CVE-2025-38501

ksmbd: limit repeated connections from clients with the same IP

State: Published
Severity: 7.5 High
Published: Aug 16, 2025
Updated: Aug 5, 2026
Reserved: Apr 16, 2025

Description

In the Linux kernel, the following vulnerability has been resolved:

ksmbd: limit repeated connections from clients with the same IP

Repeated connections from clients with the same IP address may exhaust the max connections and prevent other normal client connections. This patch limit repeated connections from clients with the same IP.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	Linux
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

CWE-400 Uncontrolled Resource Consumption

Affected Products

Product	Versions
LinuxLinux	0626e6641f6b467447c81dd7678a69c66f7746cf to before cb092fc3a62972a4aa47c9fe356c2c6a01cd840bAffected 0626e6641f6b467447c81dd7678a69c66f7746cf to before fa1c47af4ff641cf9197ecdb1f8240cbb30389c1Affected 0626e6641f6b467447c81dd7678a69c66f7746cf to before 7e5d91d3e6c62a9755b36f29c35288f06c3cd86bAffected 0626e6641f6b467447c81dd7678a69c66f7746cf to before f1ce9258bcbce2491f9f71f7882b6eed0b33ec65Affected 0626e6641f6b467447c81dd7678a69c66f7746cf to before 6073afe64510c302b7a0683a01e32c012eff715dAffected 0626e6641f6b467447c81dd7678a69c66f7746cf to before e6bb9193974059ddbb0ce7763fa3882bd60d4dc3Affected
LinuxLinux	5.15Affected before 5.15Not affected 6.1.148 through 6.1.Not affected 6.6.102 through 6.6.Not affected 6.12.42 through 6.12.Not affected 6.15.10 through 6.15.Not affected 6.16.1 through 6.16.*Not affected 6.17 and laterNot affected

Product

Versions

LinuxLinux

0626e6641f6b467447c81dd7678a69c66f7746cf to before cb092fc3a62972a4aa47c9fe356c2c6a01cd840bAffected
0626e6641f6b467447c81dd7678a69c66f7746cf to before fa1c47af4ff641cf9197ecdb1f8240cbb30389c1Affected
0626e6641f6b467447c81dd7678a69c66f7746cf to before 7e5d91d3e6c62a9755b36f29c35288f06c3cd86bAffected
0626e6641f6b467447c81dd7678a69c66f7746cf to before f1ce9258bcbce2491f9f71f7882b6eed0b33ec65Affected
0626e6641f6b467447c81dd7678a69c66f7746cf to before 6073afe64510c302b7a0683a01e32c012eff715dAffected
0626e6641f6b467447c81dd7678a69c66f7746cf to before e6bb9193974059ddbb0ce7763fa3882bd60d4dc3Affected

LinuxLinux

5.15Affected
before 5.15Not affected
6.1.148 through 6.1.*Not affected
6.6.102 through 6.6.*Not affected
6.12.42 through 6.12.*Not affected
6.15.10 through 6.15.*Not affected
6.16.1 through 6.16.*Not affected
6.17 and laterNot affected

References

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