CVE-2022-33981

LOW
Published Jun 18, 20224y ago · Modified Jun 17, 20262w ago
3.3 CVSS 3.1
Low
Find Similar
Published Jun 18, 2022 4y ago
Last Modified Jun 17, 2026 2w ago

Description

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.

CVSS Details

Base Score
3.3
Exploitability
1.8
Impact
1.4
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability Low

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

Affected Products 3

VendorProductVersionRange
linuxlinux_kernel* <5.17.6
debiandebian_linux9.0any
debiandebian_linux10.0any

References 6

  • cdn.kernel.org https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.6
    Release NotesVendor Advisory
  • exchange.xforce.ibmcloud.com https://exchange.xforce.ibmcloud.com/vulnerabilities/225362
    Third Party AdvisoryVDB Entry
  • github.com https://github.com/torvalds/linux/commit/233087ca063686964a53c829d547c7571e3f67bf
    PatchThird Party Advisory
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html
    Mailing ListThird Party Advisory
  • seclists.org https://seclists.org/oss-sec/2022/q2/66
    ExploitMailing ListPatchThird Party Advisory
  • debian.org https://www.debian.org/security/2022/dsa-5173
    Third Party Advisory

Remediation

  • github.com https://github.com/torvalds/linux/commit/233087ca063686964a53c829d547c7571e3f67bf
    PatchThird Party Advisory
  • seclists.org https://seclists.org/oss-sec/2022/q2/66
    ExploitMailing ListPatchThird Party Advisory