Vulnetix
Try Vulnetix Request Demo
CVE-2020-29534 PUBLISHED

An issue was discovered in the Linux kernel before 5.9.3. io_uring takes a non-refcounted reference to the files_struct of the process that submitted a request, causing execve() to incorrectly optimize unshare_fd(), aka CID-0f2122045b94.

EPSS 0.04% · 12.2th percentile

Risk Scores

EPSS Score
0.04%
12.2th percentile

Affected Products

VendorProductVersions
Ubuntu:18.04:LTSlinux-azure-5.35.3.0-1019.20~18.04.1, 5.3.0-1020.21~18.04.1, 5.3.0-1022.23~18.04.1
Ubuntu:18.04:LTSlinux-oracle-5.05.0.0-1013.18, 5.0.0-1014.19, 0
Ubuntu:18.04:LTSlinux-oracle-5.35.3.0-1024.26~18.04.1, 5.3.0-1027.29~18.04.1, 5.3.0-1028.30~18.04.1
Ubuntu:18.04:LTSlinux-azure5.0.0-1031.33, 4.18.0-1023.24~18.04.1, 4.18.0-1024.25~18.04.1
Ubuntu:18.04:LTSlinux-azure-edge4.18.0-1008.8~18.04.1, 5.0.0-1012.12~18.04.2, 4.18.0-1007.7~18.04.1
Ubuntu:18.04:LTSlinux-aws-5.35.3.0-1035.37, 5.3.0-1017.18~18.04.1, 5.3.0-1023.25~18.04.1
Ubuntu:18.04:LTSlinux-oem4.15.0-1038.43, 4.15.0-1043.48, 4.15.0-1045.50
Ubuntu:16.04:LTSlinux-hwe-edge4.10.0-21.23~16.04.1, 4.10.0-20.22~16.04.1, 4.8.0-32.34~16.04.1
Ubuntu:18.04:LTSlinux-gcp4.15.0-1023.24, 4.15.0-1021.22, 4.15.0-1019.20
Ubuntu:20.04:LTSlinux-raspi25.4.0-1006.6, 0, 5.3.0-1007.8
Ubuntu:18.04:LTSlinux-aws-5.05.0.0-1025.28, 5.0.0-1024.27~18.04.1, 5.0.0-1023.26~18.04.1
Ubuntu:18.04:LTSlinux-gcp-5.30, 5.3.0-1032.34~18.04.1, 5.3.0-1030.32~18.04.1
Ubuntu:18.04:LTSlinux-gcp-edge5.0.0-1011.11~18.04.1, 4.18.0-1015.16~18.04.1, 4.18.0-1013.14~18.04.1
Ubuntu:18.04:LTSlinux-hwe-edge5.0.0-17.18~18.04.1, 0, 5.0.0-15.16~18.04.1
Ubuntu:20.04:LTSlinux-oem-5.65.6.0-1056.60, 5.6.0-1055.59, 5.6.0-1054.58
Ubuntu:18.04:LTSlinux-hwe5.0.0-25.26~18.04.1, 5.0.0-23.24~18.04.1, 4.18.0-25.26~18.04.1
Ubuntu:20.04:LTSlinux-hwe-5.85.8.0-33.36~20.04.1, 5.8.0-31.33~20.04.1, 5.8.0-29.31~20.04.1
Ubuntu:20.04:LTSlinux-riscv0, 5.4.0-24.28, 5.4.0-26.30

Timeline

References

Open in Interactive Console →