CVE-2020-28374
Description
In drivers/target/target_core_xcopy.c in the Linux kernel before 5.10.7, insufficient identifier checking in the LIO SCSI target code can be used by remote attackers to read or write files via directory traversal in an XCOPY request, aka CID-2896c93811e3. For example, an attack can occur over a network if the attacker has access to one iSCSI LUN. The attacker gains control over file access because I/O operations are proxied via an attacker-selected backstore.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Arch Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Fixed | 5.10.7.zen1-1 |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 5.10.9-1 |
| sid | Fixed | 5.10.9-1 |
| forky | Fixed | 5.10.9-1 |
| bullseye | Fixed | 5.10.9-1 |
| bookworm | Fixed | 5.10.9-1 |
Red Hat Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| 8 | Fixed | — |
References
- https://security.archlinux.org/ASA-202101-31
- https://security.archlinux.org/ASA-202101-33
- https://security.archlinux.org/ASA-202101-30
- https://security.archlinux.org/ASA-202101-32
- https://www.suse.com/security/cve/CVE-2020-28374.html
- https://security-tracker.debian.org/tracker/CVE-2020-28374
- https://errata.almalinux.org/8/ALSA-2021-1093.html
- https://access.redhat.com/errata/RHSA-2021:1081
- https://access.redhat.com/errata/RHSA-2021:1093
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.