PT-2020-6964 · Linux+1 · Linux Kernel+1

Published 2020-02-27 · Updated 2025-07-11 · CVE-2020-36775

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description The issue is related to a potential deadlock in the f2fs write compressed pages() function of the Linux kernel's f2fs file system. This is due to incorrect resource handling. Exploitation of this issue could allow an attacker to cause a denial of service.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Locking

Weakness Enumeration

CWE-833

CWE-667

Related Identifiers

BDU:2024-01730

CVE-2020-36775

Affected Products

Astra Linux

Linux Kernel

References · 24

• https://git.kernel.org/stable/c/0478ccdc8ea016de1ebaf6fe6da0275c2b258c5b · Patch
• https://git.kernel.org/stable/c/8e8542437bb4070423c9754d5ba270ffdbae8c8d · Patch
• https://ubuntu.com/security/CVE-2020-36775 · Vendor Advisory
• https://git.kernel.org/stable/c/df77fbd8c5b222c680444801ffd20e8bbc90a56e · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2020-36775 · Security Note
• https://cve.org/CVERecord?id=CVE-2020-36775 · Security Note
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2024-0416SE47 · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-01730 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-36775 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-36775 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-36775 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se16-bulletin-20241017SE16 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2020-36775 · Vendor Advisory
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-36775 · Note
• https://twitter.com/CVEnew/status/1762167503944618220 · Twitter Post