Linux Kernel up to 7.2-rc1 VRR /i915/vrr intel_vrr_compute_vmax divide by zero

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 6.6.150/6.12.102/6.18.43/7.1.5/7.2-rc1. It has been classified as problematic. Impacted is the function intel_vrr_compute_vmax of the file /i915/vrr of the component VRR. The manipulation leads to divide by zero. This vulnerability is listed as CVE-2026-68254. The attack must be carried out locally. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Linux Kernel up to 6.6.150/6.12.102/6.18.43/7.1.5/7.2-rc1. This issue affects the function intel_vrr_compute_vmax of the file /i915/vrr of the component VRR. The manipulation with an unknown input leads to a divide by zero vulnerability. Using CWE to declare the problem leads to CWE-369. The product divides a value by zero. Impacted is integrity, and availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: drm/i915/vrr: require valid min/max vfreq for VRR Ensure the EDID provided min/max vfreq are valid. Most scenarios are already covered (by coincidence) through the checks in intel_vrr_is_capable() and intel_vrr_is_in_range(), but be more explicit about it. At worst, a zero min_vfreq could lead to a division by zero in intel_vrr_compute_vmax(). Discovered using AI-assisted static analysis confirmed by Intel Product Security. (cherry picked from commit 1765cf59f517b02f3b0591fe5120930d08bddeb6)

It is possible to read the advisory at git.kernel.org. The identification of this vulnerability is CVE-2026-68254 since 07/30/2026. The exploitation is known to be easy. Attacking locally is a requirement. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 339550 (Debian dsa-6466 : ata-modules-6.12.101+deb13-armmp-di - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.6.151, 6.12.103, 6.18.44, 7.1.6 or 7.2-rc2 eliminates this vulnerability. Applying the patch 6598ac1721c3a5543efdbcab579a8561268d7ce1/f16218689b41efcbc491207cd7716477b1223879/df1582c0a101e2e2f133dd331d2a3258bb6a7518/c726c8bbee5115dad37fa7867136ebaa50690331/f8a9262c7a6fc2de9802e14b0228114f0333869e is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at Tenable (339550). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.4
VulDB Temp Score: 4.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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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: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 339550
Nessus Name: Debian dsa-6466 : ata-modules-6.12.101+deb13-armmp-di - security update

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 6.6.151/6.12.103/6.18.44/7.1.6/7.2-rc2
Patch: 6598ac1721c3a5543efdbcab579a8561268d7ce1/f16218689b41efcbc491207cd7716477b1223879/df1582c0a101e2e2f133dd331d2a3258bb6a7518/c726c8bbee5115dad37fa7867136ebaa50690331/f8a9262c7a6fc2de9802e14b0228114f0333869e

Timelineinfo

07/30/2026 CVE reserved
08/10/2026 +11 days Advisory disclosed
08/10/2026 +0 days VulDB entry created
08/26/2026 +16 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2026-68254 (🔒)
GCVE (CVE): GCVE-0-2026-68254
GCVE (VulDB): GCVE-100-387623

Entryinfo

Created: 08/10/2026 16:50
Updated: 08/26/2026 08:51
Changes: 08/10/2026 16:50 (60), 08/26/2026 08:51 (2)
Complete: 🔍
Cache ID: 216::103

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