CVE-2024-0565

Kernel: cifs filesystem decryption improper input validation remote code execution vulnerability in function receive_encrypted_standard of client

Description

An out-of-bounds memory read flaw was found in receive_encrypted_standard in fs/smb/client/smb2ops.c in the SMB Client sub-component in the Linux Kernel. This issue occurs due to integer underflow on the memcpy length, leading to a denial of service.

Remediation

Workaround:

  • To mitigate this issue, prevent module cifs from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.

Category

6.8
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.05%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: Red Hat Red Hat Enterprise Linux 8
Affected: Red Hat Red Hat Enterprise Linux 8
Affected: Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support
Affected: Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support
Affected: Red Hat Red Hat Enterprise Linux 9
Affected: Red Hat Red Hat Enterprise Linux 9
Affected: Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support
Affected: Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support
Affected: Red Hat Red Hat Virtualization 4 for Red Hat Enterprise Linux 8
Affected: Red Hat RHOL-5.7-RHEL-8
Affected: Red Hat RHOL-5.7-RHEL-8
Affected: Red Hat RHOL-5.7-RHEL-8
Affected: Red Hat RHOL-5.7-RHEL-8
Affected: Red Hat RHOL-5.7-RHEL-8
Affected: Red Hat RHOL-5.7-RHEL-8
Affected: Red Hat RHOL-5.7-RHEL-8
Affected: Red Hat RHOL-5.7-RHEL-8
Affected: Red Hat RHOL-5.7-RHEL-8
Affected: Red Hat RHOL-5.7-RHEL-8
Affected: Red Hat RHOL-5.7-RHEL-8
Affected: Red Hat RHOL-5.7-RHEL-8
Affected: Red Hat RHOL-5.7-RHEL-8
Affected: Red Hat RHOL-5.7-RHEL-8
Affected: Red Hat RHOL-5.7-RHEL-8
Affected: Red Hat RHOL-5.7-RHEL-8
Affected: Red Hat RHOL-5.7-RHEL-8
Affected: Red Hat RHOL-5.7-RHEL-8
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 9
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/errata/RHSA-2024:1188 vendor advisory
https://access.redhat.com/errata/RHSA-2024:1404 vendor advisory
https://access.redhat.com/errata/RHSA-2024:1532 vendor advisory
https://access.redhat.com/errata/RHSA-2024:1533 vendor advisory
https://access.redhat.com/errata/RHSA-2024:1607 vendor advisory
https://access.redhat.com/errata/RHSA-2024:1614 vendor advisory
https://access.redhat.com/errata/RHSA-2024:2093 vendor advisory
https://access.redhat.com/errata/RHSA-2024:2394 vendor advisory
https://access.redhat.com/security/cve/CVE-2024-0565 third party advisory vdb entry
https://bugzilla.redhat.com/show_bug.cgi?id=2258518 patch third party advisory issue tracking
https://www.spinics.net/lists/stable-commits/msg328851.html patch mailing list
https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
https://security.netapp.com/advisory/ntap-20240223-0002/

Frequently Asked Questions

What is the severity of CVE-2024-0565?
CVE-2024-0565 has been scored as a medium severity vulnerability.
How to fix CVE-2024-0565?
As a workaround for remediating CVE-2024-0565: To mitigate this issue, prevent module cifs from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.
Is CVE-2024-0565 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-0565 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-2024-0565?
CVE-2024-0565 affects Red Hat Red Hat Enterprise Linux 8, Red Hat Red Hat Enterprise Linux 8, Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support, Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support, Red Hat Red Hat Enterprise Linux 9, Red Hat Red Hat Enterprise Linux 9, Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support, Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support, Red Hat Red Hat Virtualization 4 for Red Hat Enterprise Linux 8, Red Hat RHOL-5.7-RHEL-8, Red Hat RHOL-5.7-RHEL-8, Red Hat RHOL-5.7-RHEL-8, Red Hat RHOL-5.7-RHEL-8, Red Hat RHOL-5.7-RHEL-8, Red Hat RHOL-5.7-RHEL-8, Red Hat RHOL-5.7-RHEL-8, Red Hat RHOL-5.7-RHEL-8, Red Hat RHOL-5.7-RHEL-8, Red Hat RHOL-5.7-RHEL-8, Red Hat RHOL-5.7-RHEL-8, Red Hat RHOL-5.7-RHEL-8, Red Hat RHOL-5.7-RHEL-8, Red Hat RHOL-5.7-RHEL-8, Red Hat RHOL-5.7-RHEL-8, Red Hat RHOL-5.7-RHEL-8, Red Hat RHOL-5.7-RHEL-8, Red Hat RHOL-5.7-RHEL-8, 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 9.
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