CVE-2026-72274

0.0

fbdev: hecubafb: fix potential memory leak in hecubafb_probe()

Overview
Vulnerability Timeline

Overview

Description

In the Linux kernel, the following vulnerability has been resolved: fbdev: hecubafb: fix potential memory leak in hecubafb_probe() The memory allocated for pagerefs in fb_deferred_io_init() is not freed on the error path. Fix it by calling fb_deferred_io_cleanup().

Details

INFO

Published Date :

Aug. 15, 2026, 6:21 a.m.

Last Modified :

Aug. 17, 2026, 6:18 a.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67

Impact

Affected Products

The following products are affected by CVE-2026-72274 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID	Vendor	Product	Action
1	Linux	linux_kernel

: Total Affected Vendor : 1 | Products : 1

Solution

Free allocated pagerefs on the error path to prevent memory leaks.

Apply the patch for the hecubafb driver.
Ensure fb_deferred_io_cleanup() is called.
Update the Linux kernel to the patched version.

References

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-72274.

URL	Resource
https://git.kernel.org/stable/c/2952767e399e2796d45644ea50f442988d2bb02d
https://git.kernel.org/stable/c/3eb2bc1009c2476426ffbaf642d7ac82f4685b4d
https://git.kernel.org/stable/c/612ea3a8e525580aa82f26ab873e285f5caf9d99
https://git.kernel.org/stable/c/7de72f7534d961b117e0b051fa8798975036f5f3
https://git.kernel.org/stable/c/9a94b85531852eb86283eca36ab041782c6b3518
https://git.kernel.org/stable/c/cbef2a305a8a72969b86f96b7c07b86edde61aff
https://git.kernel.org/stable/c/d684ce2db92b1093bcca2b42e5160a5fe23eb496

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-72274 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-72274 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-72274 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2026-72274 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Aug. 17, 2026

Action	Type	Old Value	New Value
Changed	Affected	[{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '186b89659c4c67cccead52961eab0ca3b23951dc', 'lessThan': '3eb2bc1009c2476426ffbaf642d7ac82f4685b4d', 'versionType': 'git'}, {'status': 'affected', 'version': '56c134f7f1b58be08bdb0ca8372474a4a5165f31', 'lessThan': '7de72f7534d961b117e0b051fa8798975036f5f3', 'versionType': 'git'}, {'status': 'affected', 'version': '56c134f7f1b58be08bdb0ca8372474a4a5165f31', 'lessThan': '2952767e399e2796d45644ea50f442988d2bb02d', 'versionType': 'git'}, {'status': 'affected', 'version': '56c134f7f1b58be08bdb0ca8372474a4a5165f31', 'lessThan': '612ea3a8e525580aa82f26ab873e285f5caf9d99', 'versionType': 'git'}, {'status': 'affected', 'version': '56c134f7f1b58be08bdb0ca8372474a4a5165f31', 'lessThan': 'd684ce2db92b1093bcca2b42e5160a5fe23eb496', 'versionType': 'git'}, {'status': 'affected', 'version': '56c134f7f1b58be08bdb0ca8372474a4a5165f31', 'lessThan': '9a94b85531852eb86283eca36ab041782c6b3518', 'versionType': 'git'}, {'status': 'affected', 'version': '56c134f7f1b58be08bdb0ca8372474a4a5165f31', 'lessThan': 'cbef2a305a8a72969b86f96b7c07b86edde61aff', 'versionType': 'git'}, {'status': 'affected', 'version': '5.15.149', 'lessThan': '5.15.212', 'versionType': 'semver'}], 'programFiles': ['drivers/video/fbdev/hecubafb.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '5.19'}, {'status': 'unaffected', 'version': '0', 'lessThan': '5.19', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '5.15.212', 'versionType': 'semver', 'lessThanOrEqual': '5.15.'}, {'status': 'unaffected', 'version': '6.1.178', 'versionType': 'semver', 'lessThanOrEqual': '6.1.'}, {'status': 'unaffected', 'version': '6.6.145', 'versionType': 'semver', 'lessThanOrEqual': '6.6.'}, {'status': 'unaffected', 'version': '6.12.97', 'versionType': 'semver', 'lessThanOrEqual': '6.12.'}, {'status': 'unaffected', 'version': '6.18.40', 'versionType': 'semver', 'lessThanOrEqual': '6.18.'}, {'status': 'unaffected', 'version': '7.1.5', 'versionType': 'semver', 'lessThanOrEqual': '7.1.'}, {'status': 'unaffected', 'version': '7.2-rc1', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/video/fbdev/hecubafb.c'], 'defaultStatus': 'affected'}]	[{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '186b89659c4c67cccead52961eab0ca3b23951dc', 'lessThan': '3eb2bc1009c2476426ffbaf642d7ac82f4685b4d', 'versionType': 'git'}, {'status': 'affected', 'version': '56c134f7f1b58be08bdb0ca8372474a4a5165f31', 'lessThan': '7de72f7534d961b117e0b051fa8798975036f5f3', 'versionType': 'git'}, {'status': 'affected', 'version': '56c134f7f1b58be08bdb0ca8372474a4a5165f31', 'lessThan': '2952767e399e2796d45644ea50f442988d2bb02d', 'versionType': 'git'}, {'status': 'affected', 'version': '56c134f7f1b58be08bdb0ca8372474a4a5165f31', 'lessThan': '612ea3a8e525580aa82f26ab873e285f5caf9d99', 'versionType': 'git'}, {'status': 'affected', 'version': '56c134f7f1b58be08bdb0ca8372474a4a5165f31', 'lessThan': 'd684ce2db92b1093bcca2b42e5160a5fe23eb496', 'versionType': 'git'}, {'status': 'affected', 'version': '56c134f7f1b58be08bdb0ca8372474a4a5165f31', 'lessThan': '9a94b85531852eb86283eca36ab041782c6b3518', 'versionType': 'git'}, {'status': 'affected', 'version': '56c134f7f1b58be08bdb0ca8372474a4a5165f31', 'lessThan': 'cbef2a305a8a72969b86f96b7c07b86edde61aff', 'versionType': 'git'}, {'status': 'affected', 'version': '5.15.149', 'lessThan': '5.15.212', 'versionType': 'semver'}], 'programFiles': ['drivers/video/fbdev/hecubafb.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '5.19'}, {'status': 'unaffected', 'version': '0', 'lessThan': '5.19', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '5.15.212', 'versionType': 'semver', 'lessThanOrEqual': '5.15.'}, {'status': 'unaffected', 'version': '6.1.178', 'versionType': 'semver', 'lessThanOrEqual': '6.1.'}, {'status': 'unaffected', 'version': '6.6.145', 'versionType': 'semver', 'lessThanOrEqual': '6.6.'}, {'status': 'unaffected', 'version': '6.12.97', 'versionType': 'semver', 'lessThanOrEqual': '6.12.'}, {'status': 'unaffected', 'version': '6.18.40', 'versionType': 'semver', 'lessThanOrEqual': '6.18.'}, {'status': 'unaffected', 'version': '7.1.5', 'versionType': 'semver', 'lessThanOrEqual': '7.1.'}, {'status': 'unaffected', 'version': '7.2', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/video/fbdev/hecubafb.c'], 'defaultStatus': 'affected'}]

New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Aug. 15, 2026

Action	Type	New Value
Added	Affected	[{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '186b89659c4c67cccead52961eab0ca3b23951dc', 'lessThan': '3eb2bc1009c2476426ffbaf642d7ac82f4685b4d', 'versionType': 'git'}, {'status': 'affected', 'version': '56c134f7f1b58be08bdb0ca8372474a4a5165f31', 'lessThan': '7de72f7534d961b117e0b051fa8798975036f5f3', 'versionType': 'git'}, {'status': 'affected', 'version': '56c134f7f1b58be08bdb0ca8372474a4a5165f31', 'lessThan': '2952767e399e2796d45644ea50f442988d2bb02d', 'versionType': 'git'}, {'status': 'affected', 'version': '56c134f7f1b58be08bdb0ca8372474a4a5165f31', 'lessThan': '612ea3a8e525580aa82f26ab873e285f5caf9d99', 'versionType': 'git'}, {'status': 'affected', 'version': '56c134f7f1b58be08bdb0ca8372474a4a5165f31', 'lessThan': 'd684ce2db92b1093bcca2b42e5160a5fe23eb496', 'versionType': 'git'}, {'status': 'affected', 'version': '56c134f7f1b58be08bdb0ca8372474a4a5165f31', 'lessThan': '9a94b85531852eb86283eca36ab041782c6b3518', 'versionType': 'git'}, {'status': 'affected', 'version': '56c134f7f1b58be08bdb0ca8372474a4a5165f31', 'lessThan': 'cbef2a305a8a72969b86f96b7c07b86edde61aff', 'versionType': 'git'}, {'status': 'affected', 'version': '5.15.149', 'lessThan': '5.15.212', 'versionType': 'semver'}], 'programFiles': ['drivers/video/fbdev/hecubafb.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '5.19'}, {'status': 'unaffected', 'version': '0', 'lessThan': '5.19', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '5.15.212', 'versionType': 'semver', 'lessThanOrEqual': '5.15.'}, {'status': 'unaffected', 'version': '6.1.178', 'versionType': 'semver', 'lessThanOrEqual': '6.1.'}, {'status': 'unaffected', 'version': '6.6.145', 'versionType': 'semver', 'lessThanOrEqual': '6.6.'}, {'status': 'unaffected', 'version': '6.12.97', 'versionType': 'semver', 'lessThanOrEqual': '6.12.'}, {'status': 'unaffected', 'version': '6.18.40', 'versionType': 'semver', 'lessThanOrEqual': '6.18.'}, {'status': 'unaffected', 'version': '7.1.5', 'versionType': 'semver', 'lessThanOrEqual': '7.1.'}, {'status': 'unaffected', 'version': '7.2-rc1', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/video/fbdev/hecubafb.c'], 'defaultStatus': 'affected'}]
Added	Description	In the Linux kernel, the following vulnerability has been resolved: fbdev: hecubafb: fix potential memory leak in hecubafb_probe() The memory allocated for pagerefs in fb_deferred_io_init() is not freed on the error path. Fix it by calling fb_deferred_io_cleanup().
Added	Reference	https://git.kernel.org/stable/c/2952767e399e2796d45644ea50f442988d2bb02d
Added	Reference	https://git.kernel.org/stable/c/3eb2bc1009c2476426ffbaf642d7ac82f4685b4d
Added	Reference	https://git.kernel.org/stable/c/612ea3a8e525580aa82f26ab873e285f5caf9d99
Added	Reference	https://git.kernel.org/stable/c/7de72f7534d961b117e0b051fa8798975036f5f3
Added	Reference	https://git.kernel.org/stable/c/9a94b85531852eb86283eca36ab041782c6b3518
Added	Reference	https://git.kernel.org/stable/c/cbef2a305a8a72969b86f96b7c07b86edde61aff
Added	Reference	https://git.kernel.org/stable/c/d684ce2db92b1093bcca2b42e5160a5fe23eb496

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.

Memory Corruption

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