Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/compaction: Proper handling of freepagesprepare has been implemented in compactionfree. freepagesprepare may fail, but compactionfree does not handle this failure case. Pages that fail should not be added back to cc-freepages...

CVE-2026-72027

A flaw was found in the Linux kernel's memory management subsystem, specifically within the mm/compaction component. When the freepagesprepare function fails, the compactionfree function does not properly handle this error. This oversight can lead to pages that are either hardware poisoned...

CVE-2026-72027

In the Linux kernel, the following vulnerability has been resolved: mm/compaction: handle freepagesprepare properly in compactionfree freepagesprepare can fail but compactionfree does not handle the failure case. Failed pages should not be added back to cc-freepages for future use, since they can...

CVE-2026-72027

In the Linux kernel, the following vulnerability has been resolved: mm/compaction: handle freepagesprepare properly in compactionfree freepagesprepare can fail but compactionfree does not handle the failure case. Failed pages should not be added back to cc-freepages for future use, since they can...

CVE-2026-72027 mm/compaction: handle free_pages_prepare() properly in compaction_free()

In the Linux kernel, the following vulnerability has been resolved: mm/compaction: handle freepagesprepare properly in compactionfree freepagesprepare can fail but compactionfree does not handle the failure case. Failed pages should not be added back to cc-freepages for future use, since they can...

CVE-2026-72027 mm/compaction: handle free_pages_prepare() properly in compaction_free()

In the Linux kernel, the following vulnerability has been resolved: mm/compaction: handle freepagesprepare properly in compactionfree freepagesprepare can fail but compactionfree does not handle the failure case. Failed pages should not be added back to cc-freepages for future use, since they can...

CVE-2026-72027: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: mm/compaction: handle freepagesprepare properly in compactionfree freepagesprepare can fail but compactionfree does not handle the failure case. Failed pages should not be added back to cc-freepages for future use, since they can...

CVE-2025-21815: Out-of-bounds Read

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 isolatefreepagesblock. The bogus compoundorder can be any value because it is union with flags. Add back...

Unbreakable Enterprise kernel-container security update

5.4.17-2136.318.7.1.el7 - KVM: arm64: Disabling disabled PMU counters wastes a lot of time Alexandre Chartre Orabug: 33312587 - KVM: arm64: Don't zero the cycle count register when PMCREL0.P is set Alexandru Elisei Orabug: 33312587 - KVM: arm64: pmu: Only handle supported event counters Eric Auge...

PT-2022-31815

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.10.121 Description The issue is related to the fast find migrateblock function in the mm, compaction module. It is mentioned that this function should return pfn in the target zone. The actual impact and attac...