CVE-2022-47940

Published on: Not Yet Published

Last Modified on: 01/14/2023 03:10:00 AM UTC

CVE-2022-47940

Source: Mitre Source: NIST CVE.ORG Print: PDF PDF
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Certain versions of Linux Kernel from Linux contain the following vulnerability:

An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.18 before 5.18.18. fs/ksmbd/smb2pdu.c lacks length validation in the non-padding case in smb2_write.

  • CVE-2022-47940 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as HIGH severity.

CVSS3 Score: 8.1 - HIGH

Attack
Vector ⓘ		 Attack
Complexity		 Privileges
Required		 User
Interaction
NETWORK LOW LOW NONE
Scope Confidentiality
Impact		 Integrity
Impact		 Availability
Impact
UNCHANGED HIGH NONE HIGH

CVE References

Description Tags ⓘ Link
ksmbd: validate length in smb2_write() · torvalds/[email protected] · GitHub github.com
text/html
 URL Logo MISC github.com/torvalds/linux/commit/158a66b245739e15858de42c0ba60fcf3de9b8e6
cdn.kernel.org
text/plain
 URL Logo MISC cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.18
kernel/git/torvalds/linux.git - Linux kernel source tree git.kernel.org
text/html
 URL Logo MISC git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=158a66b245739e15858de42c0ba60fcf3de9b8e6
oss-security - Re: Details on this supposed Linux Kernel ksmbd RCE www.openwall.com
text/html
 URL Logo MLIST [oss-security] 20221223 Re: Details on this supposed Linux Kernel ksmbd RCE
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Related QID Numbers

  • 199159 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5851-1)
  • 199160 Ubuntu Security Notification for Linux kernel (GKE) Vulnerabilities (USN-5860-1)
  • 199177 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5876-1)
  • 199179 Ubuntu Security Notification for Linux kernel (GKE) Vulnerabilities (USN-5877-1)
  • 904768 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (12095)
  • 904997 Common Base Linux Mariner (CBL-Mariner) Security Update for livepatch-5.15.72.1-1.cm2 (12530)
  • 905002 Common Base Linux Mariner (CBL-Mariner) Security Update for livepatch-5.15.86.1-1.cm2 (12559)
  • 905024 Common Base Linux Mariner (CBL-Mariner) Security Update for livepatch-5.15.77.1-1.cm2 (12540)
  • 905051 Common Base Linux Mariner (CBL-Mariner) Security Update for livepatch-5.15.80.1-1.cm2 (12547)
  • 905090 Common Base Linux Mariner (CBL-Mariner) Security Update for livepatch-5.15.48.1-4.cm2 (12527)
  • 905091 Common Base Linux Mariner (CBL-Mariner) Security Update for hyperv-daemons (12498)
  • 905117 Common Base Linux Mariner (CBL-Mariner) Security Update for livepatch-5.15.81.1-1.cm2 (12551)
  • 905125 Common Base Linux Mariner (CBL-Mariner) Security Update for livepatch-5.15.74.1-1.cm2 (12536)
  • 905126 Common Base Linux Mariner (CBL-Mariner) Security Update for livepatch-5.15.85.1-1.cm2 (12558)
  • 905146 Common Base Linux Mariner (CBL-Mariner) Security Update for livepatch-5.15.79.1-1.cm2 (12544)
  • 905171 Common Base Linux Mariner (CBL-Mariner) Security Update for livepatch-5.15.82.1-1.cm2 (12555)
  • 905234 Common Base Linux Mariner (CBL-Mariner) Security Update for hyperv-daemons (12931)
  • 905546 Common Base Linux Mariner (CBL-Mariner) Security Update for hyperv-daemons (12931-1)
  • 906445 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (12095-2)

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System		LinuxLinux KernelAllAllAllAll
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2022-47940 : An issue was discovered in ksmbd in the #Linux #kernel before 5.18.18. fs/ksmbd/smb2pdu.c lacks le… twitter.com/i/web/status/1… 2022-12-23 16:07:44
Reddit Logo Icon /r/netcve CVE-2022-47940 2022-12-23 17:39:32
© CVE.report 2023 Twitter Nitter Twitter Viewer |

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