Linux Kernel up to 6.7.5 on FCoE scsi deadlock

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 6.7.5 on FCoE. It has been declared as critical. The affected element is an unknown function of the component scsi. Such manipulation leads to deadlock. This vulnerability is traded as CVE-2024-26917. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Linux Kernel up to 6.7.5 on FCoE. Affected by this issue is some unknown processing of the component scsi. The manipulation with an unknown input leads to a deadlock vulnerability. Using CWE to declare the problem leads to CWE-833. The product contains multiple threads or executable segments that are waiting for each other to release a necessary lock, resulting in deadlock. Impacted is availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: scsi: Revert "scsi: fcoe: Fix potential deadlock on &fip->ctlr_lock" This reverts commit 1a1975551943f681772720f639ff42fbaa746212. This commit causes interrupts to be lost for FCoE devices, since it changed sping locks from "bh" to "irqsave". Instead, a work queue should be used, and will be addressed in a separate commit.

The advisory is shared for download at git.kernel.org. This vulnerability is handled as CVE-2024-26917 since 02/19/2024. The exploitation is known to be difficult. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 209785 (EulerOS Virtualization 2.12.0 : kernel (EulerOS-SA-2024-2781)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.19.307, 5.4.269, 5.10.210, 5.15.149, 6.1.79, 6.6, 6.6.18, 6.7.6 or 6.8 eliminates this vulnerability. Applying the patch 94a600226b6d/2209fc6e3d77/7d4e19f7ff64/5b8f473c4de9/6bb22ac1d11d/2996c7e97ea7/25675159040b/977fe773dcc7 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (209785). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 5.0

VulDB Base Score: 4.8
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Deadlock
CWE: CWE-833 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 209785
Nessus Name: EulerOS Virtualization 2.12.0 : kernel (EulerOS-SA-2024-2781)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 4.19.307/5.4.269/5.10.210/5.15.149/6.1.79/6.6/6.6.18/6.7.6/6.8
Patch: 94a600226b6d/2209fc6e3d77/7d4e19f7ff64/5b8f473c4de9/6bb22ac1d11d/2996c7e97ea7/25675159040b/977fe773dcc7

Timelineinfo

02/19/2024 🔍
04/17/2024 +57 days 🔍
04/17/2024 +0 days 🔍
02/04/2025 +293 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2024-26917 (🔍)
GCVE (CVE): GCVE-0-2024-26917
GCVE (VulDB): GCVE-100-261344

Entryinfo

Created: 04/17/2024 18:37
Updated: 02/04/2025 04:15
Changes: 04/17/2024 18:37 (58), 06/28/2024 13:59 (1), 10/28/2024 21:46 (3), 02/04/2025 04:15 (11)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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