CVE-2020-15436
CVE-2020-15436 is a medium-severity vulnerability in Netapp Cloud Backup with a CVSS 3.x base score of 6.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-416.
Key facts
- Severity: Medium (CVSS 3.x base score 6.7)
- CVSS v2: 7.2
- EPSS exploit prediction: 1% (56th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-416
- Affected product: Netapp Cloud Backup
- Published:
- Last modified:
Description
Use-after-free vulnerability in fs/block_dev.c in the Linux kernel before 5.8 allows local users to gain privileges or cause a denial of service by leveraging improper access to a certain error field.
Frequently asked questions
- What is CVE-2020-15436?
- Use-after-free vulnerability in fs/block_dev.c in the Linux kernel before 5.8 allows local users to gain privileges or cause a denial of service by leveraging improper access to a certain error field.
- How severe is CVE-2020-15436?
- CVE-2020-15436 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-15436 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-15436?
- CVE-2020-15436 primarily affects Netapp Cloud Backup. In total, 19 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2020-15436?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-15436 published?
- CVE-2020-15436 was published on 2020-11-23 and last updated on 2026-06-17.
References
Affected products (19)
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:broadcom:brocade_fabric_operating_system_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:solidfire_baseboard_management_controller_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h610c_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h610s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h615c_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:a700s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:aff_8700_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:fas_8700_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:aff_8300_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:fas_8300_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:aff_a400_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:fabric-attached_storage_a400_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:a250_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:aff_500f_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:fas_500f_firmware:-:*:*:*:*:*:*:*
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Other CWE-416 (Use After Free) vulnerabilities
- CVE-2026-13782 — Critical (CVSS 10.0): Use after free in Browser in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the…
- CVE-2026-4725 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149…
- CVE-2026-4688 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox…
- CVE-2025-24085 — Critical (CVSS 10.0): A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.3 and iPadOS 18.3,…
- CVE-2024-43102 — Critical (CVSS 10.0): Concurrent removals of certain anonymous shared memory mappings by using the UMTX_SHM_DESTROY sub-request of…
- CVE-2021-32495 — Critical (CVSS 10.0): Radare2 has a use-after-free vulnerability in pyc parser's get_none_object function. Attacker can read freed memory…