arm64: errata: Mitigate TLBI errata on various Arm CPUs

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-53354
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-01 14:16:43 UTC
Updated2026-07-22 19:14:41 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: arm64: errata: Mitigate TLBI errata on various Arm CPUs A number of CPUs developed by Arm suffer from errata whereby a broadcast TLBI;DSB sequence may complete before the global observation of writes which are translated by an affected TLB entry. These errata ONLY affect the completion of memory accesses which have been translated by an invalidated TLB entry, and these errata DO NOT affect the actual invalidation of TLB entries. TLB entries are removed correctly. This issue has been assigned CVE ID CVE-2025-10263. To mitigate this issue, Arm recommends that software follows any affected TLBI;DSB sequence with an additional TLBI;DSB, which will ensure that all memory write effects affected by the first TLBI have been globally observed. The additional TLBI can use any operation that is broadcast to affected CPUs, and the additional DSB can use any option that is sufficient to complete the additional TLBI. The ARM64_WORKAROUND_REPEAT_TLBI workaround is sufficient to mitigate the issue. Enable this workaround for affected CPUs, and update the silicon errata documentation accordingly. Note that due to the manner in which Arm develops IP and tracks errata, some CPUs share a common erratum number.

Risk And Classification

Primary CVSS: v3.1 8.8 HIGH from 416baaa9-dc9f-4396-8d5f-8c081fb06d67

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS: 0.001250000 probability, percentile 0.026140000 (date 2026-07-20)

Problem Types: NVD-CWE-noinfo

VersionSourceTypeScoreSeverityVector
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary8.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
3.1CNADECLARED8.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 58d0ba578bc3b7c044d4ef570307bcb03862cb66 925058203229403008d77a52b1e63e2ae5f4a3cf git Not specified
CNA Linux Linux affected 58d0ba578bc3b7c044d4ef570307bcb03862cb66 8364384ae82fbffdf8968abaac3455ed854da18d git Not specified
CNA Linux Linux affected 58d0ba578bc3b7c044d4ef570307bcb03862cb66 7c3ad9365079e716b57d2363d3081ee7680cc18e git Not specified
CNA Linux Linux affected 58d0ba578bc3b7c044d4ef570307bcb03862cb66 e717a4d08779f1a28d6e0275e75040b12c33c753 git Not specified
CNA Linux Linux affected 58d0ba578bc3b7c044d4ef570307bcb03862cb66 4e7c80742e6dada9f8b9ad63f3a49c03af07ecb8 git Not specified
CNA Linux Linux affected 58d0ba578bc3b7c044d4ef570307bcb03862cb66 d4fd4282204044fdedd1e42abbe70a9206f74ec0 git Not specified
CNA Linux Linux affected 58d0ba578bc3b7c044d4ef570307bcb03862cb66 1b47b1e1d8675fdf5f6e11e7fa19c704d8c6f5cd git Not specified
CNA Linux Linux affected 58d0ba578bc3b7c044d4ef570307bcb03862cb66 1268c64e2bcb6e968152990e87bd10c440fcc9c0 git Not specified
CNA Linux Linux affected 58d0ba578bc3b7c044d4ef570307bcb03862cb66 cfd391e74134db664feb499d43af286380b10ba8 git Not specified
CNA Linux Linux affected 3.7 Not specified
CNA Linux Linux unaffected 3.7 semver Not specified
CNA Linux Linux unaffected 5.10.259 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.210 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.176 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.143 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.94 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.36 6.18.* semver Not specified
CNA Linux Linux unaffected 7.0.13 7.0.* semver Not specified
CNA Linux Linux unaffected 7.1.1 7.1.* semver Not specified
CNA Linux Linux unaffected 7.2-rc1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/4e7c80742e6dada9f8b9ad63f3a49c03af07ecb8 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/925058203229403008d77a52b1e63e2ae5f4a3cf 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/8364384ae82fbffdf8968abaac3455ed854da18d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/1268c64e2bcb6e968152990e87bd10c440fcc9c0 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/e717a4d08779f1a28d6e0275e75040b12c33c753 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/7c3ad9365079e716b57d2363d3081ee7680cc18e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/d4fd4282204044fdedd1e42abbe70a9206f74ec0 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/cfd391e74134db664feb499d43af286380b10ba8 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/1b47b1e1d8675fdf5f6e11e7fa19c704d8c6f5cd 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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