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THREATINT
PUBLISHED

CVE-2023-2593

Kernel: ksmbd memory exhaustion denial-of-service vulnerability



Description

A flaw exists within the Linux kernel's handling of new TCP connections. The issue results from the lack of memory release after its effective lifetime. This vulnerability allows an unauthenticated attacker to create a denial of service condition on the system.

Reserved 2023-05-09 | Published 2025-07-30 | Updated 2025-07-30 | Assigner redhat


MEDIUM: 5.9CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem types

Loop with Unreachable Exit Condition ('Infinite Loop')

Product status

Default status
unaffected

Any version before 6.2-rc3
affected

Default status
unaffected

Default status
unaffected

Default status
unaffected

Default status
unaffected

Default status
unaffected

Default status
unaffected

Default status
unaffected

Default status
unaffected

Timeline

2025-07-30:Reported to Red Hat.
2023-05-17:Made public.

References

access.redhat.com/security/cve/CVE-2023-2593 vdb-entry

bugzilla.redhat.com/show_bug.cgi?id=2384787 (RHBZ#2384787) issue-tracking

lore.kernel.org/...XzNR4b+zHshSqidRdFKVf_7Jg@mail.gmail.com/

cve.org (CVE-2023-2593)

nvd.nist.gov (CVE-2023-2593)

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