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Huawei EulerOS: CVE-2023-34256: kernel security update

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Huawei EulerOS: CVE-2023-34256: kernel security update

Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
05/31/2023
Created
08/10/2023
Added
08/09/2023
Modified
01/30/2025

Description

An issue was discovered in the Linux kernel before 6.3.3. There is an out-of-bounds read in crc16 in lib/crc16.c when called from fs/ext4/super.c because ext4_group_desc_csum does not properly check an offset. NOTE: this is disputed by third parties because the kernel is not intended to defend against attackers with the stated "When modifying the block device while it is mounted by the filesystem" access.

Solution(s)

  • huawei-euleros-2_0_sp9-upgrade-kernel
  • huawei-euleros-2_0_sp9-upgrade-kernel-tools
  • huawei-euleros-2_0_sp9-upgrade-kernel-tools-libs
  • huawei-euleros-2_0_sp9-upgrade-python3-perf

References

  • https://attackerkb.com/topics/cve-2023-34256
  • CVE - 2023-34256
  • EulerOS-SA-2023-2614
  • 查看数 702
  • 已创建
  • 最后回复

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