PT-2024-6851 · Linux+7 · Linux Kernel+7
Jeongjun Park
+1
·
Published
2024-04-22
·
Updated
2025-09-29
·
CVE-2024-43873
CVSS v3.1
7.8
High
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel versions prior to 6.6.50
Description
The issue is related to the incorrect initialization of the
seqpacket allow function in the Linux kernel. There are two problems with seqpacket allow: it is not initialized when a socket is created, and if VIRTIO VSOCK F SEQPACKET is set and then cleared, seqpacket allow will not be cleared properly. This could allow an attacker to impact the confidentiality, integrity, and availability of protected information.Recommendations
To fix the issue, initialize
seqpacket allow after allocation and set it unconditionally in set features. Update to Linux kernel version 6.6.50 or later to resolve the issue. As a temporary workaround, consider restricting access to the vulnerable vhost/vsock module to minimize the risk of exploitation.Exploit
Fix
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Astra Linux
Linuxmint
Linux Kernel
Red Hat
Red Os
Suse
Ubuntu