Azure Linux 3.0 Security Update: kernel (CVE-2024-56675)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-56675 advisory. - In the Linux kernel, the following vulnerability has been resolved: bpf: Fix UAF via mismatching...

ROS-20260120-7335

A vulnerability in the bpfprogram function of the driver drivers/net/ppp/pppgeneric.c of the Linux kernel is related to the use of an uninitialized pointer. Exploitation of the vulnerability could allow an attacker to cause a denial of service...

PT-2026-26576

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists between the perf event overflow function and perf remove from context. The issue occurs because perf event overflow may run with only preemption disabled instead ...

PT-2026-4494

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A reference count leak exists in the bpf prog test run xdp function within the Linux kernel. The issue stems from an error handling path introduced by commit 1c1949982524, which failed t...

CVE-2022-50855

The CVE-2022-50855 entry concerns a Linux kernel issue where the BPF LSM program attached via bpf_prog_attach to cgroups could leak because the refcnt wasn’t decremented when the validation rejected the attach. The published description across Red Hat, SUSE, Ubuntu (OSV), Debian OSV, NVD, and oth...

CVE-2022-50855 bpf: prevent leak of lsm program after failed attach

In the Linux kernel, the following vulnerability has been resolved: bpf: prevent leak of lsm program after failed attach In 0, we added the ability to bpfprogattach LSM programs to cgroups, but in our validation to make sure the prog is meant to be attached to BPFLSMCGROUP, we return too early if...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992347)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992347 advisory. In the Linux kernel, the following vulnerability has been resolved: bpf: Don't redirect packets with invalid pktlen Syzbot found an issue 1: fqcodeldrop try to drop ...

CVE-2025-68742

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix invalid prog-stats access when updateeffectiveprogs fails Syzkaller triggers an invalid memory access issue following fault injection in updateeffectiveprogs. The issue can be described as follows: cgroupbpfdetach...

CVE-2025-68742 bpf: Fix invalid prog->stats access when update_effective_progs fails

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix invalid prog-stats access when updateeffectiveprogs fails Syzkaller triggers an invalid memory access issue following fault injection in updateeffectiveprogs. The issue can be described as follows: cgroupbpfdetach...

EUVD-2025-203696

In the Linux kernel, the following vulnerability has been resolved: bpf: Add bpfprogrundatapointers syzbot found that clsbpfclassify is able to change tcskbcbskb-dropreason triggering a warning in skskbreasondrop. WARNING: CPU: 0 PID: 5965 at net/core/skbuff.c:1192 skskbreasondrop...

UBUNTU-CVE-2025-68200

In the Linux kernel, the following vulnerability has been resolved: bpf: Add bpfprogrundatapointers syzbot found that clsbpfclassify is able to change tcskbcbskb-dropreason triggering a warning in skskbreasondrop. WARNING: CPU: 0 PID: 5965 at net/core/skbuff.c:1192 skskbreasondrop...

CVE-2025-68200

In the Linux kernel, the following vulnerability has been resolved: bpf: Add bpfprogrundatapointers syzbot found that clsbpfclassify is able to change tcskbcbskb-dropreason triggering a warning in skskbreasondrop. WARNING: CPU: 0 PID: 5965 at net/core/skbuff.c:1192 skskbreasondrop...

CVE-2025-68200

CVE-2025-68200 is a Linux kernel vulnerability addressed by introducing bpf_prog_run_data_pointers() to save/restore net_sched storage that collides with BPF data_meta/data_end. The issue stemmed from cls_bpf_classify() potentially modifying tc_skb_cb(skb)->drop_reason, triggering a warning in...

kernel: bpf: Fix UAF via mismatching bpf_prog/attachment RCU flavors

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix UAF via mismatching bpfprog/attachment RCU flavors Uprobes always use bpfprogrunarrayuprobe under tasks-trace-RCU protection. But it is possible to attach a non-sleepable BPF program to a uprobe, and non-sleepable BPF...

kernel: bpf: Fix UAF via mismatching bpf_prog/attachment RCU flavors

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix UAF via mismatching bpfprog/attachment RCU flavors Uprobes always use bpfprogrunarrayuprobe under tasks-trace-RCU protection. But it is possible to attach a non-sleepable BPF program to a uprobe, and non-sleepable BPF...

RHEL 10 : kernel (RHSA-2025:20095)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:20095 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: xen: Xen hypercall page unsa...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989480)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989480 advisory. In the Linux kernel, the following vulnerability has been resolved: ice: avoid bpfprog refcount underflow Ice driver has the routines for managing XDP resources that...

EUVD-2022-54538

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix requestsock leak in sk lookup helpers A customer reported a requestsocket leak in a Calico cloud environment. We found that a BPF program was doing a socket lookup with takes a refcnt on the socket and that it was findin...

bpf: Add BPF_PROG_TYPE_CGROUP_SKB attach type enforcement in BPF_LINK_CREATE

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SUSE CVE-2023-53645

In the Linux kernel, the following vulnerability has been resolved: bpf: Make bpfrefcountacquire fallible for non-owning refs This patch fixes an incorrect assumption made in the original bpfrefcount series 0, specifically that the BPF program calling bpfrefcountacquire on some node can always...