CVE-2020-27784 PUBLISHED

A vulnerability was found in the Linux kernel, where accessing a deallocated instance in printer_ioctl() printer_ioctl() tries to access of a printer_dev instance. However, use-after-free arises because it had been freed by gprinter_free().

EPSS 0.08% · 23.0th percentile

Risk Scores

EPSS Score
0.08%
23.0th percentile

Affected Products

VendorProductVersions
Ubuntu:18.04:LTSlinux-oracle-5.05.0.0-1009.14~18.04.1, 0, 5.0.0-1007.12~18.04.1
Ubuntu:18.04:LTSlinux-gcp-4.154.15.0-1090.103, 4.15.0-1088.101, 4.15.0-1087.100
Ubuntu:20.04:LTSlinux-riscv5.4.0-31.35, 5.4.0-39.44, 5.4.0-40.45
Ubuntu:Pro:FIPS:18.04:LTSlinux-aws-fips4.15.0-2000.4, 0
Ubuntu:20.04:LTSlinux-gcp-5.115.11.0-1020.22~20.04.1, 0, 5.11.0-1009.10~20.04.1
Ubuntu:20.04:LTSlinux-hwe-5.135.13.0-28.31~20.04.1, 5.13.0-30.33~20.04.1, 5.13.0-35.40~20.04.1
Ubuntu:18.04:LTSlinux-aws-5.35.3.0-1033.35, 5.3.0-1032.34~18.04.2, 5.3.0-1030.32~18.04.1
Ubuntu:20.04:LTSlinux-gcp-5.135.13.0-1019.23~20.04.1, 5.13.0-1015.18~20.04.1, 5.13.0-1013.16~20.04.1
Ubuntu:16.04:LTSlinux-hwe4.13.0-39.44~16.04.1, 4.8.0-51.54~16.04.1, 4.8.0-49.52~16.04.1
Ubuntu:20.04:LTSlinux-oracle-5.135.13.0-1028.33~20.04.1, 5.13.0-1015.19~20.04.1, 5.13.0-1016.20~20.04.1
Ubuntu:20.04:LTSlinux-aws-5.85.8.0-1042.44~20.04.1, 5.8.0-1041.43~20.04.1, 5.8.0-1038.40~20.04.1
Ubuntu:18.04:LTSlinux-raspi24.15.0-1011.12, 4.15.0-1012.13, 4.15.0-1013.14
Ubuntu:24.04:LTSlinux-raspi-realtime0, 6.8.0-2019.20
Ubuntu:18.04:LTSlinux-azure-4.154.15.0-1089.99, 4.15.0-1091.101, 4.15.0-1092.102
Ubuntu:20.04:LTSlinux-oem-5.65.6.0-1007.7, 5.6.0-1056.60, 5.6.0-1055.59
Ubuntu:20.04:LTSlinux-azure-5.85.8.0-1040.43~20.04.1, 5.8.0-1041.44~20.04.1, 5.8.0-1042.45~20.04.1
Ubuntu:20.04:LTSlinux-oracle5.4.0-1022.22, 5.4.0-1005.5, 5.4.0-1007.7
Ubuntu:Pro:FIPS:20.04:LTSlinux-azure-fips0, 5.4.0-1022.22+fips1
Ubuntu:20.04:LTSlinux-raspi25.4.0-1006.6, 0, 5.3.0-1007.8
Ubuntu:18.04:LTSlinux-oracle-5.30, 5.3.0-1011.12~18.04.1, 5.3.0-1027.29~18.04.1

…and 69 more

Timeline

References

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