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CVE-2021-28950

Good to know:

Date: March 20, 2021

An issue was discovered in fs/fuse/fuse_i.h in the Linux kernel before 5.11.8. A "stall on CPU" can occur because a retry loop continually finds the same bad inode, aka CID-775c5033a0d1.

Language: C

Severity Score

5.5

Related Resources (14)

Url: https://security-tracker.debian.org/tracker/CVE-2021-28950

Url: https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.8

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2021-28950

Url: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=775c5033a0d164622d9d10dd0f0a5531639ed3ed

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FB6LUXPEIRLZH32YXWZVEZAD4ZL6SDK2/

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FB6LUXPEIRLZH32YXWZVEZAD4ZL6SDK2/

Url: https://access.redhat.com/security/cve/CVE-2021-28950

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QRTPQE73ANG7D6M4L4PK5ZQDPO4Y2FVD/

Url: https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html

Url: https://nvd.nist.gov/vuln/detail/CVE-2021-28950

Url: https://www.debian.org/security/2022/dsa-5096

Url: https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QRTPQE73ANG7D6M4L4PK5ZQDPO4Y2FVD/

Url: https://www.mend.io/vulnerability-database/CVE-2021-28950

Severity Score

5.5

Weakness Type (CWE)

Excessive Iteration

CWE-834

Top Fix

Upgrade Version

Upgrade to version v5.10-rc2

CVSS v3.1

Base Score:	5.5
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:	2.1
Access Vector (AV):	LOCAL
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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