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CVE-2023-5345

nvd nist
Published: Oct 3, 2023Modified: Jun 17, 2026

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7.8
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability: 1.8 / Impact: 5.9
Source: NVD

Description

A use-after-free vulnerability in the Linux kernel's fs/smb/client component can be exploited to achieve local privilege escalation. In case of an error in smb3_fs_context_parse_param, ctx->password was freed but the field was not set to NULL which could lead to double free. We recommend upgrading past commit e6e43b8aa7cd3c3af686caf0c2e11819a886d705.

Affected (8)

Linux
1 product
Linux Kernel
Fedoraproject
1 product
Fedora
Configuration A
5 vulnerable
Vulnerable SoftwareAffected Versions
Linux
Linux Kernel
From 6.0.16 to 6.1.56
Linux Kernel
From 6.2 to 6.5.6
Linux Kernel
Version 6.6 rc1
Linux Kernel
Version 6.6 rc2
Linux Kernel
Version 6.6 rc3
Configuration B
3 vulnerable
Vulnerable SoftwareAffected Versions
Fedoraproject
Fedora
Version 37
Fedora
Version 38
Fedora
Version 39

Related CWEs

CWE-416
Use After Free
The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

References (12)

Source: cve-coordination@google.com
Third Party AdvisoryVDB Entry
Source: cve-coordination@google.com
Mailing ListPatch
Source: cve-coordination@google.com
Mailing ListPatch
Source: cve-coordination@google.com
Mailing List
Source: cve-coordination@google.com
Mailing List
Source: cve-coordination@google.com
Mailing List
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryVDB Entry
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListPatch
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListPatch
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List

Timeline

No history available yet.