CVE-2020-28374

HIGH

Linux Kernel < 5.10.7 - Path Traversal via XCOPY Request

Title source: llm
STIX 2.1

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.

References (15)

Core 15
Core References
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://bugzilla.suse.com/show_bug.cgi?id=1178372
Release Notes, Vendor Advisory x_refsource_confirm
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.7
Issue Tracking, Third Party Advisory x_refsource_misc
https://bugzilla.suse.com/attachment.cgi?id=844938
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2021/01/13/2
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2021/01/13/5
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2021/dsa-4843
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20210219-0002/
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html

Scores

CVSS v3 8.1
EPSS 0.0656
EPSS Percentile 93.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Details

CWE
CWE-22
Status published
Products (5)
debian/debian_linux 9.0
debian/debian_linux 10.0
fedoraproject/fedora 32
fedoraproject/fedora 33
linux/linux_kernel < 5.10.7
Published Jan 13, 2021
Tracked Since Feb 18, 2026