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CVE-2024-0565— Kernel: cifs filesystem decryption improper input validation remote code execution vulnerability in function receive_encrypted_standard of client

Quick assessment

Affected
Linux kernel
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux Kernel存在安全漏洞，该漏洞源于memcpy 长度整数下溢，SMB 客户端子组件中的 fs/smb/client/smb2ops.c 中的 receive_encrypted_standard 发现了越界内存读取。

CVSS 6.8 · Medium EPSS 2.00% · P80

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 35

VendorProduct Version RangeStatus
Linux kernel 4.19< 5.10.211 affected
5.11< 5.15.150 affected
5.16< 6.1.69 affected
6.2< 6.6.8 affected
Red Hat Red Hat Enterprise Linux 6 any unaffected
Red Hat Red Hat Enterprise Linux 7 any unaffected
any unaffected
Red Hat Red Hat Enterprise Linux 8 0:4.18.0-513.24.1.rt7.326.el8_9< * unaffected
0:4.18.0-513.24.1.el8_9< * unaffected
Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support 0:4.18.0-372.95.1.el8_6< * unaffected
Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support 0:4.18.0-477.51.1.el8_8< * unaffected
Red Hat Red Hat Enterprise Linux 9 0:5.14.0-427.13.1.el9_4< * unaffected
0:5.14.0-427.13.1.el9_4< * unaffected
any affected
Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support 0:5.14.0-284.59.1.el9_2< * unaffected
0:5.14.0-284.59.1.rt14.344.el9_2< * unaffected
Red Hat Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 0:4.18.0-372.95.1.el8_6< * unaffected
Red Hat RHOL-5.7-RHEL-8 v5.7.13-16< * unaffected
v5.7.13-7< * unaffected
v6.8.1-408< * unaffected
v5.7.13-19< * unaffected
v1.0.0-480< * unaffected
v5.7.13-9< * unaffected
v0.4.0-248< * unaffected
v1.14.6-215< * unaffected
… +10 more rows
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I. Basic Information for CVE-2024-0565

Vulnerability Information
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Vulnerability Title
Kernel: cifs filesystem decryption improper input validation remote code execution vulnerability in function receive_encrypted_standard of client
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
整数下溢(超界折返)
Source: CVE Program / CVE List V5
Vulnerability Title
Linux Kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux Kernel存在安全漏洞，该漏洞源于memcpy 长度整数下溢，SMB 客户端子组件中的 fs/smb/client/smb2ops.c 中的 receive_encrypted_standard 发现了越界内存读取。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux kernel 4.19 ~ 5.10.211 -
Red Hat Red Hat Enterprise Linux 8 0:4.18.0-513.24.1.rt7.326.el8_9 ~ * cpe:/a:redhat:enterprise_linux:8::nfv
Red Hat Red Hat Enterprise Linux 8 0:4.18.0-513.24.1.el8_9 ~ * cpe:/a:redhat:enterprise_linux:8::crb
Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support 0:4.18.0-372.95.1.el8_6 ~ * cpe:/a:redhat:rhel_eus:8.6::crb
Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support 0:4.18.0-477.51.1.el8_8 ~ * cpe:/a:redhat:rhel_eus:8.8::crb
Red Hat Red Hat Enterprise Linux 9 0:5.14.0-427.13.1.el9_4 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat Red Hat Enterprise Linux 9 0:5.14.0-427.13.1.el9_4 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support 0:5.14.0-284.59.1.el9_2 ~ * cpe:/a:redhat:rhel_eus:9.2::appstream
Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support 0:5.14.0-284.59.1.rt14.344.el9_2 ~ * cpe:/a:redhat:rhel_eus:9.2::nfv
Red Hat Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 0:4.18.0-372.95.1.el8_6 ~ * cpe:/a:redhat:rhel_eus:8.6::crb
Red Hat RHOL-5.7-RHEL-8 v5.7.13-16 ~ * cpe:/a:redhat:logging:5.7::el8
Red Hat RHOL-5.7-RHEL-8 v5.7.13-7 ~ * cpe:/a:redhat:logging:5.7::el8
Red Hat RHOL-5.7-RHEL-8 v6.8.1-408 ~ * cpe:/a:redhat:logging:5.7::el8
Red Hat RHOL-5.7-RHEL-8 v5.7.13-19 ~ * cpe:/a:redhat:logging:5.7::el8
Red Hat RHOL-5.7-RHEL-8 v1.0.0-480 ~ * cpe:/a:redhat:logging:5.7::el8
Red Hat RHOL-5.7-RHEL-8 v5.7.13-9 ~ * cpe:/a:redhat:logging:5.7::el8
Red Hat RHOL-5.7-RHEL-8 v0.4.0-248 ~ * cpe:/a:redhat:logging:5.7::el8
Red Hat RHOL-5.7-RHEL-8 v1.14.6-215 ~ * cpe:/a:redhat:logging:5.7::el8
Red Hat RHOL-5.7-RHEL-8 v6.8.1-431 ~ * cpe:/a:redhat:logging:5.7::el8
Red Hat RHOL-5.7-RHEL-8 v1.1.0-228 ~ * cpe:/a:redhat:logging:5.7::el8
Red Hat RHOL-5.7-RHEL-8 v5.8.1-471 ~ * cpe:/a:redhat:logging:5.7::el8
Red Hat RHOL-5.7-RHEL-8 v2.9.6-15 ~ * cpe:/a:redhat:logging:5.7::el8
Red Hat RHOL-5.7-RHEL-8 v5.7.13-3 ~ * cpe:/a:redhat:logging:5.7::el8
Red Hat RHOL-5.7-RHEL-8 v5.7.13-27 ~ * cpe:/a:redhat:logging:5.7::el8
Red Hat RHOL-5.7-RHEL-8 v5.7.13-12 ~ * cpe:/a:redhat:logging:5.7::el8
Red Hat RHOL-5.7-RHEL-8 v0.1.0-527 ~ * cpe:/a:redhat:logging:5.7::el8
Red Hat RHOL-5.7-RHEL-8 v0.1.0-225 ~ * cpe:/a:redhat:logging:5.7::el8
Red Hat RHOL-5.7-RHEL-8 v0.28.1-57 ~ * cpe:/a:redhat:logging:5.7::el8
Red Hat Red Hat Enterprise Linux 6 - cpe:/o:redhat:enterprise_linux:6
Red Hat Red Hat Enterprise Linux 7 - cpe:/o:redhat:enterprise_linux:7

II. Public POCs for CVE-2024-0565

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III. Intelligence Information for CVE-2024-0565

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Vendor Advisories for CVE-2024-0565 (10)

Mailing List Discussions for CVE-2024-0565 (1)

Other References for CVE-2024-0565 (1)

IV. Related Vulnerabilities

Same product: kernel
Same vendor: Linux
Same weakness: CWE-191

V. Comments for CVE-2024-0565

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