PT-2020-4972
CVE-2020-29371
·
Published
2020-08-21
·
Updated
2021-05-28
Description by
CVSS 3.1
3.3
LowMetricsAV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Name of the Vulnerable Software and Affected Versions
Linux kernel versions prior to 5.8.4
Description
An issue was discovered in the
romfs dev read function in fs/romfs/storage.c that is related to insufficient input validation, allowing an attacker to gain unauthorized access to protected information. This issue results in uninitialized memory leaks to userspace.Recommendations
For Linux kernel versions prior to 5.8.4, update to version 5.8.4 or later to resolve the issue.
As a temporary workaround, consider restricting access to the
romfs dev read function in fs/romfs/storage.c until a patch is available.Exploitability
Exploit
Fix
Impacts
Researchers
Vendors
Affected products
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