LSN-0077-1

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Source
https://ubuntu.com/security/notices/LSN-0077-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/lsn/LSN-0077-1.json
JSON Data
https://api.osv.dev/v1/vulns/LSN-0077-1
Related
Published
2021-05-17T07:04:24Z
Modified
2021-05-17T07:04:24Z
Summary
Kernel Live Patch Security Notice
Details

Vincent Dehors discovered that the shiftfs file system in the Ubuntu Linux kernel did not properly handle faults in copyfromuser() when passing through ioctls to an underlying file system. A local attacker could use this to cause a denial of service (memory exhaustion) or execute arbitrary code.(CVE-2021-3492)

References

Affected packages

Ubuntu:Pro:18.04:LTS / linux-gke-5.4

Package

Name
linux-gke-5.4
Purl
pkg:deb/ubuntu/linux-gke-5.4@5.4.0-1042.44~18.04.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.4.0-1042.44~18.04.1

Affected versions

5.*

5.4.0-1025.25~18.04.1
5.4.0-1027.28~18.04.1
5.4.0-1029.31~18.04.1
5.4.0-1030.32~18.04.1
5.4.0-1032.34~18.04.1
5.4.0-1033.35~18.04.1
5.4.0-1035.37~18.04.1
5.4.0-1036.38~18.04.1
5.4.0-1037.39~18.04.1
5.4.0-1039.41~18.04.1
5.4.0-1040.42~18.04.1

Ecosystem specific 

{
    "availability": "Livepatch subscription required",
    "module_name_regex": "lkp_Ubuntu_5_4_0[_|\\d]+_gke_(\\d+)"
}

Ubuntu:Pro:20.04:LTS / linux

Package

Name
linux
Purl
pkg:deb/ubuntu/linux@5.4.0-72.80?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.4.0-72.80

Affected versions

5.*

5.3.0-18.19
5.3.0-24.26
5.4.0-9.12
5.4.0-18.22
5.4.0-21.25
5.4.0-24.28
5.4.0-25.29
5.4.0-26.30
5.4.0-28.32
5.4.0-29.33
5.4.0-31.35
5.4.0-33.37
5.4.0-37.41
5.4.0-39.43
5.4.0-40.44
5.4.0-42.46
5.4.0-45.49
5.4.0-47.51
5.4.0-48.52
5.4.0-51.56
5.4.0-52.57
5.4.0-53.59
5.4.0-54.60
5.4.0-56.62
5.4.0-58.64
5.4.0-59.65
5.4.0-60.67
5.4.0-62.70
5.4.0-64.72
5.4.0-65.73
5.4.0-66.74
5.4.0-67.75
5.4.0-70.78
5.4.0-71.79

Ecosystem specific 

{
    "availability": "Livepatch subscription required",
    "module_name_regex": "lkp_Ubuntu_5_4_0[_|\\d]+_(?:generic|lowlatency)_(\\d+)"
}