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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2022-50215 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: sg: Allow waiting for commands to complete on removed device When a SCSI device is removed while in active use, currently sg will immediately return -ENODEV on any attempt to wait for active commands that were sent before the removal. This is problematic for commands that use SG_FLAG_DIRECT_IO since the data buffer may still be in use by the kernel when userspace frees or reuses it after getting ENODEV, leading to corrupted userspace memory (in the case of READ-type commands) or corrupted data being sent to the device (in the case of WRITE-type commands). This has been seen in practice when logging out of a iscsi_tcp session, where the iSCSI driver may still be processing commands after the device has been marked for removal. Change the policy to allow userspace to wait for active sg commands even when the device is being removed. Return -ENODEV only when there are no more responses to read.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://git.kernel.org/stable/c/03d8241112d5e3cccce1a01274a221099f07d2e1 kernel.org Patch 
https://git.kernel.org/stable/c/3455607fd7be10b449f5135c00dc306b85dc0d21 kernel.org Patch 
https://git.kernel.org/stable/c/35e60ec39e862159cb92923eefd5230d4a873cb9 kernel.org Patch 
https://git.kernel.org/stable/c/408bfa1489a3cfe7150b81ab0b0df99b23dd5411 kernel.org Patch 
https://git.kernel.org/stable/c/8c004b7dbb340c1e5889f5fb9e5baa6f6e5303e8 kernel.org Patch 
https://git.kernel.org/stable/c/bbc118acf7baf9e93c5e1314d14f481301af4d0f kernel.org Patch 
https://git.kernel.org/stable/c/ed9afd967cbfe7da2dc0d5e52c62a778dfe9f16b kernel.org Patch 
https://git.kernel.org/stable/c/f135c65085eed869d10e4e7923ce1015288618da kernel.org Patch 
https://git.kernel.org/stable/c/f5e61d9b4a699dd16f32d5f39eb1cf98d84c92ed kernel.org Patch 

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-noinfo Insufficient Information cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2022-50215
NVD Published Date:
06/18/2025
NVD Last Modified:
11/19/2025
Source:
kernel.org