CVE-2026-72488
soundwire: fix bug in sdw_add_element_group_count found by syzkaller
Description
In the Linux kernel, the following vulnerability has been resolved: soundwire: fix bug in sdw_add_element_group_count found by syzkaller The original implementation caused an out-of-bounds memory access in the sdw_add_element_group_count for-loop when i == num. for (i = 0; i <= num; i++) { if (rate == group->rates[i] && lane == group->lanes[i]) ... To fix this error, the function now checks for existing rate/lane entries in the group(a function parameter) using a for-loop before adding them. No functional changes apart from this fix.
INFO
Published Date :
Aug. 15, 2026, 6:22 a.m.
Last Modified :
Aug. 17, 2026, 6:19 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.
- Apply the patch for sdw_add_element_group_count.
- Review soundwire driver code for similar issues.
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-2026-72488.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-72488 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-2026-72488
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-2026-72488 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-72488 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 Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '9026118f20e28f202dab34f219bbb831ffb8c4dc', 'lessThan': 'a454f61747c97e2eadaa7a35ffc1f4b1645c6a53', 'versionType': 'git'}, {'status': 'affected', 'version': '9026118f20e28f202dab34f219bbb831ffb8c4dc', 'lessThan': 'e483a406a23a92d5202e8d324f206e127eef48ff', 'versionType': 'git'}, {'status': 'affected', 'version': '9026118f20e28f202dab34f219bbb831ffb8c4dc', 'lessThan': 'f772ff5a0e6758fd412803c09e03ba3bca5f5878', 'versionType': 'git'}], 'programFiles': ['drivers/soundwire/generic_bandwidth_allocation.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '5.10'}, {'status': 'unaffected', 'version': '0', 'lessThan': '5.10', 'versionType': 'semver'}, {'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/soundwire/generic_bandwidth_allocation.c'], 'defaultStatus': 'affected'}] [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '9026118f20e28f202dab34f219bbb831ffb8c4dc', 'lessThan': 'a454f61747c97e2eadaa7a35ffc1f4b1645c6a53', 'versionType': 'git'}, {'status': 'affected', 'version': '9026118f20e28f202dab34f219bbb831ffb8c4dc', 'lessThan': 'e483a406a23a92d5202e8d324f206e127eef48ff', 'versionType': 'git'}, {'status': 'affected', 'version': '9026118f20e28f202dab34f219bbb831ffb8c4dc', 'lessThan': 'f772ff5a0e6758fd412803c09e03ba3bca5f5878', 'versionType': 'git'}], 'programFiles': ['drivers/soundwire/generic_bandwidth_allocation.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '5.10'}, {'status': 'unaffected', 'version': '0', 'lessThan': '5.10', 'versionType': 'semver'}, {'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/soundwire/generic_bandwidth_allocation.c'], 'defaultStatus': 'affected'}] -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Aug. 15, 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': '9026118f20e28f202dab34f219bbb831ffb8c4dc', 'lessThan': 'a454f61747c97e2eadaa7a35ffc1f4b1645c6a53', 'versionType': 'git'}, {'status': 'affected', 'version': '9026118f20e28f202dab34f219bbb831ffb8c4dc', 'lessThan': 'e483a406a23a92d5202e8d324f206e127eef48ff', 'versionType': 'git'}, {'status': 'affected', 'version': '9026118f20e28f202dab34f219bbb831ffb8c4dc', 'lessThan': 'f772ff5a0e6758fd412803c09e03ba3bca5f5878', 'versionType': 'git'}], 'programFiles': ['drivers/soundwire/generic_bandwidth_allocation.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '5.10'}, {'status': 'unaffected', 'version': '0', 'lessThan': '5.10', 'versionType': 'semver'}, {'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/soundwire/generic_bandwidth_allocation.c'], 'defaultStatus': 'affected'}] Added Description In the Linux kernel, the following vulnerability has been resolved: soundwire: fix bug in sdw_add_element_group_count found by syzkaller The original implementation caused an out-of-bounds memory access in the sdw_add_element_group_count for-loop when i == num. for (i = 0; i <= num; i++) { if (rate == group->rates[i] && lane == group->lanes[i]) ... To fix this error, the function now checks for existing rate/lane entries in the group(a function parameter) using a for-loop before adding them. No functional changes apart from this fix. Added Reference https://git.kernel.org/stable/c/a454f61747c97e2eadaa7a35ffc1f4b1645c6a53 Added Reference https://git.kernel.org/stable/c/e483a406a23a92d5202e8d324f206e127eef48ff Added Reference https://git.kernel.org/stable/c/f772ff5a0e6758fd412803c09e03ba3bca5f5878