High 7.8Published Jun 18, 2025

CVE-2022-50215scsi: sg: Allow waiting for commands to complete on removed device

Updated under an hour ago (Oct 27, 2026, 9:40 AM ET)

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Exploited in the last 30 days

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.

CVSS: 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Modified
Record last updated: Oct 15, 2026
First seen by InfoSec Signals: Oct 15, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from c6517b7942fad663cc1cf3235cbe4207cf769332 before bbc118acf7baf9e93c5e1314d14f481301af4d0f; from c6517b7942fad663cc1cf3235cbe4207cf769332 before f5e61d9b4a699dd16f32d5f39eb1cf98d84c92ed; from c6517b7942fad663cc1cf3235cbe4207cf769332 before ed9afd967cbfe7da2dc0d5e52c62a778dfe9f16b; from c6517b7942fad663cc1cf3235cbe4207cf769332 before f135c65085eed869d10e4e7923ce1015288618da; from c6517b7942fad663cc1cf3235cbe4207cf769332 before 408bfa1489a3cfe7150b81ab0b0df99b23dd5411; from c6517b7942fad663cc1cf3235cbe4207cf769332 before 8c004b7dbb340c1e5889f5fb9e5baa6f6e5303e8; from c6517b7942fad663cc1cf3235cbe4207cf769332 before 35e60ec39e862159cb92923eefd5230d4a873cb9; from c6517b7942fad663cc1cf3235cbe4207cf769332 before 03d8241112d5e3cccce1a01274a221099f07d2e1; and 5 more ranges	CNA record
linux linux_kernel linux:linux_kernel	before 4.9.326; from 4.10 before 4.14.291; from 4.15 before 4.19.256; from 4.20 before 5.4.211; from 5.5 before 5.10.137; from 5.11 before 5.15.61; from 5.16 before 5.18.18; from 5.19 before 5.19.2	NVD

References

References

https://git.kernel.org/stable/c/bbc118acf7baf9e93c5e1314d14f481301af4d0f	patch
https://git.kernel.org/stable/c/f5e61d9b4a699dd16f32d5f39eb1cf98d84c92ed	patch
https://git.kernel.org/stable/c/ed9afd967cbfe7da2dc0d5e52c62a778dfe9f16b	patch
https://git.kernel.org/stable/c/f135c65085eed869d10e4e7923ce1015288618da	patch
https://git.kernel.org/stable/c/408bfa1489a3cfe7150b81ab0b0df99b23dd5411	patch
https://git.kernel.org/stable/c/8c004b7dbb340c1e5889f5fb9e5baa6f6e5303e8	patch
https://git.kernel.org/stable/c/35e60ec39e862159cb92923eefd5230d4a873cb9	patch
https://git.kernel.org/stable/c/03d8241112d5e3cccce1a01274a221099f07d2e1	patch
https://git.kernel.org/stable/c/3455607fd7be10b449f5135c00dc306b85dc0d21	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.