๐Ÿ” CVE Alert

CVE-2023-1193

MEDIUM 6.5

Use-after-free in setup_async_work()

CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th

A use-after-free flaw was found in setup_async_work in the KSMBD implementation of the in-kernel samba server and CIFS in the Linux kernel. This issue could allow an attacker to crash the system by accessing freed work.

CWE CWE-416
Vendor n/a
Product kernel
Published Nov 1, 2023
Last Updated Feb 27, 2025
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Affected Versions

n/a / Kernel
All versions affected
Red Hat / Red Hat Enterprise Linux 6
All versions affected
Red Hat / Red Hat Enterprise Linux 7
All versions affected
Red Hat / Red Hat Enterprise Linux 7
All versions affected
Red Hat / Red Hat Enterprise Linux 8
All versions affected
Red Hat / Red Hat Enterprise Linux 8
All versions affected
Red Hat / Red Hat Enterprise Linux 9
All versions affected
Red Hat / Red Hat Enterprise Linux 9
All versions affected
Fedora / Fedora
All versions affected

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
access.redhat.com: https://access.redhat.com/security/cve/CVE-2023-1193 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2154177 lkml.kernel.org: https://lkml.kernel.org/linux-cifs/[email protected]/T/

Credits

Red Hat would like to thank Pumpkin (@u1f383), working with DEVCORE Internship Program for reporting this issue.