CVE-2026-72273
fbdev: efifb: fix memory leak in efifb_probe()
Description
In the Linux kernel, the following vulnerability has been resolved: fbdev: efifb: fix memory leak in efifb_probe() Since commit 73ce73c30ba9 ("fbdev: Transfer video= option strings to caller; clarify ownership") the string returned from fb_get_options() is expected to be freed by the caller, but the string is not freed in efifb_probe(). Fix that by freeing the option string after setup.
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
Solution
- Apply the patch for efifb_probe memory leak.
- Free the option string after setup.
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-2026-72273.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-72273 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-2026-72273
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-2026-72273 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-72273 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': '73ce73c30ba9ae4d90fdfad7ebe9104001d5d851', 'lessThan': 'fafb2e08741b20027cee77918816de29a32d6fd6', 'versionType': 'git'}, {'status': 'affected', 'version': '73ce73c30ba9ae4d90fdfad7ebe9104001d5d851', 'lessThan': '475383daf5f855f5b2c3a9aa801f69b69a81799e', 'versionType': 'git'}, {'status': 'affected', 'version': '73ce73c30ba9ae4d90fdfad7ebe9104001d5d851', 'lessThan': 'febb5b4f67ace78d6b6862cc3c853b64710afb6c', 'versionType': 'git'}, {'status': 'affected', 'version': '73ce73c30ba9ae4d90fdfad7ebe9104001d5d851', 'lessThan': '5276e3f75ddb51f980a8903f4b39e73cf42415e5', 'versionType': 'git'}, {'status': 'affected', 'version': '73ce73c30ba9ae4d90fdfad7ebe9104001d5d851', 'lessThan': '9b6eaf101656958397a6012bf43f6e2e42c9e5cb', 'versionType': 'git'}], 'programFiles': ['drivers/video/fbdev/efifb.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': '6.12.97', '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/efifb.c'], 'defaultStatus': 'affected'}] [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '73ce73c30ba9ae4d90fdfad7ebe9104001d5d851', 'lessThan': 'fafb2e08741b20027cee77918816de29a32d6fd6', 'versionType': 'git'}, {'status': 'affected', 'version': '73ce73c30ba9ae4d90fdfad7ebe9104001d5d851', 'lessThan': '475383daf5f855f5b2c3a9aa801f69b69a81799e', 'versionType': 'git'}, {'status': 'affected', 'version': '73ce73c30ba9ae4d90fdfad7ebe9104001d5d851', 'lessThan': 'febb5b4f67ace78d6b6862cc3c853b64710afb6c', 'versionType': 'git'}, {'status': 'affected', 'version': '73ce73c30ba9ae4d90fdfad7ebe9104001d5d851', 'lessThan': '5276e3f75ddb51f980a8903f4b39e73cf42415e5', 'versionType': 'git'}, {'status': 'affected', 'version': '73ce73c30ba9ae4d90fdfad7ebe9104001d5d851', 'lessThan': '9b6eaf101656958397a6012bf43f6e2e42c9e5cb', 'versionType': 'git'}], 'programFiles': ['drivers/video/fbdev/efifb.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': '6.12.97', '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/efifb.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': '73ce73c30ba9ae4d90fdfad7ebe9104001d5d851', 'lessThan': 'fafb2e08741b20027cee77918816de29a32d6fd6', 'versionType': 'git'}, {'status': 'affected', 'version': '73ce73c30ba9ae4d90fdfad7ebe9104001d5d851', 'lessThan': '475383daf5f855f5b2c3a9aa801f69b69a81799e', 'versionType': 'git'}, {'status': 'affected', 'version': '73ce73c30ba9ae4d90fdfad7ebe9104001d5d851', 'lessThan': 'febb5b4f67ace78d6b6862cc3c853b64710afb6c', 'versionType': 'git'}, {'status': 'affected', 'version': '73ce73c30ba9ae4d90fdfad7ebe9104001d5d851', 'lessThan': '5276e3f75ddb51f980a8903f4b39e73cf42415e5', 'versionType': 'git'}, {'status': 'affected', 'version': '73ce73c30ba9ae4d90fdfad7ebe9104001d5d851', 'lessThan': '9b6eaf101656958397a6012bf43f6e2e42c9e5cb', 'versionType': 'git'}], 'programFiles': ['drivers/video/fbdev/efifb.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': '6.12.97', '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/efifb.c'], 'defaultStatus': 'affected'}] Added Description In the Linux kernel, the following vulnerability has been resolved: fbdev: efifb: fix memory leak in efifb_probe() Since commit 73ce73c30ba9 ("fbdev: Transfer video= option strings to caller; clarify ownership") the string returned from fb_get_options() is expected to be freed by the caller, but the string is not freed in efifb_probe(). Fix that by freeing the option string after setup. Added Reference https://git.kernel.org/stable/c/475383daf5f855f5b2c3a9aa801f69b69a81799e Added Reference https://git.kernel.org/stable/c/5276e3f75ddb51f980a8903f4b39e73cf42415e5 Added Reference https://git.kernel.org/stable/c/9b6eaf101656958397a6012bf43f6e2e42c9e5cb Added Reference https://git.kernel.org/stable/c/fafb2e08741b20027cee77918816de29a32d6fd6 Added Reference https://git.kernel.org/stable/c/febb5b4f67ace78d6b6862cc3c853b64710afb6c