CVE-2024-40954 net: do not leave a dangling sk pointer, when socket creation fails

In the Linux kernel, the following vulnerability has been resolved: net: do not leave a dangling sk pointer, when socket creation fails It is possible to trigger a use-after-free by: attaching an fentry probe to sockrelease and the probe calling the bpfgetsocketcookie helper running traceroute -I...

CVE-2024-40954

In the Linux kernel, the following vulnerability has been resolved: net: do not leave a dangling sk pointer, when socket creation fails It is possible to trigger a use-after-free by: attaching an fentry probe to sockrelease and the probe calling the bpfgetsocketcookie helper running traceroute -I...

CVE-2024-40954

The CVE-2024-40954 entry concerns a Linux kernel UAF: a dangling sk pointer may be created on socket creation failure when an fentry probe hits __sock_release() and bpf_get_socket_cookie() is invoked, enabling a use-after-free in __sock_gen_cookie. Reproducing scenario described via traceroute -I...

PT-2024-6978

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.10.0-rc2+ Description The vulnerability is related to a use-after-free issue in the Linux kernel's networking code. It can be triggered by attaching an fentry probe to sock release and the probe calling the bpf...

kernel: bpf: Fix memleak due to fentry attach failure

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix memleak due to fentry attach failure If it fails to attach fentry, the allocated bpf trampoline image will be left in the system. That can be verified by checking /proc/kallsyms. This meamleak can be verified by a simple...

PT-2025-37662

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory leak can occur in the Linux kernel due to a failure during the attachment of fentry probes. When the attachment fails, the allocated bpf trampoline image remains in the system, ...

PT-2022-7352 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel affected versions not specified Description: The issue is related to a memory leak in the test fentry function of the BPF component in the Linux kernel. This can be exploited to cause a denial of service. Recommendations: At the...