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CVE-2023-6121

UNKNOWN
Published 2023-11-16T14:45:38.430Z
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CVSS Score

V3.1
4.3
/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2023.03.01
0.003
probability
of exploitation in the wild

There is a 0.3% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-01-25
Exploit Probability
Percentile: 0.676
Higher than 67.6% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
LOW
Integrity
NONE
Availability
NONE

Description

An out-of-bounds read vulnerability was found in the NVMe-oF/TCP subsystem in the Linux kernel. This issue may allow a remote attacker to send a crafted TCP packet, triggering a heap-based buffer overflow that results in kmalloc data being printed and potentially leaked to the kernel ring buffer (dmesg).

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Red Hat

Red Hat Enterprise Linux 8

Affected Versions:

0:4.18.0-553.rt7.342.el8_10
Red Hat

Red Hat Enterprise Linux 8

Affected Versions:

0:4.18.0-553.el8_10
Red Hat

Red Hat Enterprise Linux 9

Affected Versions:

0:5.14.0-427.13.1.el9_4
Red Hat

Red Hat Enterprise Linux 9

Affected Versions:

0:5.14.0-427.13.1.el9_4
Red Hat

Red Hat Enterprise Linux 6

Red Hat

Red Hat Enterprise Linux 7

Red Hat

Red Hat Enterprise Linux 7

Red Hat

Red Hat Enterprise Linux 9

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-m4j9-h84h-3gqr

Advisory Details

An out-of-bounds read vulnerability was found in the NVMe-oF/TCP subsystem in the Linux kernel. This flaw allows a remote attacker to send a crafted TCP packet, triggering a heap-based buffer overflow that results in kmalloc data to be printed (and potentially leaked) to the kernel ring buffer (dmesg).

CVSS Scoring

CVSS Score

5.0

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-6121
WEB https://access.redhat.com/errata/RHSA-2024:2394
WEB https://access.redhat.com/errata/RHSA-2024:2950
WEB https://access.redhat.com/errata/RHSA-2024:3138
WEB https://access.redhat.com/security/cve/CVE-2023-6121
WEB https://bugzilla.redhat.com/show_bug.cgi?id=2250043
WEB https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html

Advisory provided by GitHub Security Advisory Database. Published: November 16, 2023, Modified: May 22, 2024

References

https://access.redhat.com/errata/RHSA-2024:2394
https://access.redhat.com/errata/RHSA-2024:2950
https://access.redhat.com/errata/RHSA-2024:3138
https://access.redhat.com/security/cve/CVE-2023-6121
https://bugzilla.redhat.com/show_bug.cgi?id=2250043
Published: 2023-11-16T14:45:38.430Z
Last Modified: 2024-11-15T15:12:12.436Z
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