024-44976

5.5 · MEDIUM

Published Sep 4, 2024 linux EPSS 0.20% (9th pctl) CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Overview

CVE-2024-44976 is a medium-severity vulnerability affecting linux linux_kernel. It was published on September 4, 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:

ata: pata_macio: Fix DMA table overflow

Kolbjørn and Jonáš reported that their 32-bit PowerMacs were crashing

in pata-macio since commit 09fe2bfa6b83 ("ata: pata_macio: Fix

max_segment_size with PAGE_SIZE == 64K").

For example:

kernel BUG at drivers/ata/pata_macio.c:544!

Oops: Exception in kernel mode, sig: 5 [#1]

BE PAGE_SIZE=4K MMU=Hash SMP NR_CPUS=2 DEBUG_PAGEALLOC PowerMac

...

NIP pata_macio_qc_prep+0xf4/0x190

LR pata_macio_qc_prep+0xfc/0x190

Call Trace:

0xc1421660 (unreliable)

ata_qc_issue+0x14c/0x2d4

__ata_scsi_queuecmd+0x200/0x53c

ata_scsi_queuecmd+0x50/0xe0

scsi_queue_rq+0x788/0xb1c

__blk_mq_issue_directly+0x58/0xf4

blk_mq_plug_issue_direct+0x8c/0x1b4

blk_mq_flush_plug_list.part.0+0x584/0x5e0

__blk_flush_plug+0xf8/0x194

__submit_bio+0x1b8/0x2e0

submit_bio_noacct_nocheck+0x230/0x304

btrfs_work_helper+0x200/0x338

process_one_work+0x1a8/0x338

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	>= 6.10, < 6.10.7	Affected

References

Ref git.kernel.org/stable/c/709e4c8f78e156ab332297bdd87527ec3da4e2d4 Ref git.kernel.org/stable/c/822c8020aebcf5804a143b891e34f29873fee5e2

Frequently Asked Questions

What is CVE-2024-44976?

CVE-2024-44976 is a medium-severity vulnerability affecting linux linux_kernel. It was published on September 4, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-44976?

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-2024-44976?

How can CyberStrike help with CVE-2024-44976?

CyberStrike's AI-powered security agents can automatically detect CVE-2024-44976 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.

How CyberStrike Helps

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HackBrowser

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