arm64: errata: Mitigate TLBI errata on various Arm CPUs

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Summary

CVECVE-2026-53354
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-01 14:16:43 UTC
Updated2026-07-01 14:16:43 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.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 925058203229403008d77a52b1e63e2ae5f4a3cf git Not specified
CNA Linux Linux affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 8364384ae82fbffdf8968abaac3455ed854da18d git Not specified
CNA Linux Linux affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 7c3ad9365079e716b57d2363d3081ee7680cc18e git Not specified
CNA Linux Linux affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 e717a4d08779f1a28d6e0275e75040b12c33c753 git Not specified
CNA Linux Linux affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 4e7c80742e6dada9f8b9ad63f3a49c03af07ecb8 git Not specified
CNA Linux Linux affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 d4fd4282204044fdedd1e42abbe70a9206f74ec0 git Not specified
CNA Linux Linux affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 1b47b1e1d8675fdf5f6e11e7fa19c704d8c6f5cd git Not specified
CNA Linux Linux affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 1268c64e2bcb6e968152990e87bd10c440fcc9c0 git Not specified
CNA Linux Linux affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 cfd391e74134db664feb499d43af286380b10ba8 git Not specified
CNA Linux Linux affected 5.10.259 semver Not specified
CNA Linux Linux affected 5.15.210 semver Not specified
CNA Linux Linux affected 6.1.176 semver Not specified
CNA Linux Linux affected 6.6.143 semver Not specified
CNA Linux Linux affected 6.12.94 semver Not specified
CNA Linux Linux affected 6.18.36 semver Not specified
CNA Linux Linux affected 7.0.13 semver Not specified
CNA Linux Linux affected 7.1.1 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
git.kernel.org/stable/c/925058203229403008d77a52b1e63e2ae5f4a3cf 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/8364384ae82fbffdf8968abaac3455ed854da18d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/1268c64e2bcb6e968152990e87bd10c440fcc9c0 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/e717a4d08779f1a28d6e0275e75040b12c33c753 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/7c3ad9365079e716b57d2363d3081ee7680cc18e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/d4fd4282204044fdedd1e42abbe70a9206f74ec0 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/cfd391e74134db664feb499d43af286380b10ba8 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/1b47b1e1d8675fdf5f6e11e7fa19c704d8c6f5cd 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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