CVE-2026-68228
media: chips-media: wave5: Move src_buf Removal to finish_encode
Description
In the Linux kernel, the following vulnerability has been resolved: media: chips-media: wave5: Move src_buf Removal to finish_encode During encoder processing, there is a case where the IRQ response could return the buffer back to userspace via v4l2_m2m_buf_done call. In this time, userspace could queue up this same buffer before start_encode removes the index from the ready queue. This would then lead to a case where the buffer in the ready queue could be a self loop due to the WRITE_ONCE(prev->next, new) call in __list_add. When __list_del is finally called, the loop is already made so nothing points back to ready queue list head and pointers are poisoned. A buffer should not be marked as DONE before the buffer is removed from m2m ready queue. Move removal entirely to finish_encode.
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
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
Solution
- Update the Linux kernel to include the fix.
- Ensure buffers are removed from the ready queue.
- Verify encoder processing handles IRQ responses correctly.
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-2026-68228.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-68228 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-2026-68228
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-2026-68228 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-68228 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': '9707a6254a8a6b978bde811a44fe07d86c229d1c', 'lessThan': '1ee2b2b189ddc7b23c8eee1145de42b8bd19fb06', 'versionType': 'git'}, {'status': 'affected', 'version': '9707a6254a8a6b978bde811a44fe07d86c229d1c', 'lessThan': 'f24ca8b53fe15db40957bdaa40c9aa68e1557bbe', 'versionType': 'git'}, {'status': 'affected', 'version': '9707a6254a8a6b978bde811a44fe07d86c229d1c', 'lessThan': 'd681227ce43bfd74b6eb69beecd9b0bec1fd8b48', 'versionType': 'git'}, {'status': 'affected', 'version': '9707a6254a8a6b978bde811a44fe07d86c229d1c', 'lessThan': 'b20157147089a9c16a38c7810e2fe6f2df8e3277', 'versionType': 'git'}], 'programFiles': ['drivers/media/platform/chips-media/wave5/wave5-vpu-enc.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '6.8'}, {'status': 'unaffected', 'version': '0', 'lessThan': '6.8', 'versionType': 'semver'}, {'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/chips-media/wave5/wave5-vpu-enc.c'], 'defaultStatus': 'affected'}] [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '9707a6254a8a6b978bde811a44fe07d86c229d1c', 'lessThan': '1ee2b2b189ddc7b23c8eee1145de42b8bd19fb06', 'versionType': 'git'}, {'status': 'affected', 'version': '9707a6254a8a6b978bde811a44fe07d86c229d1c', 'lessThan': 'f24ca8b53fe15db40957bdaa40c9aa68e1557bbe', 'versionType': 'git'}, {'status': 'affected', 'version': '9707a6254a8a6b978bde811a44fe07d86c229d1c', 'lessThan': 'd681227ce43bfd74b6eb69beecd9b0bec1fd8b48', 'versionType': 'git'}, {'status': 'affected', 'version': '9707a6254a8a6b978bde811a44fe07d86c229d1c', 'lessThan': 'b20157147089a9c16a38c7810e2fe6f2df8e3277', 'versionType': 'git'}], 'programFiles': ['drivers/media/platform/chips-media/wave5/wave5-vpu-enc.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '6.8'}, {'status': 'unaffected', 'version': '0', 'lessThan': '6.8', 'versionType': 'semver'}, {'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/chips-media/wave5/wave5-vpu-enc.c'], 'defaultStatus': 'affected'}] -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Aug. 13, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H -
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': '9707a6254a8a6b978bde811a44fe07d86c229d1c', 'lessThan': '1ee2b2b189ddc7b23c8eee1145de42b8bd19fb06', 'versionType': 'git'}, {'status': 'affected', 'version': '9707a6254a8a6b978bde811a44fe07d86c229d1c', 'lessThan': 'f24ca8b53fe15db40957bdaa40c9aa68e1557bbe', 'versionType': 'git'}, {'status': 'affected', 'version': '9707a6254a8a6b978bde811a44fe07d86c229d1c', 'lessThan': 'd681227ce43bfd74b6eb69beecd9b0bec1fd8b48', 'versionType': 'git'}, {'status': 'affected', 'version': '9707a6254a8a6b978bde811a44fe07d86c229d1c', 'lessThan': 'b20157147089a9c16a38c7810e2fe6f2df8e3277', 'versionType': 'git'}], 'programFiles': ['drivers/media/platform/chips-media/wave5/wave5-vpu-enc.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '6.8'}, {'status': 'unaffected', 'version': '0', 'lessThan': '6.8', 'versionType': 'semver'}, {'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/chips-media/wave5/wave5-vpu-enc.c'], 'defaultStatus': 'affected'}] Added Description In the Linux kernel, the following vulnerability has been resolved: media: chips-media: wave5: Move src_buf Removal to finish_encode During encoder processing, there is a case where the IRQ response could return the buffer back to userspace via v4l2_m2m_buf_done call. In this time, userspace could queue up this same buffer before start_encode removes the index from the ready queue. This would then lead to a case where the buffer in the ready queue could be a self loop due to the WRITE_ONCE(prev->next, new) call in __list_add. When __list_del is finally called, the loop is already made so nothing points back to ready queue list head and pointers are poisoned. A buffer should not be marked as DONE before the buffer is removed from m2m ready queue. Move removal entirely to finish_encode. Added Reference https://git.kernel.org/stable/c/1ee2b2b189ddc7b23c8eee1145de42b8bd19fb06 Added Reference https://git.kernel.org/stable/c/b20157147089a9c16a38c7810e2fe6f2df8e3277 Added Reference https://git.kernel.org/stable/c/d681227ce43bfd74b6eb69beecd9b0bec1fd8b48 Added Reference https://git.kernel.org/stable/c/f24ca8b53fe15db40957bdaa40c9aa68e1557bbe