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CVE PROGRAM SOURCE RECORD7.3 High

CVE-2024-38659

enic: Validate length of nl attributes in enic_set_vf_port

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • f8bd909183acffad68780b10c1cdf36161cfd5d1 to < 2b649d7e0cb42a660f0260ef25fd55fdc9c6c600affected
  • f8bd909183acffad68780b10c1cdf36161cfd5d1 to < ca63fb7af9d3e531aa25f7ae187bfc6c7166ec2daffected
  • f8bd909183acffad68780b10c1cdf36161cfd5d1 to < 3c0d36972edbe56fcf98899622d9b90ac9965227affected
  • f8bd909183acffad68780b10c1cdf36161cfd5d1 to < 25571a12fbc8a1283bd8380d461267956fd426f7affected
  • f8bd909183acffad68780b10c1cdf36161cfd5d1 to < 7077c22f84f41974a711604a42fd0e0684232ee5affected
  • f8bd909183acffad68780b10c1cdf36161cfd5d1 to < f6638e955ca00c489894789492776842e102af9caffected
  • f8bd909183acffad68780b10c1cdf36161cfd5d1 to < aee1955a1509a921c05c70dad5d6fc8563dfcb31affected
  • f8bd909183acffad68780b10c1cdf36161cfd5d1 to < e8021b94b0412c37bcc79027c2e382086b6ce449affected

Linux Linux

Default version status: affected

  • 2.6.35affected
  • 0 to < 2.6.35unaffected
  • 4.19.316 to ≤ 4.19.*unaffected
  • 5.4.278 to ≤ 5.4.*unaffected
  • 5.10.219 to ≤ 5.10.*unaffected
  • 5.15.161 to ≤ 5.15.*unaffected
  • 6.1.93 to ≤ 6.1.*unaffected
  • 6.6.33 to ≤ 6.6.*unaffected
  • 6.9.4 to ≤ 6.9.*unaffected
  • 6.10 to ≤ *unaffected

References