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Ubuntu: (CVE-2023-52804): linux vulnerability

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Ubuntu: (CVE-2023-52804): linux vulnerability

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
05/21/2024
Created
11/21/2024
Added
11/19/2024
Modified
02/11/2025

Description

In the Linux kernel, the following vulnerability has been resolved: fs/jfs: Add validity check for db_maxag and db_agpref Both db_maxag and db_agpref are used as the index of the db_agfree array, but there is currently no validity check for db_maxag and db_agpref, which can lead to errors. The following is related bug reported by Syzbot: UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dmap.c:639:20 index 7936 is out of range for type 'atomic_t[128]' Add checking that the values of db_maxag and db_agpref are valid indexes for the db_agfree array.

Solution(s)

  • ubuntu-upgrade-linux
  • ubuntu-upgrade-linux-aws
  • ubuntu-upgrade-linux-aws-5-15
  • ubuntu-upgrade-linux-aws-5-4
  • ubuntu-upgrade-linux-aws-fips
  • ubuntu-upgrade-linux-azure
  • ubuntu-upgrade-linux-azure-5-15
  • ubuntu-upgrade-linux-azure-5-4
  • ubuntu-upgrade-linux-azure-fde
  • ubuntu-upgrade-linux-azure-fde-5-15
  • ubuntu-upgrade-linux-azure-fips
  • ubuntu-upgrade-linux-bluefield
  • ubuntu-upgrade-linux-fips
  • ubuntu-upgrade-linux-gcp
  • ubuntu-upgrade-linux-gcp-5-15
  • ubuntu-upgrade-linux-gcp-5-4
  • ubuntu-upgrade-linux-gcp-fips
  • ubuntu-upgrade-linux-gke
  • ubuntu-upgrade-linux-gkeop
  • ubuntu-upgrade-linux-gkeop-5-15
  • ubuntu-upgrade-linux-hwe-5-15
  • ubuntu-upgrade-linux-hwe-5-4
  • ubuntu-upgrade-linux-ibm
  • ubuntu-upgrade-linux-ibm-5-15
  • ubuntu-upgrade-linux-ibm-5-4
  • ubuntu-upgrade-linux-intel-iot-realtime
  • ubuntu-upgrade-linux-intel-iotg
  • ubuntu-upgrade-linux-intel-iotg-5-15
  • ubuntu-upgrade-linux-iot
  • ubuntu-upgrade-linux-kvm
  • ubuntu-upgrade-linux-lowlatency
  • ubuntu-upgrade-linux-lowlatency-hwe-5-15
  • ubuntu-upgrade-linux-nvidia
  • ubuntu-upgrade-linux-nvidia-6-5
  • ubuntu-upgrade-linux-oracle
  • ubuntu-upgrade-linux-oracle-5-15
  • ubuntu-upgrade-linux-oracle-5-4
  • ubuntu-upgrade-linux-raspi
  • ubuntu-upgrade-linux-raspi-5-4
  • ubuntu-upgrade-linux-realtime
  • ubuntu-upgrade-linux-riscv-5-15
  • ubuntu-upgrade-linux-xilinx-zynqmp

References

  • https://attackerkb.com/topics/cve-2023-52804
  • CVE - 2023-52804
  • https://git.kernel.org/linus/64933ab7b04881c6c18b21ff206c12278341c72e
  • https://git.kernel.org/stable/c/1f74d336990f37703a8eee77153463d65b67f70e
  • https://git.kernel.org/stable/c/2323de34a3ae61a9f9b544c18583f71cea86721f
  • https://git.kernel.org/stable/c/32bd8f1cbcf8b663e29dd1f908ba3a129541a11b
  • https://git.kernel.org/stable/c/5013f8269887642cca784adc8db9b5f0b771533f
  • https://git.kernel.org/stable/c/64933ab7b04881c6c18b21ff206c12278341c72e
  • https://git.kernel.org/stable/c/a0649e2dd4a3595b5595a29d0064d047c2fae2fb
  • https://git.kernel.org/stable/c/c6c8863fb3f57700ab583d875adda04caaf2278a
  • https://git.kernel.org/stable/c/ce15b0f1a431168f07b1cc6c9f71206a2db5c809
  • https://git.kernel.org/stable/c/dca403bb035a565bb98ecc1dda5d30f676feda40
  • https://www.cve.org/CVERecord?id=CVE-2023-52804
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