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CVE-2022-33981

Date: June 18, 2022

drivers/block/floppy.c in the Linux kernel before 5.17.6 is vulnerable to a denial of service, because of a concurrency use-after-free flaw after deallocating raw_cmd in the raw_cmd_ioctl function.

Severity Score

3.3

Related Resources (11)

Url: https://security-tracker.debian.org/tracker/CVE-2022-33981

Url: https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.6

Url: https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html

Url: https://exchange.xforce.ibmcloud.com/vulnerabilities/225362

Url: https://github.com/torvalds/linux/commit/233087ca063686964a53c829d547c7571e3f67bf

Url: https://www.debian.org/security/2022/dsa-5173

Url: https://access.redhat.com/security/cve/CVE-2022-33981

Url: https://nvd.nist.gov/vuln/detail/CVE-2022-33981

Url: https://seclists.org/oss-sec/2022/q2/66

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2022-33981

Url: https://www.mend.io/vulnerability-database/CVE-2022-33981

Severity Score

3.3

Weakness Type (CWE)

Use After Free

CWE-416

CVSS v3.1

Base Score:	3.3
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):	LOW

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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