enic: Validate length of nl attributes in enic_set_vf_port

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2024-38659
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-06-21 11:15:12 UTC
Updated2026-05-12 12:16:55 UTC
DescriptionIn 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.

Risk And Classification

Primary CVSS: v3.1 7.1 HIGH from [email protected]

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

Problem Types: CWE-1284

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
High

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected f8bd909183acffad68780b10c1cdf36161cfd5d1 2b649d7e0cb42a660f0260ef25fd55fdc9c6c600 git Not specified
CNA Linux Linux affected f8bd909183acffad68780b10c1cdf36161cfd5d1 ca63fb7af9d3e531aa25f7ae187bfc6c7166ec2d git Not specified
CNA Linux Linux affected f8bd909183acffad68780b10c1cdf36161cfd5d1 3c0d36972edbe56fcf98899622d9b90ac9965227 git Not specified
CNA Linux Linux affected f8bd909183acffad68780b10c1cdf36161cfd5d1 25571a12fbc8a1283bd8380d461267956fd426f7 git Not specified
CNA Linux Linux affected f8bd909183acffad68780b10c1cdf36161cfd5d1 7077c22f84f41974a711604a42fd0e0684232ee5 git Not specified
CNA Linux Linux affected f8bd909183acffad68780b10c1cdf36161cfd5d1 f6638e955ca00c489894789492776842e102af9c git Not specified
CNA Linux Linux affected f8bd909183acffad68780b10c1cdf36161cfd5d1 aee1955a1509a921c05c70dad5d6fc8563dfcb31 git Not specified
CNA Linux Linux affected f8bd909183acffad68780b10c1cdf36161cfd5d1 e8021b94b0412c37bcc79027c2e382086b6ce449 git Not specified
CNA Linux Linux affected 2.6.35 Not specified
CNA Linux Linux unaffected 2.6.35 semver Not specified
CNA Linux Linux unaffected 4.19.316 4.19.* semver Not specified
CNA Linux Linux unaffected 5.4.278 5.4.* semver Not specified
CNA Linux Linux unaffected 5.10.219 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.161 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.93 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.33 6.6.* semver Not specified
CNA Linux Linux unaffected 6.9.4 6.9.* semver Not specified
CNA Linux Linux unaffected 6.10 * original_commit_for_fix Not specified
ADP Siemens RUGGEDCOM RST2428P affected V3.1 custom Not specified
ADP Siemens SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 Family unaffected * custom Not specified
ADP Siemens SCALANCE XCM-/XRM-/XCH-/XRH-300 Family affected V3.1 custom Not specified
ADP Siemens SIMATIC S7-1500 TM MFP - GNU/Linux Subsystem affected * custom Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/aee1955a1509a921c05c70dad5d6fc8563dfcb31 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/7077c22f84f41974a711604a42fd0e0684232ee5 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
cert-portal.siemens.com/productcert/html/ssa-265688.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
git.kernel.org/stable/c/e8021b94b0412c37bcc79027c2e382086b6ce449 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/3c0d36972edbe56fcf98899622d9b90ac9965227 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/ca63fb7af9d3e531aa25f7ae187bfc6c7166ec2d af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
cert-portal.siemens.com/productcert/html/ssa-613116.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
git.kernel.org/stable/c/2b649d7e0cb42a660f0260ef25fd55fdc9c6c600 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
lists.debian.org/debian-lts-announce/2024/06/msg00020.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org
git.kernel.org/stable/c/f6638e955ca00c489894789492776842e102af9c af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/25571a12fbc8a1283bd8380d461267956fd426f7 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
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