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Oracle Linux: CVE-2023-4015: ELSA-2024-12094: kernel security update (IMPORTANT) (Multiple Advisories)

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Oracle Linux: CVE-2023-4015: ELSA-2024-12094: kernel security update (IMPORTANT) (Multiple Advisories)

Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
09/06/2023
Created
01/30/2024
Added
01/26/2024
Modified
11/29/2024

Description

A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. On an error when building a nftables rule, deactivating immediate expressions in nft_immediate_deactivate() can lead unbinding the chain and objects be deactivated but later used. We recommend upgrading past commit 0a771f7b266b02d262900c75f1e175c7fe76fec2. A use-after-free flaw was found in the Linux kernel's netfilter: nf_tables component, which can be exploited to achieve local privilege escalation. On an error when building a nftables rule, deactivating immediate expressions in nft_immediate_deactivate() can unbind the chain and objects can be deactivated but used later.

Solution(s)

  • oracle-linux-upgrade-kernel

References

  • https://attackerkb.com/topics/cve-2023-4015
  • CVE - 2023-4015
  • ELSA-2024-12094
  • ELSA-2024-0461
  • 查看数 703
  • 已创建
  • 最后回复

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