Use-after-free in setup_async_work()
CVE-2023-1193

6.5MEDIUM

Key Information:

Vendor
Red Hat
Status
Kernel
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Vendor
CVE Published:
1 November 2023

Summary

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.

Affected Version(s)

Kernel 6.3-rc6

References

https://access.redhat.com/security/cve/CVE-2023-1193
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2154177
issue-trackingx_refsource_REDHAT
https://lkml.kernel.org/linux-cifs/20230401084951.6085-2-...

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Collectors

NVD DatabaseMitre Database

Credit

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