CVE-2026-45839

In the Linux kernel, the following vulnerability has been resolved: bpf: reject negative CO-RE accessor indices in bpfcoreparsespec CO-RE accessor strings are colon-separated indices that describe a path from a root BTF type to a target field, e.g. "0:1:2" walks through nested struct members...

kernel/bpf/core.c Heap Buffer Overflow DoS

The vulnerability of the pureinitcall function in the kernel/bpf/core.c module, which supports the BPF interpreter for Linux kernels, is related to synchronization errors when using shared resources. Exploiting this vulnerability can allow an attacker to cause a service failure...

ROS-20260112-7354

A vulnerability in the PROGNAME function of the kernel/bpf/core.c module of the Linux kernel is related to the use of an uninitialized resource. Exploitation of the vulnerability could allow an attacker to cause a denial of service...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-990046)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990046 advisory. In the Linux kernel, the following vulnerability has been resolved: bpf: Avoid uninitialized value in BPFCOREREADBITFIELD Changes from V1: - Use a default branch in...

Linux Kernel BPF Heap Buffer Overflow DoS

The vulnerability of the PROGNAME function in the kernel/bpf/core.c module of the Linux operating system is related to the use of an uninitialized resource. Exploiting this vulnerability could allow a attacker to cause a service failure...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: BPF: Properly handles malformed BPFCORETYPEIDLOCAL relocation records. In the case of malformed relocation records of the BPFCORETYPEIDLOCAL type that reference a non-existent BTF type, the function bpfcorecalcreloinsn may cause ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: BPF: Avoid using an uninitialized value in BPFCOREREADBITFIELD Changes from V1: - A default branch is added to the switch statement to initialize val. GCC warns that val may be used uninitialized in the BPFCREREADBITFIELD macro,...

DEBIAN-CVE-2024-49850

In the Linux kernel, the following vulnerability has been resolved: bpf: correctly handle malformed BPFCORETYPEIDLOCAL relos In case of malformed relocation record of kind BPFCORETYPEIDLOCAL referencing a non-existing BTF type, function bpfcorecalcreloinsn would cause a null pointer deference. Fi...

UBUNTU-CVE-2024-49850

In the Linux kernel, the following vulnerability has been resolved: bpf: correctly handle malformed BPFCORETYPEIDLOCAL relos In case of malformed relocation record of kind BPFCORETYPEIDLOCAL referencing a non-existing BTF type, function bpfcorecalcreloinsn would cause a null pointer deference. Fi...

Linux BPF Core Read Bitfield

The vulnerability of the BPFCOREREADBITFIELD macro definition in the tools/lib/bpf/bpfcoreread.h file of the Linux kernel’s bpf component is related to the absence of initialization for variables. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity,...

PT-2024-33701

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.6.58 Description: A null pointer dereference issue has been identified in the Linux kernel, specifically in the handling of malformed BPF CORE TYPE ID LOCAL relocation records. This occurs when a relocation...

AZL-47412 CVE-2024-42161 affecting package kernel for versions less than 6.6.43.1-7

In the Linux kernel, the following vulnerability has been resolved: bpf: Avoid uninitialized value in BPFCOREREADBITFIELD Changes from V1: - Use a default branch in the switch statement to initialize val'. GCC warns that val' may be used uninitialized in the BPFCREREADBITFIELD macro, defined in...

UBUNTU-CVE-2024-42161

In the Linux kernel, the following vulnerability has been resolved: bpf: Avoid uninitialized value in BPFCOREREADBITFIELD Changes from V1: - Use a default branch in the switch statement to initialize val'. GCC warns that val' may be used uninitialized in the BPFCREREADBITFIELD macro, defined in...

PT-2024-6599

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to an uninitialized value in the BPF CORE READ BITFIELD macro, defined in bpf core read.h. GCC warns that the val variable may be used uninitialized. The...

SUSE CVE-2018-25020

The BPF subsystem in the Linux kernel before 4.17 mishandles situations with a long jump over an instruction sequence where inner instructions require substantial expansions into multiple BPF instructions, leading to an overflow. This affects kernel/bpf/core.c and net/core/filter.c...

UBUNTU-CVE-2018-25020

The BPF subsystem in the Linux kernel before 4.17 mishandles situations with a long jump over an instruction sequence where inner instructions require substantial expansions into multiple BPF instructions, leading to an overflow. This affects kernel/bpf/core.c and net/core/filter.c...