CVE-2023-1193

6.5 mediumEPSS 1.0%

Medium (6.5) in linux linux kernel. EPSS 1.0% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.5 medium

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

EPSS: 1.0% chance of exploitation in the next 30 days; higher than 64% of CVEs (scores of 2026-10-31)
CWE: CWE-416
Published: 2023-11-01
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

linux:linux_kernel

References

https://access.redhat.com/security/cve/CVE-2023-1193
https://bugzilla.redhat.com/show_bug.cgi?id=2154177
https://lkml.kernel.org/linux-cifs/20230401084951.6085-2-linkinjeon@kernel.org/T/
https://access.redhat.com/security/cve/CVE-2023-1193
https://bugzilla.redhat.com/show_bug.cgi?id=2154177

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