Linux Kernel up to 6.7.6 fbdev divide by zero

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CTI Interest Score
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4.4$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Linux Kernel up to 6.7.6. This issue affects some unknown processing of the component fbdev. Performing a manipulation results in divide by zero. This vulnerability was named CVE-2024-26777. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Linux Kernel up to 6.7.6. This affects an unknown code of the component fbdev. The manipulation with an unknown input leads to a divide by zero vulnerability. CWE is classifying the issue as CWE-369. The product divides a value by zero. This is going to have an impact on availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: fbdev: sis: Error out if pixclock equals zero The userspace program could pass any values to the driver through ioctl() interface. If the driver doesn't check the value of pixclock, it may cause divide-by-zero error. In sisfb_check_var(), var->pixclock is used as a divisor to caculate drate before it is checked against zero. Fix this by checking it at the beginning. This is similar to CVE-2022-3061 in i740fb which was fixed by commit 15cf0b8.

It is possible to read the advisory at git.kernel.org. This vulnerability is uniquely identified as CVE-2024-26777 since 02/19/2024. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 213509 (Ubuntu 16.04 LTS : Linux kernel vulnerabilities (USN-7183-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.19.308, 5.4.270, 5.10.211, 5.15.150, 6.1.80, 6.6.19, 6.7.7 or 6.8 eliminates this vulnerability. Applying the patch 84246c35ca34/6db07619d173/cd36da760bd1/df6e2088c6f4/f329523f6a65/99f1abc34a6d/1d11dd3ea5d0/e421946be7d9 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 databases at Tenable (213509) and CERT Bund (WID-SEC-2024-0773). Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • IBM InfoSphere Guardium
  • Oracle Linux
  • NetApp FAS
  • EMC Avamar
  • Oracle VM
  • NetApp AFF
  • Dell NetWorker
  • IBM Security Guardium
  • RESF Rocky Linux
  • Open Source Linux Kernel
  • SolarWinds Security Event Manager
  • Broadcom Brocade SANnav
  • IBM Business Automation Workflow
  • IBM Spectrum Protect Plus
  • IBM QRadar SIEM
  • Juniper Junos Space
  • IBM DB2
  • IBM Storage Scale System

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Divide by zero
CWE: CWE-369 / 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: 213509
Nessus Name: Ubuntu 16.04 LTS : Linux kernel vulnerabilities (USN-7183-1)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 4.19.308/5.4.270/5.10.211/5.15.150/6.1.80/6.6.19/6.7.7/6.8
Patch: 84246c35ca34/6db07619d173/cd36da760bd1/df6e2088c6f4/f329523f6a65/99f1abc34a6d/1d11dd3ea5d0/e421946be7d9

Timelineinfo

02/19/2024 🔍
04/03/2024 +43 days 🔍
04/03/2024 +0 days 🔍
08/03/2025 +487 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2024-26777 (🔍)
GCVE (CVE): GCVE-0-2024-26777
GCVE (VulDB): GCVE-100-259263
CERT Bund: WID-SEC-2024-0773 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 04/03/2024 20:06
Updated: 08/03/2025 23:43
Changes: 04/03/2024 20:06 (57), 06/28/2024 13:04 (1), 01/07/2025 09:07 (3), 02/27/2025 15:52 (11), 08/03/2025 23:43 (7)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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