CVE-2024-38659

HIGH
Published Jun 21, 2024 Modified May 12, 2026 CWE-1284

Description

In the Linux kernel, the following vulnerability has been resolved: enic: Validate length of nl attributes in enic_set_vf_port enic_set_vf_port assumes that the nl attribute IFLA_PORT_PROFILE is of length PORT_PROFILE_MAX and that the nl attributes IFLA_PORT_INSTANCE_UUID, IFLA_PORT_HOST_UUID are of length PORT_UUID_MAX. These attributes are validated (in the function do_setlink in rtnetlink.c) using the nla_policy ifla_port_policy. The policy defines IFLA_PORT_PROFILE as NLA_STRING, IFLA_PORT_INSTANCE_UUID as NLA_BINARY and IFLA_PORT_HOST_UUID as NLA_STRING. That means that the length validation using the policy is for the max size of the attributes and not on exact size so the length of these attributes might be less than the sizes that enic_set_vf_port expects. This might cause an out of bands read access in the memcpys of the data of these attributes in enic_set_vf_port.

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CVSS v3.1 Score

7.1
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Weakness Type (CWE)

CWE-1284 CWE-1284

Affected Products

Vendor Product
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel

References

Advisories & Patches

https://git.kernel.org/stable/c/25571a12fbc8a1283bd8380d461267956fd426f7 https://git.kernel.org/stable/c/2b649d7e0cb42a660f0260ef25fd55fdc9c6c600 https://git.kernel.org/stable/c/3c0d36972edbe56fcf98899622d9b90ac9965227 https://git.kernel.org/stable/c/7077c22f84f41974a711604a42fd0e0684232ee5 https://git.kernel.org/stable/c/aee1955a1509a921c05c70dad5d6fc8563dfcb31 https://git.kernel.org/stable/c/ca63fb7af9d3e531aa25f7ae187bfc6c7166ec2d https://git.kernel.org/stable/c/e8021b94b0412c37bcc79027c2e382086b6ce449 https://git.kernel.org/stable/c/f6638e955ca00c489894789492776842e102af9c https://git.kernel.org/stable/c/25571a12fbc8a1283bd8380d461267956fd426f7 https://git.kernel.org/stable/c/2b649d7e0cb42a660f0260ef25fd55fdc9c6c600 https://git.kernel.org/stable/c/3c0d36972edbe56fcf98899622d9b90ac9965227 https://git.kernel.org/stable/c/7077c22f84f41974a711604a42fd0e0684232ee5 https://git.kernel.org/stable/c/aee1955a1509a921c05c70dad5d6fc8563dfcb31 https://git.kernel.org/stable/c/ca63fb7af9d3e531aa25f7ae187bfc6c7166ec2d https://git.kernel.org/stable/c/e8021b94b0412c37bcc79027c2e382086b6ce449 https://git.kernel.org/stable/c/f6638e955ca00c489894789492776842e102af9c

Frequently Asked Questions

What is CVE-2024-38659? +
In the Linux kernel, the following vulnerability has been resolved: enic: Validate length of nl attributes in enic_set_vf_port enic_set_vf_port assumes that the nl attribute IFLA_PORT_PROFILE is of length PORT_PROFILE_MAX and that the nl attributes IFLA_PORT_INSTANCE_UUID, IFLA_PORT_HOST_UUID are of length PORT_UUID_MAX. These attributes are validated (in the function do_setlink in rtnetlink.c) using the nla_policy ifla_port_policy. The policy defines IFLA_PORT_PROFILE as NLA_STRING, IFLA_PORT_INSTANCE_UUID as NLA_BINARY and IFLA_PORT_HOST_UUID as NLA_STRING. That means that the length validation using the policy is for the max size of the attributes and not on exact size so the length of these attributes might be less than the sizes that enic_set_vf_port expects. This might cause an out of bands read access in the memcpys of the data of these attributes in enic_set_vf_port. It has a CVSS v3.1 base score of 7.1 (HIGH).
How severe is CVE-2024-38659? +
CVE-2024-38659 has a CVSS v3.1 score of 7.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.
What products are affected by CVE-2024-38659? +
CVE-2024-38659 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2024-38659? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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