CVE-2026-68220
media: nxp: imx8-isi: Add missing v4l2_subdev_cleanup() in crossbar and pipe
Description
In the Linux kernel, the following vulnerability has been resolved: media: nxp: imx8-isi: Add missing v4l2_subdev_cleanup() in crossbar and pipe Both mxc_isi_crossbar_init() and mxc_isi_pipe_init() call v4l2_subdev_init_finalize() which allocates the subdev active state, but neither mxc_isi_crossbar_cleanup() nor mxc_isi_pipe_cleanup() calls v4l2_subdev_cleanup() to free it. This causes a memory leak on every rmmod, reported by kmemleak: unreferenced object 0xffff0000d06fc800 (size 192): comm "(udev-worker)", pid 254, jiffies 4294913455 backtrace (crc 36eeae58): kmemleak_alloc+0x34/0x40 __kvmalloc_node_noprof+0x5f8/0x7d8 __v4l2_subdev_state_alloc+0x1fc/0x30c __v4l2_subdev_init_finalize+0x178/0x368 Add the missing v4l2_subdev_cleanup() calls before media_entity_cleanup() in both crossbar and pipe cleanup paths.
INFO
Published Date :
Aug. 10, 2026, 1:20 p.m.
Last Modified :
Aug. 17, 2026, 5:18 a.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Solution
- Add missing v4l2_subdev_cleanup() to crossbar cleanup path.
- Add missing v4l2_subdev_cleanup() to pipe cleanup path.
- Ensure v4l2_subdev_cleanup() is called before media_entity_cleanup().
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-2026-68220.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-68220 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-2026-68220
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-2026-68220 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-68220 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': 'cf21f328fcafacf4f96e7a30ef9dceede1076378', 'lessThan': '549dd1afce2cf79a826d1f9742effb4565d52871', 'versionType': 'git'}, {'status': 'affected', 'version': 'cf21f328fcafacf4f96e7a30ef9dceede1076378', 'lessThan': 'f04ec98605420e7c2c1ad6d2f6fb26692d4f218a', 'versionType': 'git'}, {'status': 'affected', 'version': 'cf21f328fcafacf4f96e7a30ef9dceede1076378', 'lessThan': '9e61258fbc3cfc053e4c2ed72254c2de76772354', 'versionType': 'git'}, {'status': 'affected', 'version': 'cf21f328fcafacf4f96e7a30ef9dceede1076378', 'lessThan': '9c5ddbabc31fda93a508d9b8f0c776a4a08e49f5', 'versionType': 'git'}, {'status': 'affected', 'version': 'cf21f328fcafacf4f96e7a30ef9dceede1076378', 'lessThan': '567418eedd25b3d86d489807682030b4b98b73d9', 'versionType': 'git'}], 'programFiles': ['drivers/media/platform/nxp/imx8-isi/imx8-isi-crossbar.c', 'drivers/media/platform/nxp/imx8-isi/imx8-isi-pipe.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '6.4'}, {'status': 'unaffected', 'version': '0', 'lessThan': '6.4', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.6.148', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.101', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.42', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.6', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2-rc1', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/media/platform/nxp/imx8-isi/imx8-isi-crossbar.c', 'drivers/media/platform/nxp/imx8-isi/imx8-isi-pipe.c'], 'defaultStatus': 'affected'}] [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': 'cf21f328fcafacf4f96e7a30ef9dceede1076378', 'lessThan': '549dd1afce2cf79a826d1f9742effb4565d52871', 'versionType': 'git'}, {'status': 'affected', 'version': 'cf21f328fcafacf4f96e7a30ef9dceede1076378', 'lessThan': 'f04ec98605420e7c2c1ad6d2f6fb26692d4f218a', 'versionType': 'git'}, {'status': 'affected', 'version': 'cf21f328fcafacf4f96e7a30ef9dceede1076378', 'lessThan': '9e61258fbc3cfc053e4c2ed72254c2de76772354', 'versionType': 'git'}, {'status': 'affected', 'version': 'cf21f328fcafacf4f96e7a30ef9dceede1076378', 'lessThan': '9c5ddbabc31fda93a508d9b8f0c776a4a08e49f5', 'versionType': 'git'}, {'status': 'affected', 'version': 'cf21f328fcafacf4f96e7a30ef9dceede1076378', 'lessThan': '567418eedd25b3d86d489807682030b4b98b73d9', 'versionType': 'git'}], 'programFiles': ['drivers/media/platform/nxp/imx8-isi/imx8-isi-crossbar.c', 'drivers/media/platform/nxp/imx8-isi/imx8-isi-pipe.