MEDIUM
CVE-2020-36322
CWE-459Published: April 14, 2021· Updated: Jun 17, 2026
5.5
CVSS v3.1
Official Description
An issue was discovered in the FUSE filesystem implementation in the Linux kernel before 5.10.6, aka CID-5d069dbe8aaf. fuse_do_getattr() calls make_bad_inode() in inappropriate situations, causing a system crash. NOTE: the original fix for this vulnerability was incomplete, and its incompleteness is tracked as CVE-2021-28950.
Technical Analysis
CVE-2020-36322 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in availability disruption (denial of service), with a CVSS base score of 5.5.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Vendors & Products
Debian1 product(s)
debian linux
Linux1 product(s)
linux kernel
starwindsoftware1 product(s)
starwind virtual san
Source: NVD CPE · 4 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (12)
→
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.6Release Notes · Vendor Advisory
→
→
https://lists.debian.org/debian-lts-announce/2021/06/msg00020.htmlMailing List · Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2022/03/msg00012.htmlMailing List · Third Party Advisory
→
https://www.debian.org/security/2022/dsa-5096Third Party Advisory
→
https://www.starwindsoftware.com/security/sw-20220816-0001/Third Party Advisory
→
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.6Release Notes · Vendor Advisory
→
→
https://lists.debian.org/debian-lts-announce/2021/06/msg00020.htmlMailing List · Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2022/03/msg00012.htmlMailing List · Third Party Advisory
→
https://www.debian.org/security/2022/dsa-5096Third Party Advisory
→
https://www.starwindsoftware.com/security/sw-20220816-0001/Third Party Advisory
Quick Facts
CVE IDCVE-2020-36322
CVSS Score5.5 / 10
SeverityMEDIUM
WeaknessCWE-459
CISA KEVNo
Affected3 vendor(s)
PublishedApr 14, 2021
Related CVEs (CWE-459)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-36322 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.