Medium severity · published Nov 1, 2023
CVE-2023-1193
Use-after-free in setup_async_work()
6.5
CVSS
1%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 64% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
before 6.3; 6.3; 6.3; 6.3; 6.3; 6.3; +1 more · source: NVD
FE
Fedora · Fedora
All versions, or not specified · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-1193
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-1193
Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-1193
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2154177
Mailing List
https://lkml.kernel.org/linux-cifs/20230401084951.6085-2-linkinjeon@kernel.org/T/
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