CVE-2025-68733
smack: fix bug: unprivileged task can create labels
Description
In the Linux kernel, the following vulnerability has been resolved: smack: fix bug: unprivileged task can create labels If an unprivileged task is allowed to relabel itself (/smack/relabel-self is not empty), it can freely create new labels by writing their names into own /proc/PID/attr/smack/current This occurs because do_setattr() imports the provided label in advance, before checking "relabel-self" list. This change ensures that the "relabel-self" list is checked before importing the label.
INFO
Published Date :
Dec. 24, 2025, 11:16 a.m.
Last Modified :
Jan. 19, 2026, 1:16 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Solution
- Apply the Linux kernel update that resolves the smack relabeling issue.
- Ensure the system uses an updated and patched Linux kernel version.
- Verify the fix by checking the system's label creation policy.
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-2025-68733.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-68733 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-2025-68733
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-2025-68733 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-68733 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.
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CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jan. 19, 2026
Action Type Old Value New Value Added Reference https://git.kernel.org/stable/c/6b1e45e13546c9ea0b1d99097993ac0aafae90b1 Added Reference https://git.kernel.org/stable/c/c80173233014a360c13fa5cc79d36bfe6e53a8ed -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jan. 11, 2026
Action Type Old Value New Value Added Reference https://git.kernel.org/stable/c/4a7a7621619a366712fb9cefcb6e69f956c247ce Added Reference https://git.kernel.org/stable/c/f8fd5491100f920847a3338d5fba22db19c72773 -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Dec. 24, 2025
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: smack: fix bug: unprivileged task can create labels If an unprivileged task is allowed to relabel itself (/smack/relabel-self is not empty), it can freely create new labels by writing their names into own /proc/PID/attr/smack/current This occurs because do_setattr() imports the provided label in advance, before checking "relabel-self" list. This change ensures that the "relabel-self" list is checked before importing the label. Added Reference https://git.kernel.org/stable/c/60e8d49989410a7ade60f5dadfcd979c117d05c0 Added Reference https://git.kernel.org/stable/c/64aa81250171b6bb6803e97ea7a5d73bfa061f6e Added Reference https://git.kernel.org/stable/c/ac9fce2efabad37c338aac86fbe100f77a080e59 Added Reference https://git.kernel.org/stable/c/c147e13ea7fe9f118f8c9ba5e96cbd644b00d6b3