CVE-2020-28588 - CVE House
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Status published Medium CVE-2020-28588

An information disclosure vulnerability exists in the /proc/pid/syscall functionality of...

Vulnerability Description

An information disclosure vulnerability exists in the /proc/pid/syscall functionality of Linux Kernel 5.1 Stable and 5.4.66. More specifically, this issue has been introduced in v5.1-rc4 (commit 631b7abacd02b88f4b0795c08b54ad4fc3e7c7c0) and is still present in v5.10-rc4, so it’s likely that all versions in between are affected. An attacker can read /proc/pid/syscall to trigger this vulnerability, which leads to the kernel leaking memory contents.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Linux Kernel
Vulnerable Versions:
Linux Kernel v5.10-rc4,Linux Kernel v5.4.66,Linux Kernel v5.9.8

Timeline

Official Publish: May 10th, 2021
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weaknesses (CWE)

CWE-681

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.