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Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: close accepted socket when per-IP limit rejects connection When the per-IP connection limit is exceeded in ksmbd_kthread_fn(), the code sets ret = -EAGAIN and continues the accept loop without closing the just-accepted socket. That leaks one socket per rejected attempt from a single IP and enables a trivial remote DoS. Release client_sk before continuing. This bug was found with ZeroPath.

PUBLISHED Reserved 2025-12-16 | Published 2025-12-16 | Updated 2025-12-20 | Assigner Linux

Product status

Default status
unaffected

0626e6641f6b467447c81dd7678a69c66f7746cf (git) before 7a3c7154d5fc05956a8ad9e72ecf49e21555bfca
affected

0626e6641f6b467447c81dd7678a69c66f7746cf (git) before 5746b2a0f5eb3d79667b3c51fe849bd62464220e
affected

0626e6641f6b467447c81dd7678a69c66f7746cf (git) before 4587a7826be1ae0190dba10ff70b46bb0e3bc7d3
affected

0626e6641f6b467447c81dd7678a69c66f7746cf (git) before 35521b5a7e8a184548125f4530552101236dcda1
affected

0626e6641f6b467447c81dd7678a69c66f7746cf (git) before 98a5fd31cbf72d46bf18e50b3ab0ce86d5f319a9
affected

Default status
affected

5.15
affected

Any version before 5.15
unaffected

6.1.159 (semver)
unaffected

6.6.117 (semver)
unaffected

6.12.59 (semver)
unaffected

6.17.9 (semver)
unaffected

6.18 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/7a3c7154d5fc05956a8ad9e72ecf49e21555bfca

git.kernel.org/...c/5746b2a0f5eb3d79667b3c51fe849bd62464220e

git.kernel.org/...c/4587a7826be1ae0190dba10ff70b46bb0e3bc7d3

git.kernel.org/...c/35521b5a7e8a184548125f4530552101236dcda1

git.kernel.org/...c/98a5fd31cbf72d46bf18e50b3ab0ce86d5f319a9

cve.org (CVE-2025-68246)

nvd.nist.gov (CVE-2025-68246)

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