VULNERABILITY

Ubuntu: (Multiple Advisories) (CVE-2025-21815): Linux kernel vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2025-21815): Linux kernel vulnerabilities

Severity
6
CVSS
(AV:L/AC:L/Au:S/C:N/I:C/A:C)
Published
02/27/2025
Created
05/22/2025
Added
05/21/2025
Modified
05/29/2025

Description

In the Linux kernel, the following vulnerability has been resolved: mm/compaction: fix UBSAN shift-out-of-bounds warning syzkaller reported a UBSAN shift-out-of-bounds warning of (1UL << order) in isolate_freepages_block(). The bogus compound_order can be any value because it is union with flags. Add back the MAX_PAGE_ORDER check to fix the warning.

Solution(s)

  • ubuntu-upgrade-linux-image-6-11-0-1010-realtime
  • ubuntu-upgrade-linux-image-6-11-0-1013-raspi
  • ubuntu-upgrade-linux-image-6-11-0-1014-aws
  • ubuntu-upgrade-linux-image-6-11-0-1014-lowlatency
  • ubuntu-upgrade-linux-image-6-11-0-1014-lowlatency-64k
  • ubuntu-upgrade-linux-image-6-11-0-1015-azure
  • ubuntu-upgrade-linux-image-6-11-0-1015-azure-fde
  • ubuntu-upgrade-linux-image-6-11-0-1015-gcp
  • ubuntu-upgrade-linux-image-6-11-0-1015-gcp-64k
  • ubuntu-upgrade-linux-image-6-11-0-1016-oracle
  • ubuntu-upgrade-linux-image-6-11-0-1016-oracle-64k
  • ubuntu-upgrade-linux-image-6-11-0-1022-oem
  • ubuntu-upgrade-linux-image-6-11-0-26-generic
  • ubuntu-upgrade-linux-image-6-11-0-26-generic-64k
  • ubuntu-upgrade-linux-image-aws
  • ubuntu-upgrade-linux-image-azure
  • ubuntu-upgrade-linux-image-azure-fde
  • ubuntu-upgrade-linux-image-gcp
  • ubuntu-upgrade-linux-image-gcp-64k
  • ubuntu-upgrade-linux-image-generic
  • ubuntu-upgrade-linux-image-generic-64k
  • ubuntu-upgrade-linux-image-generic-64k-hwe-24-04
  • ubuntu-upgrade-linux-image-generic-hwe-24-04
  • ubuntu-upgrade-linux-image-lowlatency
  • ubuntu-upgrade-linux-image-lowlatency-64k
  • ubuntu-upgrade-linux-image-lowlatency-64k-hwe-24-04
  • ubuntu-upgrade-linux-image-lowlatency-hwe-24-04
  • ubuntu-upgrade-linux-image-oem-24-04b
  • ubuntu-upgrade-linux-image-oracle
  • ubuntu-upgrade-linux-image-oracle-64k
  • ubuntu-upgrade-linux-image-raspi
  • ubuntu-upgrade-linux-image-realtime
  • ubuntu-upgrade-linux-image-virtual
  • ubuntu-upgrade-linux-image-virtual-hwe-24-04

References

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