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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.

PUBLISHED Reserved 2025-12-24 | Published 2025-12-24 | Updated 2025-12-24 | Assigner Linux

Product status

Default status
unaffected

38416e53936ecf896948fdeffc36b76979117952 (git) before ac9fce2efabad37c338aac86fbe100f77a080e59
affected

38416e53936ecf896948fdeffc36b76979117952 (git) before 64aa81250171b6bb6803e97ea7a5d73bfa061f6e
affected

38416e53936ecf896948fdeffc36b76979117952 (git) before 60e8d49989410a7ade60f5dadfcd979c117d05c0
affected

38416e53936ecf896948fdeffc36b76979117952 (git) before c147e13ea7fe9f118f8c9ba5e96cbd644b00d6b3
affected

Default status
affected

4.4
affected

Any version before 4.4
unaffected

6.12.63 (semver)
unaffected

6.17.13 (semver)
unaffected

6.18.2 (semver)
unaffected

6.19-rc1 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/ac9fce2efabad37c338aac86fbe100f77a080e59

git.kernel.org/...c/64aa81250171b6bb6803e97ea7a5d73bfa061f6e

git.kernel.org/...c/60e8d49989410a7ade60f5dadfcd979c117d05c0

git.kernel.org/...c/c147e13ea7fe9f118f8c9ba5e96cbd644b00d6b3

cve.org (CVE-2025-68733)

nvd.nist.gov (CVE-2025-68733)

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Data based on CVE®. Copyright © 1999-2025, The MITRE Corporation. All rights reserved.