CVE-2022-47940

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Summary

CVECVE-2022-47940
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-12-23 16:15:00 UTC
Updated2022-12-30 15:52:00 UTC
DescriptionAn 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.

Risk And Classification

Problem Types: CWE-125

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

References

ReferenceSourceLinkTags
ksmbd: validate length in smb2_write() · torvalds/linux@158a66b · GitHub MISC github.com
cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.18 MISC cdn.kernel.org
kernel/git/torvalds/linux.git - Linux kernel source tree MISC git.kernel.org
oss-security - Re: Details on this supposed Linux Kernel ksmbd RCE MLIST www.openwall.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 183937 Debian Security Update for linux (CVE-2022-47940)
  • 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)
  • 906656 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (12095-4)
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