CVE-2023-32253

Kernel: deadlock in ksmbd_find_crypto_ctx()

Description

A flaw was found in the Linux kernel's ksmbd component. A deadlock is triggered by sending multiple concurrent session setup requests, possibly leading to a denial of service.

Category

5.9
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.17%
Affected: Red Hat Red Hat Enterprise Linux 10
Affected: Red Hat Red Hat Enterprise Linux 6
Affected: Red Hat Red Hat Enterprise Linux 7
Affected: Red Hat Red Hat Enterprise Linux 7
Affected: Red Hat Red Hat Enterprise Linux 8
Affected: Red Hat Red Hat Enterprise Linux 8
Affected: Red Hat Red Hat Enterprise Linux 9
Affected: Red Hat Red Hat Enterprise Linux 9
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/security/cve/CVE-2023-32253 vdb entry
https://bugzilla.redhat.com/show_bug.cgi?id=2385886 issue tracking

Frequently Asked Questions

What is the severity of CVE-2023-32253?
CVE-2023-32253 has been scored as a medium severity vulnerability.
How to fix CVE-2023-32253?
To fix CVE-2023-32253, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-32253 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-32253 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-32253?
CVE-2023-32253 affects Red Hat Red Hat Enterprise Linux 10, Red Hat Red Hat Enterprise Linux 6, Red Hat Red Hat Enterprise Linux 7, Red Hat Red Hat Enterprise Linux 7, Red Hat Red Hat Enterprise Linux 8, Red Hat Red Hat Enterprise Linux 8, Red Hat Red Hat Enterprise Linux 9, Red Hat Red Hat Enterprise Linux 9.
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