What is the CVSS score of CVE-2021-27364?

CVE-2021-27364 has a CVSS 3.1 base score of 7.1 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H. EPSS exploitation probability: 1.0%.

Is there a public PoC exploit available for CVE-2021-27364?

Yes, a public proof-of-concept exploit is available for CVE-2021-27364. Prioritise patching immediately. EPSS: 1.0%.

Is there a patch available for CVE-2021-27364?

Yes, a patch is available for CVE-2021-27364. Update the affected software to the latest version immediately.

Debian Linux CVE-2021-27364

HIGH

Out-of-bounds Read (CWE-125)

2021-03-07 cve@mitre.org

Buffer Overflow Linux Information Disclosure Debian Linux Solidfire Baseboard Management Controller Firmware Tekelec Platform Distribution Ubuntu Linux

7.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.1 HIGH

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Mar 07, 2021 - 05:15 nvd

HIGH 7.1

DescriptionNVD

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.

AnalysisAI

An issue was discovered in the Linux kernel through 5.11.3. Rated high severity (CVSS 7.1), this vulnerability is low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Read (CWE-125), which allows attackers to read data from memory outside the intended buffer boundaries. 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 products include: Linux Linux Kernel, Debian Debian Linux, Netapp Solidfire Baseboard Management Controller Firmware, Oracle Tekelec Platform Distribution, Canonical Ubuntu Linux. Version information: through 5.11.3..

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Validate array indices and buffer lengths. Use memory-safe languages. Enable AddressSanitizer during testing.