CVE-2026-80865

CVE-2026-80865 affects the Linux kernel BPF subsystem , specifically the copy_user_syms function. The root cause is a missing access_ok call before using __get_user on a user-space pointer array, which could allow an invalid user-space pointer to be dereferenced without prior validation. The fix ...

EUVD-2026-71495

In the Linux kernel, the following vulnerability has been resolved: bpf: Add missing accessok call to copyusersyms As reported by sashiko we use getuser without prior accessok call on the user space pointer. Adding the missing call for the whole pointer array. Plus removing the err check in the...

The vulnerability of the adjust_reg_min_max_vals() function in the kernel/bpf/verifier.c module of the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the adjustregminmaxvals function in the kernel/bpf/verifier.c module of the Linux operating system is related to improper handling of an additional special element. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and...

The vulnerability of the bpf_selem_unlink() function in the kernel/bpf/bpf_local_storage.c module, which supports the BPF interpreter for the Linux operating system’s kernel, allows a malicious actor to trigger a service failure.

The vulnerability of the bpfselemunlink function in the kernel/bpf/bpflocalstorage.c module, which is part of the BPF interpreter support for the Linux operating system, is related to the occurrence of mutual locking. Exploiting this vulnerability could allow an attacker to trigger a service...

The vulnerability of the bpf_jit_prog_releaseother() function in the kernel/bpf/core.c module, which supports the BPF interpreter for Linux kernels, allows a attacker to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the bpfjitprogreleaseother function in the kernel/bpf/core.c module, which supports the BPF interpreter for Linux kernels, relates to the dereferencing of a pointer whose validity has expired. Exploiting this vulnerability could allow an attacker to compromise the...

Linux Distros Unpatched Vulnerability : CVE-2026-80738

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bpf: Check skstate before skprotocol in bpftcpsyncookie bpftcpgensyncookie and bpftcpchecksyncookie accept a socket pointer 'sk' with argument type...

The vulnerability of the map_kptr_match_type() function in the kernel/bpf/verifier.c module, which is part of the BPF interpreter support in the Linux operating system’s kernel, allows a hacker to trigger a service failure.

The vulnerability of the mapkptrmatchtype function in the kernel/bpf/verifier.c module, which is part of the BPF interpreter for Linux kernel, relates to pointer manipulation. Exploiting this vulnerability could allow an attacker to trigger a system failure...

The vulnerability of the bpf_prog_test_run_skb() function in the net/bpf/test_run.c module, which is part of the networking functions of the Linux operating system’s kernel, allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the bpfprogtestrunskb function in the net/bpf/testrun.c module, which implements networking functions in the Linux kernel, is related to incorrect input of configuration data. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity,...

The vulnerability of the pcpu_init_value() function in the kernel/bpf/hashtab.c module, which is part of the BPF interpreter support for Linux kernel, allows a attacker to access protected information or cause a service failure.

The vulnerability of the pcpuinitvalue function in the kernel/bpf/hashtab.c module, which is part of the Linux kernel’s BPF interpreter support, relates to operations that go beyond the buffer boundaries in memory. Exploiting this vulnerability could allow an attacker to access protected...

The vulnerability of the check_scalar_ids() function in the kernel/bpf/verifier.c module of the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the checkscalarids function in the kernel/bpf/verifier.c module of the Linux operating system is related to state management errors. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of the protected...

The vulnerability of the bpf_tracing_prog_attach() function in the kernel/bpf/syscall.c module, which supports the BPF interpreter for Linux kernel, allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the bpftracingprogattach function in the kernel/bpf/syscall.c module, which supports the BPF interpreter for Linux kernels, is related to incorrect code generation. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and...

The vulnerability of the functions check_ld_abs() and visit_insn() in the kernel/bpf/verifier.c module of the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the functions checkldabs and visitinsn in the kernel/bpf/verifier.c module of the Linux operating system’s kernel relates to the improper handling of an additional special element. Exploiting this vulnerability could allow an attacker to compromise the confidentiality,...

Oracle Linux 10 / 9 : Unbreakable Enterprise kernel (ELSA-2026-500248)

The remote Oracle Linux 10 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-500248 advisory. - inet: frags: strip GSO state from fragments before reassembly Xinyang Ge Orabug: 39974840 CVE-2026-80590 - KVM: x86: Cancel delayed I/O APIC E...

UBUNTU-CVE-2026-80738

In the Linux kernel, the following vulnerability has been resolved: bpf: Check skstate before skprotocol in bpftcpsyncookie bpftcpgensyncookie and bpftcpchecksyncookie accept a socket pointer 'sk' with argument type ARGPTRTOBTFIDSOCKCOMMON. However, they access sk-skprotocol without validating...

UBUNTU-CVE-2026-80735

In the Linux kernel, the following vulnerability has been resolved: ovpn: ensure socket is owned by ovpn before deref skuserdata Some subsystems, like BPF SOCKMAP, set skuserdata without actually setting the encaptype. For this reason, we must make sure that the type is the one ovpn expects befor...

The vulnerability of the bpf_fd_array_map_clear() function in the kernel/bpf/arraymap.c module, which supports the BPF interpreter in Linux kernels, allows a hacker to trigger a service failure.

The vulnerability of the bpffdarraymapclear function in the kernel/bpf/arraymap.c module, which supports BPF interpreter in Linux kernels, is related to synchronization errors. Exploiting this vulnerability could allow an attacker to trigger a service failure...

The vulnerabilities of the functions bpf_iter_task_vma_new() and bpf_iter_task_vmaDestroy() in the kernel module bpf/task_iter.c of the Linux operating system allow attackers to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerabilities of the functions bpfitertaskvmanew and bpfitertaskvmaDestroy in the kernel module bpf/taskiter.c of the Linux operating system are related to the reutilization of previously released memory. Exploiting these vulnerabilities could allow an attacker to compromise the...

The vulnerability of the arena_alloc_pages() function in the kernel/bpf/arena.c module, which is part of the BPF interpreter support for Linux kernel, allows a attacker to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the arenaallocpages function in the kernel/bpf/arena.c module, which is part of the Linux kernel’s BPF interpreter support, relates to the comparison of numerical ranges without any minimum checks during request processing. Exploiting this vulnerability could allow an attacke...

The vulnerability of the btf_check_dtor_kfuncs() function in the kernel/bpf/btf.c module, which supports the BPF interpreter for Linux kernels, allows a attacker to cause a service failure.

The vulnerability of the btfcheckdtorkfuncs function in the kernel/bpf/btf.c module, which supports the BPF interpreter for Linux kernels, is related to improper security checks for standard elements. Exploiting this vulnerability could allow an attacker to cause service failures...

CVE-2026-80738

In the Linux kernel, the following vulnerability has been resolved: bpf: Check skstate before skprotocol in bpftcpsyncookie bpftcpgensyncookie and bpftcpchecksyncookie accept a socket pointer 'sk' with argument type ARGPTRTOBTFIDSOCKCOMMON. However, they access sk-skprotocol without validating...