Memory leak in Linux kernel - CVE-2020-29371
Published: November 28, 2020 / Updated: December 2, 2020
Vulnerability identifier: #VU90488
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-29371
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to memory leak within the romfs_dev_read() function in fs/romfs/storage.c. A local user can gain access to sensitive information.
Remediation
Install update from vendor's website.
External links
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2077
- 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