CVE-2026-80822
mailbox: mchp-ipc-sbi: Add null check for devm_kasprintf()
Description
In the Linux kernel, the following vulnerability has been resolved: mailbox: mchp-ipc-sbi: Add null check for devm_kasprintf() Add a check to see if devm_kasprintf() is not NULL in mchp_ipc_get_cluster_aggr_irq(), returning -ENOMEM if the function failed.
INFO
Published Date :
Sept. 4, 2026, 4:18 p.m.
Last Modified :
Sept. 7, 2026, 3:17 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Solution
- Check devm_kasprintf() return value for NULL.
- Return -ENOMEM if allocation fails.
- Apply the provided patch to the kernel.
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-2026-80822.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-80822 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-2026-80822
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-2026-80822 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-80822 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
Sep. 07, 2026
Action Type Old Value New Value Added Affected Affected value modified. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/80xxx/CVE-2026-80822.json">CVE-2026-80822</a> -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Sep. 04, 2026
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: mailbox: mchp-ipc-sbi: Add null check for devm_kasprintf() Add a check to see if devm_kasprintf() is not NULL in mchp_ipc_get_cluster_aggr_irq(), returning -ENOMEM if the function failed. Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/80xxx/CVE-2026-80822.json">CVE-2026-80822</a> Added Reference https://git.kernel.org/stable/c/364edaedf4125825781a12c84c77699780d52a16 Added Reference https://git.kernel.org/stable/c/b233e7836d98d1790e71f5f3734a86409664f341 Added Reference https://git.kernel.org/stable/c/b37c4d0a2fd90c0c31223acd37f763eb8953ed1a Added Reference https://git.kernel.org/stable/c/df5c9816986b2f4d754ef3aa65a92382e9b39c4a