PT-2026-54822 · Linux · Linux Kernel
CVE-2026-53354
·
Published
2026-07-01
·
Updated
2026-09-07
CVSS v3.1
8.8
High
| Vector | AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
Certain Arm CPUs experience an issue where a broadcast TLBI;DSB sequence may complete before memory writes translated by an affected TLB entry are globally observed. This affects the completion of memory accesses translated by an invalidated TLB entry, though it does not prevent the actual invalidation of TLB entries.
Recommendations
Enable the
ARM64 WORKAROUND REPEAT TLBI workaround for affected CPUs.
Follow any affected TLBI;DSB sequence with an additional TLBI;DSB to ensure all memory write effects are globally observed.Exploit
Fix
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Related Identifiers
Affected Products
Linux Kernel