Linux Kernel up to 7.2.7/7.3-rc3 I2C drm/xe/i2c xe_i2c_remove use after free

CVSS Meta Temp Score
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CTI Interest Score
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9.5$5k-$25k0.52+

Summaryinfo

A vulnerability, which was classified as very critical, was found in Linux Kernel up to 7.2.7/7.3-rc3. Affected by this vulnerability is the function xe_i2c_remove of the file drm/xe/i2c of the component I2C. The manipulation results in use after free. This vulnerability is known as CVE-2026-98280. It is possible to launch the attack remotely. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 7.2.7/7.3-rc3. It has been classified as very critical. Affected is the function xe_i2c_remove of the file drm/xe/i2c of the component I2C. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: drm/xe/i2c: Disable IRQ on unbind Currently, struct xe_i2c is freed before SGUnit IRQ is disabled in unbind path, leaving a potential UAF in case I2C IRQ is hit during this small window. Explicitly disable I2C IRQ in xe_i2c_remove() and fix this. (cherry picked from commit 8ba5c8b8ab3fd362267c11df2cd5a90ee46f6e24)

The advisory is available at git.kernel.org. This vulnerability is traded as CVE-2026-98280 since 09/25/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 10/06/2026).

Upgrading to version 7.2.8 or 7.3-rc4 eliminates this vulnerability. Applying the patch 571ccbc801aa4d22a22d9f924b826c77052330f0/f0e9f963a3d209d7dc7ddd61116118ab5da2797d is able to eliminate this problem. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.9
VulDB Meta Temp Score: 9.5

VulDB Base Score: 9.9
VulDB Temp Score: 9.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 7.2.8/7.3-rc4
Patch: 571ccbc801aa4d22a22d9f924b826c77052330f0/f0e9f963a3d209d7dc7ddd61116118ab5da2797d

Timelineinfo

09/25/2026 CVE reserved
10/06/2026 +11 days Advisory disclosed
10/06/2026 +0 days VulDB entry created
10/06/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2026-98280 (🔒)
GCVE (CVE): GCVE-0-2026-98280
GCVE (VulDB): GCVE-100-414150

Entryinfo

Created: 10/06/2026 13:11
Changes: 10/06/2026 13:11 (60)
Complete: 🔍
Cache ID: 216::103

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