vulnerability

Debian: CVE-2024-36017: linux -- security update

Severity
4
CVSS
(AV:L/AC:M/Au:M/C:N/I:N/A:C)
Published
05/30/2024
Added
06/04/2024
Modified
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

debian-upgrade-linux
Title
NEW

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