CVE-2020-9383
HIGHCVSS 7.1/10EPSS 0.73%
Last modified
CVE-2020-9383 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. An issue was discovered in the Linux kernel 3.16 through 5.5.6. set_fdc in drivers/block/floppy.c leads to a wait_til_ready out-of-bounds read because the FDC index is not checked for errors before assigning it, aka CID-2e90ca68b0d2.. EPSS estimates a 0.73% chance of exploitation in the next 30 days.
Description
An issue was discovered in the Linux kernel 3.16 through 5.5.6. set_fdc in drivers/block/floppy.c leads to a wait_til_ready out-of-bounds read because the FDC index is not checked for errors before assigning it, aka CID-2e90ca68b0d2.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 3.16, <= 5.5.6 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
| Opensuse | Leap | 15.1 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 18.04 |
| Canonical | Ubuntu Linux | 19.10 |
| Netapp | Active Iq Unified Manager | All versions |
| Netapp | Cloud Backup | All versions |
| Netapp | Data Availability Services | All versions |
| Netapp | Hci Management Node | All versions |
| Netapp | Solidfire | All versions |
| Netapp | Steelstore Cloud Integrated Storage | All versions |
| Netapp | Solidfire Baseboard Management Controller Firmware | All versions |
| Netapp | H410c Firmware | All versions |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00039.htmlMailing List, Third Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=2f9ac30a54dc0181ddac3705cdcf4775d863c530Mailing List, Patch, Vendor Advisory
- https://github.com/torvalds/linux/commit/2e90ca68b0d2f5548804f22f0dd61145516171e3Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00011.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00012.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00013.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20200313-0003/Third Party Advisory
- https://usn.ubuntu.com/4342-1/Third Party Advisory
- https://usn.ubuntu.com/4344-1/Third Party Advisory
- https://usn.ubuntu.com/4345-1/Third Party Advisory
- https://usn.ubuntu.com/4346-1/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4698Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00039.htmlMailing List, Third Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=2f9ac30a54dc0181ddac3705cdcf4775d863c530Mailing List, Patch, Vendor Advisory
- https://github.com/torvalds/linux/commit/2e90ca68b0d2f5548804f22f0dd61145516171e3Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00011.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00012.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00013.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20200313-0003/Third Party Advisory
- https://usn.ubuntu.com/4342-1/Third Party Advisory
- https://usn.ubuntu.com/4344-1/Third Party Advisory
- https://usn.ubuntu.com/4345-1/Third Party Advisory
- https://usn.ubuntu.com/4346-1/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4698Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-9383?
An issue was discovered in the Linux kernel 3.16 through 5.5.6. set_fdc in drivers/block/floppy.c leads to a wait_til_ready out-of-bounds read because the FDC index is not checked for errors before assigning it, aka CID-2e90ca68b0d2.
How severe is CVE-2020-9383?
CVE-2020-9383 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 0.73% probability of exploitation in the next 30 days.
How do I fix CVE-2020-9383?
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-2020-9383?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST