Go to homepageCyberStrike

Menu

Star on GitHub · 3.4k
Sign inDownload

CVE-2024-44976

5.5 · MEDIUM

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 sin…

Published Sep 4, 2024EPSS 0.20%

Overview

CVE-2024-44976 is a medium-severity vulnerability. 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, patches, and mitigation guidance. 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.

References

Refgit.kernel.org/stable/c/709e4c8f78e156ab332297bdd87527ec3da4e2d4Refgit.kernel.org/stable/c/822c8020aebcf5804a143b891e34f29873fee5e2

How CyberStrike helps

Frequently asked questions

What is CVE-2024-44976?

CVE-2024-44976 is a medium-severity vulnerability. 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?

Check the references section for vendor advisories, patches, and mitigation guidance. 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-2024-44976?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-44976 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

Related MEDIUM CVEs from 2024

View all
Browse by year2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999
LiveWatch live →