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CVE-2020-36322

Date: April 13, 2021

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.

Language: C

Severity Score

Related Resources (11)

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5d069dbe8aaf2a197142558b6fb2978189ba3454
https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.6
https://www.debian.org/security/2022/dsa-5096
https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
https://access.redhat.com/security/cve/CVE-2020-36322
https://security-tracker.debian.org/tracker/CVE-2020-36322
https://www.starwindsoftware.com/security/sw-20220816-0001/
https://nvd.nist.gov/vuln/detail/CVE-2020-36322
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-36322
https://www.mend.io/vulnerability-database/CVE-2020-36322

Severity Score

Weakness Type (CWE)

Incomplete Cleanup

CWE-459

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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