CVE-2023-1193
published 2023-11-01CVE-2023-1193: 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…
PriorityP434medium6.5CVSS 3.1
AVNACLPRLUINSUCNINAH
EPSS
1.05%
60.8th percentile
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
8 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 6.1.76-1 (bookworm) | linux 6.1.76-1 (bookworm) |
| linux | linux_kernel | < 6.3 | 6.3 |
| linux | linux_kernel | — | — |
| linux | linux_kernel | >= 0 < 6.1.76-1 | 6.1.76-1 |
| linux | linux_kernel | >= 0 < 6.3.7-1 | 6.3.7-1 |
| linux | linux_kernel | >= 0 < 6.3.7-1 | 6.3.7-1 |
| msrc | cbl2_hyperv-daemons_5.15.145.2-1_on_cbl_mariner_2.0 | — | — |
| msrc | cbl2_kernel_5.15.143.1-1_on_cbl_mariner_2.0 | — | — |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv6.5MEDIUM
vendor_debian6.5MEDIUM
vendor_msrc6.5MEDIUM
vendor_redhat6.5MEDIUM
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Microsoft
Use-after-free in setup_async_work()
vendor_msrc·2023-11-14·CVSS 6.5
CVE-2023-1193 [MEDIUM] CWE-416 Use-after-free in setup_async_work()
Use-after-free in setup_async_work()
FAQ: Is Azure Linux the only Microsoft product that includes this open-source library and is therefore potentially affected by this vulnerability?
One of the main benefits to our customers who choose to use the Azure Linux distro is the commitment to keep it up to date with the most recent and most secure versions of the open source libraries with which the distro is composed. Microsoft is committed to transparency in this work which is why we began publishing CSAF/VEX in October 2025. See this blog post for more information. If impact to additional products is identified, we will update the CVE to reflect this.
Mariner: Mariner
redhat: redhat
Customer Action Required: Yes
Remediation: CBL-Mariner Releases
Reference: https://learn.microsoft.com/en
Debian
CVE-2023-1193: linux - A use-after-free flaw was found in setup_async_work in the KSMBD implementation ...
vendor_debian·2023·CVSS 6.5
CVE-2023-1193 [MEDIUM] CVE-2023-1193: linux - A use-after-free flaw was found in setup_async_work in the KSMBD implementation ...
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.
Scope: local
bookworm: resolved (fixed in 6.1.76-1)
bullseye: resolved
forky: resolved (fixed in 6.3.7-1)
sid: resolved (fixed in 6.3.7-1)
trixie: resolved (fixed in 6.3.7-1)
Red Hat
kernel: use-after-free in setup_async_work()
vendor_redhat·2022-10-02·CVSS 6.5
CVE-2023-1193 [MEDIUM] CWE-416 kernel: use-after-free in setup_async_work()
kernel: use-after-free in setup_async_work()
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.
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.
Statement: No shipped kernel version was seen affected by this problem. These files are not built in our source code.
Package: kernel (Red Hat Enterprise Linux 6) - Not affected
Package: kernel (Red Hat Enterprise Linux 7) - Not affected
Package: kernel-rt (Red Hat Enterprise Linux 7) - Not affected
Package
OSV
CVE-2023-1193: 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
osv·2023-11-01·CVSS 6.5
CVE-2023-1193 [MEDIUM] CVE-2023-1193: 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
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.
GHSA
GHSA-vv37-54q4-33cj: 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
ghsa_unreviewed·2023-11-01
CVE-2023-1193 [MEDIUM] CWE-416 GHSA-vv37-54q4-33cj: 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
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.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://access.redhat.com/security/cve/CVE-2023-1193https://bugzilla.redhat.com/show_bug.cgi?id=2154177https://lkml.kernel.org/linux-cifs/[email protected]/T/https://access.redhat.com/security/cve/CVE-2023-1193https://bugzilla.redhat.com/show_bug.cgi?id=2154177https://lkml.kernel.org/linux-cifs/[email protected]/T/
2023-11-01
Published