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Ubuntu: (CVE-2022-47943): linux vulnerability

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Ubuntu: (CVE-2022-47943): linux vulnerability

Severity
9
CVSS
(AV:N/AC:L/Au:S/C:C/I:N/A:C)
Published
12/23/2022
Created
11/21/2024
Added
11/19/2024
Modified
02/11/2025

Description

An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. There is an out-of-bounds read and OOPS for SMB2_WRITE, when there is a large length in the zero DataOffset case.

Solution(s)

  • ubuntu-upgrade-linux
  • ubuntu-upgrade-linux-aws
  • ubuntu-upgrade-linux-aws-5-15
  • ubuntu-upgrade-linux-azure
  • ubuntu-upgrade-linux-azure-5-15
  • ubuntu-upgrade-linux-azure-fde
  • ubuntu-upgrade-linux-azure-fde-5-15
  • ubuntu-upgrade-linux-gcp
  • ubuntu-upgrade-linux-gcp-5-15
  • ubuntu-upgrade-linux-gke
  • ubuntu-upgrade-linux-gke-5-15
  • ubuntu-upgrade-linux-gkeop
  • ubuntu-upgrade-linux-gkeop-5-15
  • ubuntu-upgrade-linux-hwe-5-15
  • ubuntu-upgrade-linux-ibm
  • ubuntu-upgrade-linux-intel-iotg
  • ubuntu-upgrade-linux-intel-iotg-5-15
  • ubuntu-upgrade-linux-kvm
  • ubuntu-upgrade-linux-lowlatency
  • ubuntu-upgrade-linux-lowlatency-hwe-5-15
  • ubuntu-upgrade-linux-nvidia
  • ubuntu-upgrade-linux-oracle
  • ubuntu-upgrade-linux-oracle-5-15
  • ubuntu-upgrade-linux-raspi
  • ubuntu-upgrade-linux-realtime
  • ubuntu-upgrade-linux-riscv
  • ubuntu-upgrade-linux-riscv-5-15

References

  • https://attackerkb.com/topics/cve-2022-47943
  • CVE - 2022-47943
  • https://www.cve.org/CVERecord?id=CVE-2022-47943
  • https://www.openwall.com/lists/oss-security/2022/12/23/1
  • https://www.zerodayinitiative.com/advisories/ZDI-22-1691/
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