Astra Linux – Vulnerability in libbpf

A vulnerability has been discovered in the Linux Kernel versions up to 5.10.162, 5.15.85, 6.0.15, and 6.1.1. The affected component is the function btfdumpnamedups in the file tools/lib/bpf/btfdump.c of the libbpf component. This vulnerability occurs due to improper memory manipulation after...

Astra Linux – Vulnerability in libbpf

A vulnerability has been discovered in the Linux kernel. It has been identified as problematic. This issue affects the parseusdtarg function in the tools/lib/bpf/usdt.c file of the BPF component. Manipulating the regname argument leads to a memory leak. It is recommended that a patch be applied t...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: libbpf: Handling of size overflow for ringbuf mmap The maximum size of a ringbuf on an x86-64 host is 2GB. Therefore, 2 maxentries will cause an overflow of type u32 when mapping producer pages and data pages. Simply casting...

Astra Linux – Vulnerability in libbpf

A vulnerability was discovered in the Linux kernel. It has been classified as problematic. This issue affects the findprogbysecinsn function in the tools/lib/bpf/libbpf.c file, belonging to the BPF component. The vulnerability results in a null pointer derefrence error. It is recommended that a...

libbpf:bpf-object-fuzzer: Heap-use-after-free in btf_ext_parse_sec_info

Project: https://github.com/libbpf/libbpf.git Detailed Report: https://oss-fuzz.com/testcase?key=4722152942403584 Project: libbpf Fuzzing Engine: libFuzzer Fuzz Target: bpf-object-fuzzer Job Type: libfuzzerasani386libbpf Platform Id: linux Crash Type: Heap-use-after-free READ 4 Crash Address:...

CVE-2026-80675

A flaw was found in libbpf, a library for working with eBPF extended Berkeley Packet Filter programs in the Linux kernel. This vulnerability occurs when the signed loader fails to ensure that metadata maps are exclusive during verification. A hostile host could exploit this by omitting exclusivit...

Linux Distros Unpatched Vulnerability : CVE-2026-80675

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: libbpf: Reject non-exclusive metadata maps in the signed loader The loader verifies map-sha...

SUSE CVE-2026-80675

In the Linux kernel, the following vulnerability has been resolved: libbpf: Reject non-exclusive metadata maps in the signed loader The loader verifies map-sha against the metadata hash in its instructions. map-sha is calculated when BPFOBJGETINFOBYFD is called on the frozen map. While the map is...

CVE-2026-80675

In the Linux kernel, the following vulnerability has been resolved: libbpf: Reject non-exclusive metadata maps in the signed loader The loader verifies map-sha against the metadata hash in its instructions. map-sha is calculated when BPFOBJGETINFOBYFD is called on the frozen map. While the map is...

CVE-2026-80675

In the Linux kernel, the following vulnerability has been resolved: libbpf: Reject non-exclusive metadata maps in the signed loader The loader verifies map-sha against the metadata hash in its instructions. map-sha is calculated when BPFOBJGETINFOBYFD is called on the frozen map. While the map is...

UBUNTU-CVE-2026-80675

In the Linux kernel, the following vulnerability has been resolved: libbpf: Reject non-exclusive metadata maps in the signed loader The loader verifies map-sha against the metadata hash in its instructions. map-sha is calculated when BPFOBJGETINFOBYFD is called on the frozen map. While the map is...

CVE-2026-80675

CVE-2026-80675 is a Linux kernel vulnerability in the libbpf signed loader . The loader verifies a map's SHA against a metadata hash in its instructions, but failed to ensure the map is exclusive . Without exclusivity, a hostile host could load another BPF program with map access to mutate the co...

CVE-2026-80675 libbpf: Reject non-exclusive metadata maps in the signed loader

In the Linux kernel, the following vulnerability has been resolved: libbpf: Reject non-exclusive metadata maps in the signed loader The loader verifies map-sha against the metadata hash in its instructions. map-sha is calculated when BPFOBJGETINFOBYFD is called on the frozen map. While the map is...

CVE-2026-80675 libbpf: Reject non-exclusive metadata maps in the signed loader

In the Linux kernel, the following vulnerability has been resolved: libbpf: Reject non-exclusive metadata maps in the signed loader The loader verifies map-sha against the metadata hash in its instructions. map-sha is calculated when BPFOBJGETINFOBYFD is called on the frozen map. While the map is...

EUVD-2026-67551

In the Linux kernel, the following vulnerability has been resolved: libbpf: Reject non-exclusive metadata maps in the signed loader The loader verifies map-sha against the metadata hash in its instructions. map-sha is calculated when BPFOBJGETINFOBYFD is called on the frozen map. While the map is...

CVE-2026-80675

In the Linux kernel, the following vulnerability has been resolved: libbpf: Reject non-exclusive metadata maps in the signed loader The loader verifies map-sha against the metadata hash in its instructions. map-sha is calculated when BPFOBJGETINFOBYFD is called on the frozen map. While the map is...

PT-2026-82975

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the libbpf signed loader where it fails to ensure that metadata maps are exclusive. The loader verifies map-sha against the metadata hash using BPF OBJ GET INFO BY FD ...

CVE-2026-80675: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: libbpf: Reject non-exclusive metadata maps in the signed loader The loader verifies map-sha against the metadata hash in its instructions. map-sha is calculated when BPFOBJGETINFOBYFD is called on the frozen map. While the map is...

libbpf:bpf-object-fuzzer: Crash in bpf_object_post_load_cleanup

Detailed Report: https://oss-fuzz.com/testcase?key=4726053129224192 Project: libbpf Fuzzing Engine: libFuzzer Fuzz Target: bpf-object-fuzzer Job Type: libfuzzermsanlibbpf Platform Id: linux Crash Type: UNKNOWN READ Crash Address: 0xffffafffc0da9188 Crash State: bpfobjectpostloadcleanup...

libbpf:bpf-object-fuzzer: Crash in btf__set_pointer_size

Detailed Report: https://oss-fuzz.com/testcase?key=6306551366483968 Project: libbpf Fuzzing Engine: libFuzzer Fuzz Target: bpf-object-fuzzer Job Type: libfuzzermsanlibbpf Platform Id: linux Crash Type: UNKNOWN WRITE Crash Address: 0xffffafff8688012c Crash State: btfsetpointersize bpfobjectinitbtf...