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🛡️ CVE-2024-50025 — kernel

🟡 CVSS 5.5 — Medium ✅ No Known Exploit NVD
5.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

scsi: fnic: Move flush_work initialization out of if block

In the Linux kernel, the following vulnerability has been resolved:

scsi: fnic: Move flush_work initialization out of if block

After commit 379a58caa199 ("scsi: fnic: Move fnic_fnic_flush_tx() to a

work queue"), it can happen that a work item is sent to an uninitialized

work queue. This may has the effect that the item being queued is never

actually queued, and any further actions depending on it will not

proceed.

The following warning is observed while the fnic driver is loaded:

kernel: WARNING: CPU: 11 PID: 0 at ../kernel/workqueue.c:1524 __queue_work+0x373/0x410

kernel: <IRQ>

kernel: queue_work_on+0x3a/0x50

kernel: fnic_wq_copy_cmpl_handler+0x54a/0x730 [fnic 62fbff0c42e7fb825c60a55cde2fb91facb2ed24]

kernel: fnic_isr_msix_wq_copy+0x2d/0x60 [fnic 62fbff0c42e7fb825c60a55cde2fb91facb2ed24]

kernel: __handle_irq_event_percpu+0x36/0x1a0

kernel: handle_irq_event_percpu+0x30/0x70

kernel: handle_irq_event+0x34/0x60

kernel: handle_edge_irq+0x7e/0x1a0

kernel: __common_interrupt+0x3b/0xb0

kernel: common_interrupt+0x58/0xa0

kernel: </IRQ>

It has been observed that this may break the rediscovery of Fibre

Channel devices after a temporary fabric failure.

This patch fixes it by moving the work queue initialization out of

an if block in fnic_probe().

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

  • Attack vector: Local — a local account, shell or session on the host is needed.
  • Attack complexity: Low — the attack works reliably, with no preparation.
  • Privileges required: Low — an ordinary user account is enough.
  • User interaction: None — nobody has to be tricked into anything.
  • Scope: Unchanged — the damage stays inside the vulnerable component.
  • Confidentiality impact: None.
  • Integrity impact: None.
  • Availability impact: High — total loss, or loss the attacker controls.

Affected software

CVE-2024-50025 is recorded against 2 packages.

  • kernel (from 6.8.0 up to 6.11.4)
  • linux-kernel

Timeline and source

Published on 21 October 2024 and last revised on 12 August 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.

References

git.kernel.org (Web)
git.kernel.org (Web)
github.com (Advisory)
nvd.nist.gov (Advisory)
git.kernel.org (Package)

Other advisories for this package

kernel has other advisories on record. If you are patching this one, these are worth checking on the same host:

CVE-2024-50025 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity Medium
CVSS Score 5.5
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE N/A
Public Exploit ✅ No
Source NVD
Published 2024-10-21
Updated 2026-08-20
Modified 2026-08-12

Affected Packages

Software From version Fixed in
kernel 6.8.0 6.11.4
linux-kernel — —

Similar Threats

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ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.

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