scsi: sg: Allow waiting for commands to complete on removed device (Linux Linux)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.25 % · percentile 17 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Linux
- NVD status
- Modified
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.
References
- https://git.kernel.org/stable/c/bbc118acf7baf9e93c5e1314d14f481301af4d0f
- https://git.kernel.org/stable/c/f5e61d9b4a699dd16f32d5f39eb1cf98d84c92ed
- https://git.kernel.org/stable/c/ed9afd967cbfe7da2dc0d5e52c62a778dfe9f16b
- https://git.kernel.org/stable/c/f135c65085eed869d10e4e7923ce1015288618da
- https://git.kernel.org/stable/c/408bfa1489a3cfe7150b81ab0b0df99b23dd5411
- https://git.kernel.org/stable/c/8c004b7dbb340c1e5889f5fb9e5baa6f6e5303e8
- https://git.kernel.org/stable/c/35e60ec39e862159cb92923eefd5230d4a873cb9
- https://git.kernel.org/stable/c/03d8241112d5e3cccce1a01274a221099f07d2e1
- https://git.kernel.org/stable/c/3455607fd7be10b449f5135c00dc306b85dc0d21
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | Linux |
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | NVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary) |
| CVSS 3.1 | MEDIUM 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2022-55477
- GCVE · GCVE-0-2022-50215
CERT-FR advisories
- CERTFR-2026-AVI-0081 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2025-AVI-1009 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0649 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0607 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0587 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*< 4.9.326cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.10 < 4.14.291cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.15 < 4.19.256cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.20 < 5.4.211cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 5.5 < 5.10.137cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 5.11 < 5.15.61cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 5.16 < 5.18.18cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 5.19 < 5.19.2
Affected products
| Product | Versions |
|---|---|
| Linux · Linux | affected c6517b7942fad663cc1cf3235cbe4207cf769332 < bbc118acf7baf9e93c5e1314d14f481301af4d0f ; affected c6517b7942fad663cc1cf3235cbe4207cf769332 < f5e61d9b4a699dd16f32d5f39eb1cf98d84c92ed ; affected c6517b7942fad663cc1cf3235cbe4207cf769332 < ed9afd967cbfe7da2dc0d5e52c62a778dfe9f16b ; affected c6517b7942fad663cc1cf3235cbe4207cf769332 < f135c65085eed869d10e4e7923ce1015288618da ; affected c6517b7942fad663cc1cf3235cbe4207cf769332 < 408bfa1489a3cfe7150b81ab0b0df99b23dd5411 ; affected c6517b7942fad663cc1cf3235cbe4207cf769332 < 8c004b7dbb340c1e5889f5fb9e5baa6f6e5303e8 |
| Linux · Linux | affected 2.6.30 ; unaffected 0 < 2.6.30 ; unaffected 4.9.326 ≤ 4.9.* ; unaffected 4.14.291 ≤ 4.14.* ; unaffected 4.19.256 ≤ 4.19.* ; unaffected 5.4.211 ≤ 5.4.* |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |