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CVE-2023-5178

Kernel: use after free in nvmet_tcp_free_crypto in nvme

Published: Nov 1, 2023Updated: Feb 18, 2026 Sources: CVE List NVD BDU csafCWE-1341
NVD MITRE
8.8CVSSHIGH
EPSS Score
9.1%
Top 5.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A use-after-free vulnerability was found in drivers/nvme/target/tcp.c` in `nvmet_tcp_free_crypto` due to a logical bug in the NVMe/TCP subsystem in the Linux kernel. This issue may allow a malicious user to cause a use-after-free and double-free problem, which may permit remote code execution or lead to local privilege escalation.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-1341CWE-416

Affected Products

Red Hat Enterprise Linux 8Red Hat
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise Linux 8.2 Advanced Update SupportRed Hat
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise Linux 8.2 Telecommunications Update ServiceRed Hat
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise Linux 8.2 Update Services for SAP SolutionsRed Hat
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat
On-premOS
Operating Systems / linux-distro
red hatcommercialUSOperating Systemsaka red hat
and 24 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available
Workaround Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://access.redhat.com/errata/RHSA-2023:7370
access.redhat.com
https://access.redhat.com/errata/RHSA-2023:7379
access.redhat.com
https://access.redhat.com/errata/RHSA-2023:7418
access.redhat.com
and 525 more references View all →

Timeline

Published
Nov 1, 2023
Last Updated
Feb 18, 2026

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