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '6.4'}, {'status': 'unaffected', 'version': '0', 'lessThan': '6.4', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.6.148', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.101', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.42', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.6', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/media/platform/nxp/imx8-isi/imx8-isi-crossbar.c', 'drivers/media/platform/nxp/imx8-isi/imx8-isi-pipe.c'], 'defaultStatus': 'affected'}] -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Aug. 10, 2026
Action Type Old Value 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': 'cf21f328fcafacf4f96e7a30ef9dceede1076378', 'lessThan': '549dd1afce2cf79a826d1f9742effb4565d52871', 'versionType': 'git'}, {'status': 'affected', 'version': 'cf21f328fcafacf4f96e7a30ef9dceede1076378', 'lessThan': 'f04ec98605420e7c2c1ad6d2f6fb26692d4f218a', 'versionType': 'git'}, {'status': 'affected', 'version': 'cf21f328fcafacf4f96e7a30ef9dceede1076378', 'lessThan': '9e61258fbc3cfc053e4c2ed72254c2de76772354', 'versionType': 'git'}, {'status': 'affected', 'version': 'cf21f328fcafacf4f96e7a30ef9dceede1076378', 'lessThan': '9c5ddbabc31fda93a508d9b8f0c776a4a08e49f5', 'versionType': 'git'}, {'status': 'affected', 'version': 'cf21f328fcafacf4f96e7a30ef9dceede1076378', 'lessThan': '567418eedd25b3d86d489807682030b4b98b73d9', 'versionType': 'git'}], 'programFiles': ['drivers/media/platform/nxp/imx8-isi/imx8-isi-crossbar.c', 'drivers/media/platform/nxp/imx8-isi/imx8-isi-pipe.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '6.4'}, {'status': 'unaffected', 'version': '0', 'lessThan': '6.4', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.6.148', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.101', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.42', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.6', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2-rc1', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/media/platform/nxp/imx8-isi/imx8-isi-crossbar.c', 'drivers/media/platform/nxp/imx8-isi/imx8-isi-pipe.c'], 'defaultStatus': 'affected'}] Added Description In the Linux kernel, the following vulnerability has been resolved: media: nxp: imx8-isi: Add missing v4l2_subdev_cleanup() in crossbar and pipe Both mxc_isi_crossbar_init() and mxc_isi_pipe_init() call v4l2_subdev_init_finalize() which allocates the subdev active state, but neither mxc_isi_crossbar_cleanup() nor mxc_isi_pipe_cleanup() calls v4l2_subdev_cleanup() to free it. This causes a memory leak on every rmmod, reported by kmemleak: unreferenced object 0xffff0000d06fc800 (size 192): comm "(udev-worker)", pid 254, jiffies 4294913455 backtrace (crc 36eeae58): kmemleak_alloc+0x34/0x40 __kvmalloc_node_noprof+0x5f8/0x7d8 __v4l2_subdev_state_alloc+0x1fc/0x30c __v4l2_subdev_init_finalize+0x178/0x368 Add the missing v4l2_subdev_cleanup() calls before media_entity_cleanup() in both crossbar and pipe cleanup paths. Added Reference https://git.kernel.org/stable/c/549dd1afce2cf79a826d1f9742effb4565d52871 Added Reference https://git.kernel.org/stable/c/567418eedd25b3d86d489807682030b4b98b73d9 Added Reference https://git.kernel.org/stable/c/9c5ddbabc31fda93a508d9b8f0c776a4a08e49f5 Added Reference https://git.kernel.org/stable/c/9e61258fbc3cfc053e4c2ed72254c2de76772354 Added Reference https://git.kernel.org/stable/c/f04ec98605420e7c2c1ad6d2f6fb26692d4f218a