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Linux Kernel (NVIDIA Tegra) Vulnerabilities — Ubuntu Security Update (USN-9091-1)

USN-9091-1 updates Ubuntu 20.04, Ubuntu 22.04: It was discovered that some AMD processors did not properly perform Reverse Map Table (RMP) checks when the IOMMU accessed certain host buffers. Apply the update via standard apt tooling and reboot — kernel fixes need a reboot to take effect.

High
Ubuntu 20.04 Ubuntu 22.04

What this means under a SharedLicense license

The advisory's own severity data peaks at CVSS ; unpatched Ubuntu 20.04, Ubuntu 22.04 servers remain exposed until updated.

  • CVE-2026-99999
  • CVE-2026-99095
  • CVE-2026-99091
  • CVE-2026-99090
  • CVE-2026-99089
  • CVE-2026-99088
  • CVE-2026-99081
  • CVE-2026-99080
  • CVE-2026-99079
  • CVE-2026-99078
  • CVE-2026-99074
  • CVE-2026-99072
  • CVE-2026-99071
  • CVE-2026-99070
  • CVE-2026-99067
  • CVE-2026-99063
  • CVE-2026-99062
  • CVE-2026-99061
  • CVE-2026-99060
  • CVE-2026-99059
  • CVE-2026-99058
  • CVE-2026-99057
  • CVE-2026-99056
  • CVE-2026-99054
  • CVE-2026-99053
  • CVE-2026-99052
  • CVE-2026-99049
  • CVE-2026-99045
  • CVE-2026-99043
  • CVE-2026-99040
  • CVE-2026-99039
  • CVE-2026-99038
  • CVE-2026-99037
  • CVE-2026-99036
  • CVE-2026-99035
  • CVE-2026-99034
  • CVE-2026-99033
  • CVE-2026-99032
  • CVE-2026-99031
  • CVE-2026-99025
  • CVE-2026-99024
  • CVE-2026-99022
  • CVE-2026-99018
  • CVE-2026-99015
  • CVE-2026-99013
  • CVE-2026-99012
  • CVE-2026-99010
  • CVE-2026-99008
  • CVE-2026-99007
  • CVE-2026-99006
  • CVE-2026-99005
  • CVE-2026-99004
  • CVE-2026-98992
  • CVE-2026-98990
  • CVE-2026-98984
  • CVE-2026-98980
  • CVE-2026-98979
  • CVE-2026-98971
  • CVE-2026-98970
  • CVE-2026-98969
  • CVE-2026-98968
  • CVE-2026-98967
  • CVE-2026-98964
  • CVE-2026-98959
  • CVE-2026-98957
  • CVE-2026-98956
  • CVE-2026-98955
  • CVE-2026-98953
  • CVE-2026-98950
  • CVE-2026-98949
  • CVE-2026-98948
  • CVE-2026-98947
  • CVE-2026-98945
  • CVE-2026-98944
  • CVE-2026-98940
  • CVE-2026-98937
  • CVE-2026-98936
  • CVE-2026-98935
  • CVE-2026-98934
  • CVE-2026-98933
  • CVE-2026-98931
  • CVE-2026-98930
  • CVE-2026-98925
  • CVE-2026-98923
  • CVE-2026-98915
  • CVE-2026-98913
  • CVE-2026-98912
  • CVE-2026-98911
  • CVE-2026-98910
  • CVE-2026-98909
  • CVE-2026-98908
  • CVE-2026-98907
  • CVE-2026-98906
  • CVE-2026-98904
  • CVE-2026-98903
  • CVE-2026-98902
  • CVE-2026-98901
  • CVE-2026-98900
  • CVE-2026-98899
  • CVE-2026-98898
  • CVE-2026-98896
  • CVE-2026-98893
  • CVE-2026-98892
  • CVE-2026-98891
  • CVE-2026-98889
  • CVE-2026-98888
  • CVE-2026-98887
  • CVE-2026-98886
  • CVE-2026-98885
  • CVE-2026-98884
  • CVE-2026-98882
  • CVE-2026-98881
  • CVE-2026-98880
  • CVE-2026-98879
  • CVE-2026-98877
  • CVE-2026-98876
  • CVE-2026-98875
  • CVE-2026-98873
  • CVE-2026-98872
  • CVE-2026-98862
  • CVE-2026-98859
  • CVE-2026-98857
  • CVE-2026-98856
  • CVE-2026-98855
  • CVE-2026-98854
  • CVE-2026-98852
  • CVE-2026-98851

    • Frequently Asked Questions

    What does USN-9091-1 fix?
    It was discovered that some AMD processors did not properly perform Reverse Map Table (RMP) checks when the IOMMU accessed certain host buffers.
    Which Ubuntu releases are covered?
    Ubuntu 20.04, Ubuntu 22.04.
    How do I apply it?
    Standard package update (apt), then reboot.

    References

    Security Advisories

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