Linux Kernel up to 7.1.4 fbdev s3_pci_probe memory leak

CVSS Meta Temp Score
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CTI Interest Score
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4.0$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Linux Kernel up to 7.1.4. This vulnerability affects the function s3_pci_probe of the component fbdev. This manipulation causes memory leak. The identification of this vulnerability is CVE-2026-72270. The attack can only be executed locally. There is no exploit available.

Detailsinfo

A vulnerability was found in Linux Kernel up to 7.1.4. It has been declared as problematic. Affected by this vulnerability is the function s3_pci_probe of the component fbdev. The manipulation with an unknown input leads to a memory leak vulnerability. The CWE definition for the vulnerability is CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: fbdev: s3fb: fix potential memory leak in s3_pci_probe() In s3_pci_probe(), the memory allocated for modelist using fb_videomode_to_modelist() is not freed in subsequent error paths. Fix that by calling fb_destroy_modelist()

It is possible to read the advisory at git.kernel.org. This vulnerability is known as CVE-2026-72270 since 08/09/2026. The exploitation appears to be easy. Attacking locally is a requirement. Additional levels of successful authentication are needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 5.10.261, 5.15.212, 6.1.178, 6.6.145, 6.12.97, 6.18.40, 7.1.5 or 7.2-rc1 eliminates this vulnerability. Applying the patch 37f4b8bd9e3835a7d4da26baf80b497e478d3123/ef6c5e4607483259a0daf6584e9e34ef643a655d/fc90ec978a3cef6f6d8c6074bee538998c7c9837/0d0fa8425b29657b3d3e5bb36f50a50e57c8101f/25b354f74b028a3f91b12e6b446256965744c477/ad54698255a4b988cae1ad908c158c1d4128887c/56964e8039150a14462005458b25f19d6cad8f4a/3b0ed04bc852887a9164e1bbf521652e8ef3eb92 is able to eliminate this problem.

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Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.2
VulDB Meta Temp Score: 4.0

VulDB Base Score: 4.2
VulDB Temp Score: 4.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Memory leak
CWE: CWE-401 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

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 5.10.261/5.15.212/6.1.178/6.6.145/6.12.97/6.18.40/7.1.5/7.2-rc1
Patch: 37f4b8bd9e3835a7d4da26baf80b497e478d3123/ef6c5e4607483259a0daf6584e9e34ef643a655d/fc90ec978a3cef6f6d8c6074bee538998c7c9837/0d0fa8425b29657b3d3e5bb36f50a50e57c8101f/25b354f74b028a3f91b12e6b446256965744c477/ad54698255a4b988cae1ad908c158c1d4128887c/56964e8039150a14462005458b25f19d6cad8f4a/3b0ed04bc852887a9164e1bbf521652e8ef3eb92

Timelineinfo

08/09/2026 CVE reserved
08/15/2026 +6 days Advisory disclosed
08/15/2026 +0 days VulDB entry created
08/15/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2026-72270 (🔒)
GCVE (CVE): GCVE-0-2026-72270
GCVE (VulDB): GCVE-100-390679

Entryinfo

Created: 08/15/2026 13:56
Changes: 08/15/2026 13:56 (59)
Complete: 🔍
Cache ID: 216::103

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