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kernel: SCSI target (LIO) write to any block on ILO backstore

🗓️ 25 May 2021 16:00:47Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 4 Views

Authenticated attacker can write to any block on the exported SCSI device backing store via the Linux kernel target, risking data integrity; affects tcmu runner.

Related
Packages
Refs
ReporterTitlePublishedViews
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IBM Security Bulletins		Security Bulletin: IBM Security Guardium is affected by a kernel vulnerability (CVE-2020-25705, CVE-2020-28374)
4 Nov 202115:59
–ibm
IBM Security Bulletins		Security Bulletin: Vulnerabilities in the Linux Kernel, Docker, Python, and NGINX affect IBM Spectrum Protect Plus
10 Dec 202118:57
–ibm
IBM Security Bulletins		Security Bulletin: IBM Data Risk Manager is affected by multiple vulnerabilities
5 May 202105:44
–ibm
Tenable Nessus		Amazon Linux 2 : kernel (ALAS-2021-1600)
19 Feb 202100:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel (ALASKERNEL-5.4-2022-019)
2 May 202200:00
–nessus
Tenable Nessus		Amazon Linux AMI : kernel (ALAS-2021-1480)
18 Feb 202100:00
–nessus
Tenable Nessus		AlmaLinux 8 : kernel (ALSA-2021:1093)
9 Feb 202200:00
–nessus
Tenable Nessus		CentOS 8 : kernel (CESA-2021:1093)
9 Apr 202100:00
–nessus
Tenable Nessus		CentOS 7 : kernel (RHSA-2021:0856)
18 Mar 202100:00
–nessus
Tenable Nessus		CentOS 7 : kpatch-patch (RHSA-2021:0862)
9 Oct 202400:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.1aarch64bpftool4.18.0-147.48.1.el8_1bpftool-4.18.0-147.48.1.el8_1.aarch64.rpm
Red Hat Enterprise Linux8.1ppc64lebpftool4.18.0-147.48.1.el8_1bpftool-4.18.0-147.48.1.el8_1.ppc64le.rpm
Red Hat Enterprise Linux8.1s390xbpftool4.18.0-147.48.1.el8_1bpftool-4.18.0-147.48.1.el8_1.s390x.rpm
Red Hat Enterprise Linux8.1x86_64bpftool4.18.0-147.48.1.el8_1bpftool-4.18.0-147.48.1.el8_1.x86_64.rpm
Red Hat Enterprise Linux8.1aarch64bpftool-debuginfo4.18.0-147.48.1.el8_1bpftool-debuginfo-4.18.0-147.48.1.el8_1.aarch64.rpm
Red Hat Enterprise Linux8.1ppc64lebpftool-debuginfo4.18.0-147.48.1.el8_1bpftool-debuginfo-4.18.0-147.48.1.el8_1.ppc64le.rpm
Red Hat Enterprise Linux8.1s390xbpftool-debuginfo4.18.0-147.48.1.el8_1bpftool-debuginfo-4.18.0-147.48.1.el8_1.s390x.rpm
Red Hat Enterprise Linux8.1x86_64bpftool-debuginfo4.18.0-147.48.1.el8_1bpftool-debuginfo-4.18.0-147.48.1.el8_1.x86_64.rpm
Red Hat Enterprise Linux8.1aarch64kernel4.18.0-147.48.1.el8_1kernel-4.18.0-147.48.1.el8_1.aarch64.rpm
Red Hat Enterprise Linux8.1ppc64lekernel4.18.0-147.48.1.el8_1kernel-4.18.0-147.48.1.el8_1.ppc64le.rpm
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28 Jun 2026 12:34Current
6.8Medium risk
Vulners AI Score6.8
CVSS 25.5
CVSS 3.18.1
EPSS0.06563
CWE-20
scsi target hostlinux kernel flawauthenticated attackerbacking store blocksdata integrity risktcmu runner
4