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Oracle Linux: CVE-2024-43873: ELSA-2024-12815: Unbreakable Enterprise kernel security update (IMPORTANT) (Multiple Advisories)

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Oracle Linux: CVE-2024-43873: ELSA-2024-12815: Unbreakable Enterprise kernel security update (IMPORTANT) (Multiple Advisories)

Severity
6
CVSS
(AV:L/AC:L/Au:S/C:C/I:N/A:C)
Published
08/21/2024
Created
11/23/2024
Added
11/21/2024
Modified
11/22/2024

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

Solution(s)

  • oracle-linux-upgrade-kernel-uek

References

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