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Oracle Linux: CVE-2023-5345: ELSA-2023-7749: kernel security update (IMPORTANT) (Multiple Advisories)

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Oracle Linux: CVE-2023-5345: ELSA-2023-7749:kernel security update (IMPORTANT) (Multiple Advisories)

Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
10/02/2023
Created
12/20/2023
Added
12/14/2023
Modified
01/07/2025

Description

A use-after-free vulnerability in the Linux kernel's fs/smb/client component can be exploited to achieve local privilege escalation. In case of an error in smb3_fs_context_parse_param, ctx->password was freed but the field was not set to NULL which could lead to double free. We recommend upgrading past commit e6e43b8aa7cd3c3af686caf0c2e11819a886d705. A flaw was found in the SMB client component in the Linux kernel. In case of an error in smb3_fs_context_parse_param, `ctx->password` was freed, but the field was not set to NULL, potentially leading to a use-after-free vulnerability. This flaw allows a local user to crash or potentially escalate their privileges on the system.

Solution(s)

  • oracle-linux-upgrade-kernel

References

  • https://attackerkb.com/topics/cve-2023-5345
  • CVE - 2023-5345
  • ELSA-2023-7749
  • ELSA-2023-13047
  • 查看数 704
  • 已创建
  • 最后回复

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