CVE-2021-27364
kernel: out-of-bounds read in libiscsi module
Severity Score
7.1
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
Se detectó un problema en el kernel de Linux versiones hasta 5.11.3. El archivo drivers/scsi/scsi_transport_iscsi.c está afectado negativamente por la capacidad de un usuario sin privilegios de crear mensajes Netlink
A flaw was found in the Linux kernel. An out-of-bounds read was discovered in the libiscsi module that could lead to reading kernel memory or a crash. The highest threat from this vulnerability is to data confidentiality as well as system availability.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-02-17 CVE Reserved
- 2021-03-07 CVE Published
- 2023-03-08 EPSS Updated
- 2024-08-03 CVE Updated
- 2024-08-03 First Exploit
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-125: Out-of-bounds Read
CAPEC
References (11)
| URL | Tag | Source |
|---|---|---|
| http://packetstormsecurity.com/files/162117/Kernel-Live-Patch-Security-Notice-LSN-0075-1.html | Third Party Advisory |
|
| https://bugzilla.suse.com/show_bug.cgi?id=1182717 | Issue Tracking | |
| https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html | Mailing List |
|
| https://lists.debian.org/debian-lts-announce/2021/03/msg00035.html | Mailing List |
|
| https://security.netapp.com/advisory/ntap-20210409-0001 | Third Party Advisory |
|
| https://www.openwall.com/lists/oss-security/2021/03/06/1 | Mailing List |
|
| URL | Date | SRC |
|---|---|---|
| https://blog.grimm-co.com/2021/03/new-old-bugs-in-linux-kernel.html | 2024-08-03 |
| URL | Date | SRC |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2021-27364 | 2021-05-11 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1930080 | 2021-05-11 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Netapp Search vendor "Netapp" | Solidfire Baseboard Management Controller Firmware Search vendor "Netapp" for product "Solidfire Baseboard Management Controller Firmware" | - | - |
Affected
| in | Netapp Search vendor "Netapp" | Solidfire Baseboard Management Controller Search vendor "Netapp" for product "Solidfire Baseboard Management Controller" | - | - |
Safe
|
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | <= 5.11.3 Search vendor "Linux" for product "Linux Kernel" and version " <= 5.11.3" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Tekelec Platform Distribution Search vendor "Oracle" for product "Tekelec Platform Distribution" | >= 7.4.0 <= 7.7.1 Search vendor "Oracle" for product "Tekelec Platform Distribution" and version " >= 7.4.0 <= 7.7.1" | - |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 14.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04" | esm |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 16.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04" | lts |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 18.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.04" | lts |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 20.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "20.04" | lts |
Affected
| ||||||