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Ubuntu: (Multiple Advisories) (CVE-2022-48938): Linux kernel vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2022-48938): Linux kernel vulnerabilities

Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
08/22/2024
Created
11/21/2024
Added
11/19/2024
Modified
01/28/2025

Description

In the Linux kernel, the following vulnerability has been resolved: CDC-NCM: avoid overflow in sanity checking A broken device may give an extreme offset like 0xFFF0 and a reasonable length for a fragment. In the sanity check as formulated now, this will create an integer overflow, defeating the sanity check. Both offset and offset + len need to be checked in such a manner that no overflow can occur. And those quantities should be unsigned.

Solution(s)

  • ubuntu-upgrade-linux-image-4-15-0-1137-oracle
  • ubuntu-upgrade-linux-image-4-15-0-1158-kvm
  • ubuntu-upgrade-linux-image-4-15-0-1168-gcp
  • ubuntu-upgrade-linux-image-4-15-0-1175-aws
  • ubuntu-upgrade-linux-image-4-15-0-1183-azure
  • ubuntu-upgrade-linux-image-4-15-0-231-generic
  • ubuntu-upgrade-linux-image-4-15-0-231-lowlatency
  • ubuntu-upgrade-linux-image-4-4-0-1138-aws
  • ubuntu-upgrade-linux-image-4-4-0-1139-kvm
  • ubuntu-upgrade-linux-image-4-4-0-1176-aws
  • ubuntu-upgrade-linux-image-4-4-0-261-generic
  • ubuntu-upgrade-linux-image-4-4-0-261-lowlatency
  • ubuntu-upgrade-linux-image-5-4-0-1045-iot
  • ubuntu-upgrade-linux-image-5-4-0-1055-xilinx-zynqmp
  • ubuntu-upgrade-linux-image-5-4-0-1083-ibm
  • ubuntu-upgrade-linux-image-5-4-0-1096-bluefield
  • ubuntu-upgrade-linux-image-5-4-0-1120-raspi
  • ubuntu-upgrade-linux-image-5-4-0-1124-kvm
  • ubuntu-upgrade-linux-image-5-4-0-1135-oracle
  • ubuntu-upgrade-linux-image-5-4-0-1136-aws
  • ubuntu-upgrade-linux-image-5-4-0-1140-gcp
  • ubuntu-upgrade-linux-image-5-4-0-1142-azure
  • ubuntu-upgrade-linux-image-5-4-0-202-generic
  • ubuntu-upgrade-linux-image-5-4-0-202-generic-lpae
  • ubuntu-upgrade-linux-image-5-4-0-202-lowlatency
  • ubuntu-upgrade-linux-image-aws
  • ubuntu-upgrade-linux-image-aws-hwe
  • ubuntu-upgrade-linux-image-aws-lts-18-04
  • ubuntu-upgrade-linux-image-aws-lts-20-04
  • ubuntu-upgrade-linux-image-azure
  • ubuntu-upgrade-linux-image-azure-lts-18-04
  • ubuntu-upgrade-linux-image-azure-lts-20-04
  • ubuntu-upgrade-linux-image-bluefield
  • ubuntu-upgrade-linux-image-gcp
  • ubuntu-upgrade-linux-image-gcp-lts-18-04
  • ubuntu-upgrade-linux-image-gcp-lts-20-04
  • ubuntu-upgrade-linux-image-generic
  • ubuntu-upgrade-linux-image-generic-hwe-16-04
  • ubuntu-upgrade-linux-image-generic-hwe-18-04
  • ubuntu-upgrade-linux-image-generic-lpae
  • ubuntu-upgrade-linux-image-generic-lts-xenial
  • ubuntu-upgrade-linux-image-gke
  • ubuntu-upgrade-linux-image-ibm
  • ubuntu-upgrade-linux-image-ibm-lts-20-04
  • ubuntu-upgrade-linux-image-kvm
  • ubuntu-upgrade-linux-image-lowlatency
  • ubuntu-upgrade-linux-image-lowlatency-hwe-16-04
  • ubuntu-upgrade-linux-image-lowlatency-hwe-18-04
  • ubuntu-upgrade-linux-image-lowlatency-lts-xenial
  • ubuntu-upgrade-linux-image-oem
  • ubuntu-upgrade-linux-image-oem-osp1
  • ubuntu-upgrade-linux-image-oracle
  • ubuntu-upgrade-linux-image-oracle-lts-18-04
  • ubuntu-upgrade-linux-image-oracle-lts-20-04
  • ubuntu-upgrade-linux-image-raspi
  • ubuntu-upgrade-linux-image-raspi-hwe-18-04
  • ubuntu-upgrade-linux-image-raspi2
  • ubuntu-upgrade-linux-image-snapdragon-hwe-18-04
  • ubuntu-upgrade-linux-image-virtual
  • ubuntu-upgrade-linux-image-virtual-hwe-16-04
  • ubuntu-upgrade-linux-image-virtual-hwe-18-04
  • ubuntu-upgrade-linux-image-virtual-lts-xenial
  • ubuntu-upgrade-linux-image-xilinx-zynqmp

References

  • https://attackerkb.com/topics/cve-2022-48938
  • CVE - 2022-48938
  • USN-7121-1
  • USN-7121-2
  • USN-7121-3
  • USN-7148-1
  • USN-7159-1
  • USN-7159-2
  • USN-7159-3
  • USN-7159-4
  • USN-7159-5
  • USN-7195-1
  • USN-7195-2
  • https://git.kernel.org/linus/8d2b1a1ec9f559d30b724877da4ce592edc41fdc
  • https://git.kernel.org/stable/c/49909c9f8458cacb5b241106cba65aba5a6d8f4c
  • https://git.kernel.org/stable/c/69560efa001397ebb8dc1c3e6a3ce00302bb9f7f
  • https://git.kernel.org/stable/c/7b737e47b87589031f0d4657f6d7b0b770474925
  • https://git.kernel.org/stable/c/8d2b1a1ec9f559d30b724877da4ce592edc41fdc
  • https://www.cve.org/CVERecord?id=CVE-2022-48938
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