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CVE-2023-5178

HIGHCVSS 8.8/10EPSS 9.14%

Last modified

CVE-2023-5178 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 9.14% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
8.8/10

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

EPSS Probability
9.14%

94.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LinuxLinux Kernel>= 5.0, < 5.4.260
LinuxLinux Kernel>= 5.5, < 5.10.199
LinuxLinux Kernel>= 5.11, < 5.15.137
LinuxLinux Kernel>= 5.16, < 6.1.60
LinuxLinux Kernel>= 6.2, < 6.5.9
RedhatEnterprise Linux8.0
RedhatEnterprise Linux9.0
NetappActive Iq Unified ManagerAll versions
NetappSolidfire \& Hci Management NodeAll versions
NetappSolidfire \& Hci Storage NodeAll versions

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-5178?
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.
How severe is CVE-2023-5178?
CVE-2023-5178 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 9.14% probability of exploitation in the next 30 days.
How do I fix CVE-2023-5178?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-5178?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST