Linux Kernel BTF Type Privilege Escalation

The vulnerability of the btftypeisvoid function kernel/bpf/btf.c in Linux operating systems is related to the use of memory and its subsequent release. Exploiting this vulnerability can allow an attacker to increase their privileges...

Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-7344-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7344-1 advisory. Chenyuan Yang discovered that the CEC driver driver in the Linux kernel contained a use-after-free vulnerability. A local attacker could use...

SUSE CVE-2024-58070

In the Linux kernel, the following vulnerability has been resolved: bpf: bpflocalstorage: Always use bpfmemalloc in PREEMPTRT In PREEMPTRT, kmallocGFPATOMIC is still not safe in non preemptible context. bpfmemalloc must be used in PREEMPTRT. This patch is to enforce bpfmemalloc in the...

SUSE CVE-2025-21825

In the Linux kernel, the following vulnerability has been resolved: bpf: Cancel the running bpftimer through kworker for PREEMPTRT During the update procedure, when overwrite element in a pre-allocated htab, the freeing of oldelement is protected by the bucket lock. The reason why the bucket lock...

AZL-69488 CVE-2025-21825 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: bpf: Cancel the running bpftimer through kworker for PREEMPTRT During the update procedure, when overwrite element in a pre-allocated htab, the freeing of oldelement is protected by the bucket lock. The reason why the bucket lock...

CVE-2025-21825

In the Linux kernel, the following vulnerability has been resolved: bpf: Cancel the running bpftimer through kworker for PREEMPTRT During the update procedure, when overwrite element in a pre-allocated htab, the freeing of oldelement is protected by the bucket lock. The reason why the bucket lock...

DEBIAN-CVE-2024-58070

In the Linux kernel, the following vulnerability has been resolved: bpf: bpflocalstorage: Always use bpfmemalloc in PREEMPTRT In PREEMPTRT, kmallocGFPATOMIC is still not safe in non preemptible context. bpfmemalloc must be used in PREEMPTRT. This patch is to enforce bpfmemalloc in the...

DEBIAN-CVE-2024-58060

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject structops registration that uses module ptr and the module btfid is missing There is a UAF report in the bpfstructops when CONFIGMODULES=n. In particular, the report is on tcpcongestionops that has a "struct module...

CVE-2024-58060

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject structops registration that uses module ptr and the module btfid is missing There is a UAF report in the bpfstructops when CONFIGMODULES=n. In particular, the report is on tcpcongestionops that has a "struct module...

UBUNTU-CVE-2024-58070

In the Linux kernel, the following vulnerability has been resolved: bpf: bpflocalstorage: Always use bpfmemalloc in PREEMPTRT In PREEMPTRT, kmallocGFPATOMIC is still not safe in non preemptible context. bpfmemalloc must be used in PREEMPTRT. This patch is to enforce bpfmemalloc in the...

UBUNTU-CVE-2025-21825

In the Linux kernel, the following vulnerability has been resolved: bpf: Cancel the running bpftimer through kworker for PREEMPTRT During the update procedure, when overwrite element in a pre-allocated htab, the freeing of oldelement is protected by the bucket lock. The reason why the bucket lock...

UBUNTU-CVE-2024-58060

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject structops registration that uses module ptr and the module btfid is missing There is a UAF report in the bpfstructops when CONFIGMODULES=n. In particular, the report is on tcpcongestionops that has a "struct module...

CVE-2025-21825

CVE-2025-21825 affects the Linux kernel’s BPF subsystem when PREEMPT_RT is enabled. The issue arises in the bpf_timer cancellation path during map update of preallocated htab elements: freeing of old_element under the bucket lock can race with reuse of the same element, potentially triggering a l...

CVE-2025-21825

In the Linux kernel, the following vulnerability has been resolved: bpf: Cancel the running bpftimer through kworker for PREEMPTRT During the update procedure, when overwrite element in a pre-allocated htab, the freeing of oldelement is protected by the bucket lock. The reason why the bucket lock...

CVE-2025-21825: Double Free

In the Linux kernel, the following vulnerability has been resolved: bpf: Cancel the running bpftimer through kworker for PREEMPTRT During the update procedure, when overwrite element in a pre-allocated htab, the freeing of oldelement is protected by the bucket lock. The reason why the bucket lock...

Linux Distros Unpatched Vulnerability : CVE-2024-56786

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: bpf: put bpflink's program when link is safe to be deallocated In general, BPF link's...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a scheduling issue that can be caused when canceling a running bpftimer via kworker in a PREEMPTRT environme...

Linux Distros Unpatched Vulnerability : CVE-2024-56675

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: bpf: Fix UAF via mismatching bpfprog/attachment RCU flavors Uprobes always use...

Linux Distros Unpatched Vulnerability : CVE-2024-53099

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bpf: Check validity of link-type in bpflinkshowfdinfo If a newly-added link type doesn't invoke BPFLINKTYPE, accessing bpflinktypestrslink-type may result in an...

Linux Distros Unpatched Vulnerability : CVE-2024-50253

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: bpf: Check the validity of nrwords in bpfiterbitsnew Check the validity of nrwords in...