CVE-2021-27364
HIGH
7.1
CVSS Score
Published: March 7, 2021 at 04:03 AM UTC
Updated: July 30, 2026 at 07:39 PM UTC
7 products affected across 5 vendorsLinux KernelDebian LinuxUbuntu Linux
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Severity
HIGH7.1
Exploit prediction
EPSS 1.0%
Description
An issue was discovered in the Linux kernel through 5.11.3. drivers/scsi/scsi_transport_iscsi.c is adversely affected by the ability of an unprivileged user to craft Netlink messages.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Ubuntu Linux· Canonicalrubygems
95%Debian Linux· Debiandrupal
95%v < 4.4.2604.10 ≤ v < 4.14.2244.15 ≤ v < 4.19.1794.20 ≤ v < 5.4.1034.5 ≤ v < 4.9.2605.11 ≤ v < 5.11.45.5 ≤ v < 5.10.21
Affected range stops below 4.14.224, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.19.179, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.4.260, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.9.260, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.10.21, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.11.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.4.103, so it looks safe — our inference, not a vendor statement
Cloud Backup· NetAppdrupal
95%All versions
All versions
netapp-solidfire-baseboard-management-controller (same device)
7.4.0 ≤ v ≤ 7.7.1
All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (9)
x_refsource_MISCThird Party AdvisoryVDB Entry
Source: [email protected]
http://packetstormsecurity.com/files/162117/Kernel-Live-Patch-Security-Notice-LSN-0075-1.htmlx_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://blog.grimm-co.com/2021/03/new-old-bugs-in-linux-kernel.htmlx_refsource_MISCIssue TrackingThird Party Advisory
Source: [email protected]
https://bugzilla.suse.com/show_bug.cgi?id=1182717x_refsource_MISCMailing ListPatchVendor Advisory
Source: [email protected]
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=688e8128b7a92df982709a4137ea4588d16f24aaMailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2021/03/msg00010.htmlMailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2021/03/msg00035.htmlx_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20210409-0001/x_refsource_MISCMailing ListThird Party Advisory
Source: [email protected]
https://www.openwall.com/lists/oss-security/2021/03/06/1CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusANALYZED
CWE
CWE-125
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