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Ubuntu: (Multiple Advisories) (CVE-2024-26601): Linux kernel (OEM) vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2024-26601): Linux kernel (OEM) vulnerabilities

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
02/26/2024
Created
03/13/2024
Added
03/12/2024
Modified
04/19/2024

Description

In the Linux kernel, the following vulnerability has been resolved: ext4: regenerate buddy after block freeing failed if under fc replay This mostly reverts commit 6bd97bf273bd ("ext4: remove redundant mb_regenerate_buddy()") and reintroduces mb_regenerate_buddy(). Based on code in mb_free_blocks(), fast commit replay can end up marking as free blocks that are already marked as such. This causes corruption of the buddy bitmap so we need to regenerate it in that case.

Solution(s)

  • ubuntu-upgrade-linux-image-6-1-0-1035-oem
  • ubuntu-upgrade-linux-image-oem-22-04
  • ubuntu-upgrade-linux-image-oem-22-04a
  • ubuntu-upgrade-linux-image-oem-22-04b
  • ubuntu-upgrade-linux-image-oem-22-04c

References

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