CVE-2024-43873 - Linux Kernel Vhost vsock Sequence Packet Allow Vulnerability

CVE ID : CVE-2024-43873 Published : Aug. 21, 2024, 1:15 a.m. | 44 minutes ago Description : In the Linux kernel, the following vulnerability has been resolved: vhost/vsock: always initialize seqpacket_allow There are two issues around seqpacket_allow: 1. seqpacket_allow is not initialized when socket is created. Thus if features are never set, it will be read uninitialized. 2. if VIRTIO_VSOCK_F_SEQPACKET is set and then cleared, then seqpacket_allow will not be cleared appropriately (existing apps I know about don't usually do this but it's legal and there's no way to be sure no one relies on this). To fix: - initialize seqpacket_allow after allocation - set it unconditionally in set_features Severity: 0.0 | NA Visit the link for more details, such as CVSS details, affected products, timeline, and more...

Aug 21, 2024 - 04:00
 0  7
CVE-2024-43873 - Linux Kernel Vhost vsock Sequence Packet Allow Vulnerability
CVE ID : CVE-2024-43873
Published : Aug. 21, 2024, 1:15 a.m. | 44 minutes ago
Description : In the Linux kernel, the following vulnerability has been resolved: vhost/vsock: always initialize seqpacket_allow There are two issues around seqpacket_allow: 1. seqpacket_allow is not initialized when socket is created. Thus if features are never set, it will be read uninitialized. 2. if VIRTIO_VSOCK_F_SEQPACKET is set and then cleared, then seqpacket_allow will not be cleared appropriately (existing apps I know about don't usually do this but it's legal and there's no way to be sure no one relies on this). To fix: - initialize seqpacket_allow after allocation - set it unconditionally in set_features
Severity: 0.0 | NA
Visit the link for more details, such as CVSS details, affected products, timeline, and more...