UBUNTU-CVE-2021-3347
Dashboard / Vulnerabilities / UBUNTU-CVE-2021-3347
UBUNTU-CVE-2021-3347
Published: 29 Jan 2021Last Modified: 9 Sept 2026
Upstream:
Aliases:
Summary:
Details: An issue was discovered in the Linux kernel through 5.10.11. PI futexes have a kernel stack use-after-free during fault handling, allowing local users to execute code in the kernel, aka CID-34b1a1ce1458.
References: https://ubuntu.com/security/CVE-2021-3347, https://www.openwall.com/lists/oss-security/2021/01/29/1, https://ubuntu.com/security/notices/USN-4878-1, https://ubuntu.com/security/notices/USN-4884-1, https://ubuntu.com/security/notices/USN-4907-1, https://ubuntu.com/security/notices/USN-4910-1, https://www.cve.org/CVERecord?id=CVE-2021-3347
Affected packages
Package
Name: linux-aws
Purl: pkg:deb/ubuntu/linux-aws?arch=source&distro=trusty%2Fesm
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -4.4.0-1090.94
Affected versions
4.4.0-1002.2
4.4.0-1003.3
4.4.0-1005.5
4.4.0-1006.6
4.4.0-1009.9
4.4.0-1010.10
4.4.0-1011.11
4.4.0-1012.12
4.4.0-1014.14
4.4.0-1016.16
4.4.0-1017.17
4.4.0-1019.19
4.4.0-1022.22
4.4.0-1023.23
4.4.0-1024.25
4.4.0-1025.26
4.4.0-1027.30
4.4.0-1028.31
4.4.0-1029.32
4.4.0-1031.34
4.4.0-1032.35
4.4.0-1034.37
4.4.0-1036.39
4.4.0-1037.40
4.4.0-1038.41
4.4.0-1039.42
4.4.0-1040.43
4.4.0-1042.45
4.4.0-1044.47
4.4.0-1045.48
4.4.0-1046.50
4.4.0-1048.52
4.4.0-1050.54
4.4.0-1052.56
4.4.0-1054.58
4.4.0-1055.59
4.4.0-1056.60
4.4.0-1058.62
4.4.0-1059.63
4.4.0-1060.64
4.4.0-1061.65
4.4.0-1062.66
4.4.0-1064.68
4.4.0-1065.69
4.4.0-1066.70
4.4.0-1067.71
4.4.0-1073.77
4.4.0-1074.78
4.4.0-1075.79
4.4.0-1076.80
4.4.0-1077.81
4.4.0-1078.82
4.4.0-1081.85
4.4.0-1082.86
4.4.0-1083.87
4.4.0-1085.89
4.4.0-1086.90
4.4.0-1087.91
4.4.0-1088.92
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
