CVE-2020-29371
Vulnerability Summary
Timeline
Description
An issue was discovered in romfs_dev_read in fs/romfs/storage.c in the Linux kernel before 5.8.4. Uninitialized memory leaks to userspace, aka CID-bcf85fcedfdd.
CVSS Metrics
- v3.1•LOW•Score: 3.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- v2.0•LOW•Score: 2.1AV:L/AC:L/Au:N/C:P/I:N/A:N
EPSS Trends
Current EPSS score: 0.70%• Percentile: 52%
Techniques & Countermeasures
- CWE-908•Use of Uninitialized Resource
The product uses or accesses a resource that has not been initialized.
Affected Systems
- debian•linux
< 5.8.7-1 | < 5.8.7-1 | < 5.8.7-1 | < 5.8.7-1
- ubuntu•linux
all | < 4.4.0-193.224 | < 4.15.0-121.123 | < 5.4.0-51.56
- ubuntu•linux-aws
< 4.4.0-1081.85 | < 4.4.0-1117.131 | < 4.15.0-1086.91 | < 5.4.0-1028.29
- ubuntu•linux-aws-5.0
all
- ubuntu•linux-aws-5.3
all
- ubuntu•linux-aws-5.4
< 5.4.0-1028.29~18.04.1
- ubuntu•linux-aws-fips
< 4.15.0-2030.31 | all | < 5.4.0-1069.73+fips2
- ubuntu•linux-aws-hwe
< 4.15.0-1085.90~16.04.1
- ubuntu•linux-azure
< 4.15.0-1098.109~14.04.1 | < 4.15.0-1098.109~16.04.1 | all | < 5.4.0-1031.32
- ubuntu•linux-azure-4.15
< 4.15.0-1099.110
- ubuntu•linux-azure-5.3
all
- ubuntu•linux-azure-5.4
< 5.4.0-1031.32~18.04.1
- ubuntu•linux-azure-edge
all
- ubuntu•linux-azure-fips
< 4.15.0-2012.14 | all | < 5.4.0-1073.76+fips1
- ubuntu•linux-bluefield
all
- ubuntu•linux-fips
< 4.4.0-1048.53 | all | < 4.15.0-1044.50
- ubuntu•linux-gcp
< 4.15.0-1086.98~16.04.1 | all | < 5.4.0-1028.29
- ubuntu•linux-gcp-4.15
< 4.15.0-1086.98
- ubuntu•linux-gcp-5.3
all
- ubuntu•linux-gcp-5.4
< 5.4.0-1028.29~18.04.1
- ubuntu•linux-gcp-edge
all
- ubuntu•linux-gcp-fips
all | < 5.4.0-1067.71~20.04.1
- ubuntu•linux-gke-4.15
< 4.15.0-1072.76
- ubuntu•linux-gke-5.4
< 5.4.0-1027.28~18.04.1
- ubuntu•linux-gkeop-5.4
< 5.4.0-1003.3
- ubuntu•linux-hwe
< 4.15.0-120.122~16.04.1 | all
- ubuntu•linux-hwe-5.4
< 5.4.0-51.56~18.04.1
- ubuntu•linux-hwe-edge
all | all
- ubuntu•linux-intel-iot-realtime
all
- ubuntu•linux-kvm
< 4.4.0-1082.91 | < 4.15.0-1077.79 | < 5.4.0-1026.27
- ubuntu•linux-lts-xenial
< 4.4.0-193.224~14.04.1
- ubuntu•linux-oem
< 4.15.0-1099.109
- ubuntu•linux-oem-5.6
< 5.6.0-1048.52
- ubuntu•linux-oracle
< 4.15.0-1056.61~16.04.1 | < 4.15.0-1057.62 | < 5.4.0-1028.29
- ubuntu•linux-oracle-5.0
all
- ubuntu•linux-oracle-5.3
all
- ubuntu•linux-oracle-5.4
< 5.4.0-1028.29~18.04.1
- ubuntu•linux-raspi
< 5.4.0-1021.24
- ubuntu•linux-raspi-5.4
< 5.4.0-1021.24~18.04.1
- ubuntu•linux-raspi-realtime
all
- ubuntu•linux-raspi2
< 4.4.0-1141.151 | < 4.15.0-1073.78 | all
- ubuntu•linux-realtime
all
- ubuntu•linux-riscv
< 5.4.0-36.41
- ubuntu•linux-snapdragon
< 4.4.0-1145.155 | < 4.15.0-1089.98
- linux•linux_kernel
< 5.8.4
References (9)
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.4
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2935e0a3cec1ffa558eea90db6279cff83aa3592
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=bcf85fcedfdd17911982a3e3564fcfec7b01eebd
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2077
- https://ubuntu.com/security/CVE-2020-29371
- https://git.kernel.org/linus/bcf85fcedfdd17911982a3e3564fcfec7b01eebd
- https://ubuntu.com/security/notices/USN-4752-1
- https://www.cve.org/CVERecord?id=CVE-2020-29371
- https://security-tracker.debian.org/tracker/CVE-2020-29371