CVE-2022-33981
LOWCVSS 3.3/10EPSS 0.55%
Last modified
CVE-2022-33981 is a low-severity vulnerability rated 3.3/10 on the CVSS scale. 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.. EPSS estimates a 0.55% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 5.17.6 |
| Debian | Debian Linux | 9.0 |
| Debian | Debian Linux | 10.0 |
References
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.6Release Notes, Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/225362Third Party Advisory, VDB Entry
- https://github.com/torvalds/linux/commit/233087ca063686964a53c829d547c7571e3f67bfPatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/07/msg00000.htmlMailing List, Third Party Advisory
- https://seclists.org/oss-sec/2022/q2/66Exploit, Mailing List, Patch, Third Party Advisory
- https://www.debian.org/security/2022/dsa-5173Third Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.6Release Notes, Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/225362Third Party Advisory, VDB Entry
- https://github.com/torvalds/linux/commit/233087ca063686964a53c829d547c7571e3f67bfPatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/07/msg00000.htmlMailing List, Third Party Advisory
- https://seclists.org/oss-sec/2022/q2/66Exploit, Mailing List, Patch, Third Party Advisory
- https://www.debian.org/security/2022/dsa-5173Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-33981?
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.
How severe is CVE-2022-33981?
CVE-2022-33981 has a CVSS score of 3.3/10 (LOW severity). The EPSS model estimates a 0.55% probability of exploitation in the next 30 days.
How do I fix CVE-2022-33981?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2022-33981?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST