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THREATINT
PUBLISHED

CVE-2023-39179

Kernel: ksmbd: read request out-of-bounds read information disclosure vulnerability



Description

A flaw was found within the handling of SMB2 read requests in the kernel ksmbd module. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this to disclose sensitive information on affected installations of Linux. Only systems with ksmbd enabled are vulnerable to this CVE.

Reserved 2023-07-25 | Published 2024-11-18 | Updated 2024-11-18 | Assigner fedora


HIGH: 7.5CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:L

Product status

e202a1e8634b186da38cbbff85382ea2b9e297cf before *
unaffected

Default status
unaffected

Default status
unaffected

Default status
unaffected

Default status
unaffected

Default status
unaffected

Default status
unaffected

Default status
unaffected

Timeline

2023-07-24:Reported to Red Hat.
2024-06-10:Made public.

References

access.redhat.com/security/cve/CVE-2023-39179 vdb-entry

bugzilla.redhat.com/show_bug.cgi?id=2326529 (RHBZ#2326529) issue-tracking

www.zerodayinitiative.com/advisories/ZDI-24-586/

cve.org (CVE-2023-39179)

nvd.nist.gov (CVE-2023-39179)

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