CVEvulnerability

CVE-2020-28588

5.5 MEDIUM Published 2021-05-10 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-05-10
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS 3.0 ([email protected])
4.0 MEDIUM — CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS 2.0 ([email protected])
2.1 LOW — AV:L/AC:L/Au:N/C:P/I:N/A:N
Weaknesses
CWE-681

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.

Affected configurations

• linux linux kernel 5.4.66 • linux linux kernel 5.9.8 • linux linux kernel 5.10

Related

Weakness · CWE (1)

  • CWE-681 Incorrect Conversion between Numeric Types weakness

References