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Red Hat: CVE-2023-39191: kernel: eBPF: insufficient stack type checks in dynptr (Multiple Advisories)

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Red Hat: CVE-2023-39191: kernel: eBPF: insufficient stack type checks in dynptr (Multiple Advisories)

Severity
7
CVSS
(AV:L/AC:L/Au:M/C:C/I:C/A:C)
Published
10/04/2023
Created
11/09/2023
Added
11/08/2023
Modified
01/28/2025

Description

An improper input validation flaw was found in the eBPF subsystem in the Linux kernel. The issue occurs due to a lack of proper validation of dynamic pointers within user-supplied eBPF programs prior to executing them. This may allow an attacker with CAP_BPF privileges to escalate privileges and execute arbitrary code in the context of the kernel.

Solution(s)

  • redhat-upgrade-kernel
  • redhat-upgrade-kernel-rt

References

  • CVE-2023-39191
  • RHSA-2023:6583
  • RHSA-2024:0381
  • RHSA-2024:0439
  • RHSA-2024:0448
  • 查看数 703
  • 已创建
  • 最后回复

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