vsock/virtio: Initialization of the dangling pointer occurring in vsk->trans
In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: Initialization of the dangling pointer occurring in vsk->trans During loopback communication, a dangling pointer can be created in vsk->trans, potentially leading to a Use-After-Free condition. This issue is resolved by initializing vsk->trans to NULL.
02 / AFFECTED SOFTWARE
Affected packages
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In virtio_transport_destruct of virtio_transport_common.c, there is possible arbitrary code execution due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: Initialization of the dangling pointer occurring in vsk->trans During loopback communication, a dangling pointer can be created in vsk->trans, potentially leading to a Use-After-Free condition. This issue is resolved by initializing vsk->trans to NULL.
05 / REFERENCES
Further evidence
- https://android.googlesource.com/kernel/common/+/23dafd0055ada5f95360c0724f84f6e999d5407b
- https://source.android.com/security/bulletin/2025-04-01
- https://a13xp0p0v.github.io/2025/09/02/kernel-hack-drill-and-CVE-2024-50264.html
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/2a6a4e69f255b7aed17f93995691ab4f0d3c2203
- https://git.kernel.org/stable/c/44d29897eafd0e1196453d3003a4d5e0b968eeab
- https://git.kernel.org/stable/c/5f092a4271f6dccf88fe0d132475a17b69ef71df
- https://git.kernel.org/stable/c/5f970935d09934222fdef3d0e20c648ea7a963c1
- https://git.kernel.org/stable/c/6ca575374dd9a507cdd16dfa0e78c2e9e20bd05f
- https://git.kernel.org/stable/c/b110196fec44fe966952004bd426967c2a8fd358
- https://git.kernel.org/stable/c/eb1bdcb7dfc30b24495ee4c5533af0ed135cb5f1
- https://git.kernel.org/stable/c/fd8ae346692a56b4437d626c5460c7104980f389
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/50xxx/CVE-2024-50264.json
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
- https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html
- https://nvd.nist.gov/vuln/detail/CVE-2024-50264