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CVE-2025-68733

UnknownEPSS 0.17%

Last modified

CVE-2025-68733 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.17% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
0.17%

6.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 38416e53936ecf896948fdeffc36b76979117952, < c80173233014a360c13fa5cc79d36bfe6e53a8ed; >= 38416e53936ecf896948fdeffc36b76979117952, < 6b1e45e13546c9ea0b1d99097993ac0aafae90b1; >= 38416e53936ecf896948fdeffc36b76979117952, < 4a7a7621619a366712fb9cefcb6e69f956c247ce; >= 38416e53936ecf896948fdeffc36b76979117952, < f8fd5491100f920847a3338d5fba22db19c72773; >= 38416e53936ecf896948fdeffc36b76979117952, < ac9fce2efabad37c338aac86fbe100f77a080e59; >= 38416e53936ecf896948fdeffc36b76979117952, < 64aa81250171b6bb6803e97ea7a5d73bfa061f6e; >= 38416e53936ecf896948fdeffc36b76979117952, < 60e8d49989410a7ade60f5dadfcd979c117d05c0; >= 38416e53936ecf896948fdeffc36b76979117952, < c147e13ea7fe9f118f8c9ba5e96cbd644b00d6b3
LinuxLinux4.4

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2025-68733?
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.
How severe is CVE-2025-68733?
Severity scoring for CVE-2025-68733 is pending analysis. The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.
How do I fix CVE-2025-68733?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST