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Red Hat: CVE-2024-41077: kernel: null_blk: fix validation of block size (Multiple Advisories)

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Red Hat: CVE-2024-41077: kernel: null_blk: fix validation of block size (Multiple Advisories)

Severity
4
CVSS
(AV:L/AC:L/Au:M/C:N/I:N/A:C)
Published
07/29/2024
Created
12/06/2024
Added
12/05/2024
Modified
02/06/2025

Description

In the Linux kernel, the following vulnerability has been resolved: null_blk: fix validation of block size Block size should be between 512 and PAGE_SIZE and be a power of 2. The current check does not validate this, so update the check. Without this patch, null_blk would Oops due to a null pointer deref when loaded with bs=1536 [1]. [axboe: remove unnecessary braces and != 0 check]

Solution(s)

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

References

  • CVE-2024-41077
  • RHSA-2024:9315
  • 查看数 694
  • 已创建
  • 最后回复

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