vulnerability
Ubuntu: (Multiple Advisories) (CVE-2024-36017): Linux kernel vulnerabilities
Severity | CVSS | Published | Added | Modified |
---|---|---|---|---|
4 | (AV:L/AC:M/Au:M/C:N/I:N/A:C) | 05/30/2024 | 08/09/2024 | 02/18/2025 |
Description
In the Linux kernel, the following vulnerability has been resolved:
rtnetlink: Correct nested IFLA_VF_VLAN_LIST attribute validation
Each attribute inside a nested IFLA_VF_VLAN_LIST is assumed to be a
struct ifla_vf_vlan_info so the size of such attribute needs to be at least
of sizeof(struct ifla_vf_vlan_info) which is 14 bytes.
The current size validation in do_setvfinfo is against NLA_HDRLEN (4 bytes)
which is less than sizeof(struct ifla_vf_vlan_info) so this validation
is not enough and a too small attribute might be cast to a
struct ifla_vf_vlan_info, this might result in an out of bands
read access when accessing the saved (casted) entry in ivvl.
Solution(s)
References
- CVE-2024-36017
- https://attackerkb.com/topics/CVE-2024-36017
- UBUNTU-USN-6949-1
- UBUNTU-USN-6949-2
- UBUNTU-USN-6950-1
- UBUNTU-USN-6950-2
- UBUNTU-USN-6950-3
- UBUNTU-USN-6950-4
- UBUNTU-USN-6951-1
- UBUNTU-USN-6951-2
- UBUNTU-USN-6951-3
- UBUNTU-USN-6951-4
- UBUNTU-USN-6952-1
- UBUNTU-USN-6952-2
- UBUNTU-USN-6953-1
- UBUNTU-USN-6955-1
- UBUNTU-USN-6956-1
- UBUNTU-USN-6957-1
- UBUNTU-USN-6979-1
- UBUNTU-USN-7019-1

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