CVE-2020-15436
MEDIUM
6.7
CVSS Score
Published: November 23, 2020 at 08:08 PM UTC
Updated: June 17, 2026 at 02:56 AM UTC
34 products affected across 3 vendorsLinux KernelCloud BackupH410C Firmware
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Severity
MEDIUM6.7
Exploit prediction
EPSS 0.9%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
All versions
2.6.38 ≤ v < 4.4.2294.10 ≤ v < 4.14.1864.15 ≤ v < 4.19.1304.20 ≤ v < 5.4.494.5 ≤ v < 4.9.2295.5 ≤ v < 5.7.65.7 (verified), possibly others 4.18
Affected range stops below 4.14.186, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.19.130, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.4.229, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.9.229, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.4.49, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.7.6, so it looks safe — our inference, not a vendor statement
Cloud Backup· NetAppdrupal
95%All versions
All versions
netapp-fabric-attached-storage-a400 (same device)
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
x_refsource_MISCExploitPatchVendor Advisory
Source: [email protected]
https://lkml.org/lkml/2020/6/7/379x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20201218-0002/CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- HIGH
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-416
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