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CVE-2024-46784

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: net: mana: Fix error handling in mana_create_txq/rxq's NAPI cleanup Currently napi_disable() gets called during rxq and txq cle…

Published Sep 18, 2024CWE-908EPSS 0.22%

Overview

CVE-2024-46784 is a medium-severity vulnerability. It was published on September 18, 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: mana: Fix error handling in mana_create_txq/rxq's NAPI cleanup

Currently napi_disable() gets called during rxq and txq cleanup,

even before napi is enabled and hrtimer is initialized. It causes

kernel panic.

? page_fault_oops+0x136/0x2b0

? page_counter_cancel+0x2e/0x80

? do_user_addr_fault+0x2f2/0x640

? refill_obj_stock+0xc4/0x110

? exc_page_fault+0x71/0x160

? asm_exc_page_fault+0x27/0x30

? __mmdrop+0x10/0x180

? __mmdrop+0xec/0x180

? hrtimer_active+0xd/0x50

hrtimer_try_to_cancel+0x2c/0xf0

hrtimer_cancel+0x15/0x30

napi_disable+0x65/0x90

mana_destroy_rxq+0x4c/0x2f0

mana_create_rxq.isra.0+0x56c/0x6d0

? mana_uncfg_vport+0x50/0x50

mana_alloc_queues+0x21b/0x320

? skb_dequeue+0x5f/0x80

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/386617efacab10bf5bb40bde403467c57cc00470Refgit.kernel.org/stable/c/4982a47154f0b50de81ee0a0b169a3fc74120a65Refgit.kernel.org/stable/c/9178eb8ebcd887ab75e54ac40d538e54bb9c7788Refgit.kernel.org/stable/c/9e0bff4900b5d412a9bafe4baeaa6facd34f671cRefgit.kernel.org/stable/c/b6ecc662037694488bfff7c9fd21c405df8411f2Reflists.debian.org/debian-lts-announce/2025/01/msg00001.html

How CyberStrike helps

Frequently asked questions

What is CVE-2024-46784?

CVE-2024-46784 is a medium-severity vulnerability. It was published on September 18, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-46784?

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-2024-46784?

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-2024-46784?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-46784 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.

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