kernel: bpf: Incorrect verifier pruning leads to unsafe code paths being incorrectly marked as safe

An incorrect verifier pruning flaw was found in BPF in the Linux Kernel that may lead to unsafe code paths incorrectly marked as safe, resulting in arbitrary read/writes in kernel memory, lateral privilege escalation, and container escape...

RHEL 8 : kernel-rt (RHSA-2023:7548)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:7548 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirement...

Unbreakable Enterprise kernel-container security update

5.4.17-2136.325.5.el8 - perf symbols: Symbol lookup with kcore can fail if multiple segments match stext Krister Johansen Orabug: 35905508 - char: misc: Increase the maximum number of dynamic misc devices to 1048448 D Scott Phillips Orabug: 35905508 - perf/arm-cmn: Fix invalid pointer when access...

SUSE: Security Advisory (SUSE-SU-2023:4480-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

container-tools:4.0 security and bug fix update

buildah 1:1.24.6-7 - rebuild for CVE-2023-29406 - Related: 2176055 1:1.24.6-6 - rebuild for following CVEs: CVE-2022-41724 CVE-2022-41725 CVE-2023-24538 CVE-2023-24534 CVE-2023-24536 CVE-2022-41723 CVE-2023-24539 CVE-2023-24540 CVE-2023-29400 - Resolves: 2179943 - Resolves: 2187341 - Resolves:...

kernel: bpf: Fix wrong reg type conversion in release_reference()

A flaw was found in the eBPF subsystem in the Linux kernel. When a resource is released, the pointer registers related to the resource are incorrectly converted to the wrong type, allowing kernel pointers to be exposed to unprivileged users...

kernel: bpf: Skip invalid kfunc call in backtrack_insn

In the Linux kernel, the following vulnerability has been resolved: bpf: Skip invalid kfunc call in backtrackinsn The verifier skips invalid kfunc call in checkkfunccall, which would be captured in fixupkfunccall if such insn is not eliminated by dead code elimination. However, this can lead to t...

kernel: bpf, sockmap: Fix repeated calls to sock_put() when msg has more_data

A reference-count flaw was found in the Linux kernel Berkeley Packet Filter BPF sockmap implementation. When processing messages with remaining data, the same Transmission Control Protocol TCP socket reference could be released more than once. A local user running BPF sockmap programs could use...

kernel: bpf: Fix reference state management for synchronous callbacks

A flaw was found in the Linux kernel's BPF verifier. The verifier incorrectly handles reference state management for synchronous callbacks that execute multiple times foreach style helpers. This can lead to reference leaks when callbacks acquire references, or double-free conditions when callback...

kernel: Rate limit overflow messages in r8152 in intr_callback

A vulnerability was found in intrcallback in drivers/net/usb/r8152.c in the BPF component in the Linux Kernel. The manipulation leads to logging excessive data, where an attack can be launched remotely...

kernel: perf/core: Fix perf_output_begin parameter is incorrectly invoked in perf_event_bpf_output

In the Linux kernel, the following vulnerability has been resolved: perf/core: Fix perfoutputbegin parameter is incorrectly invoked in perfeventbpfoutput syzkaller reportes a KASAN issue with stack-out-of-bounds. The call trace is as follows: dumpstack+0x9c/0xd3...

PT-2025-18829 · Linux +2 · Linux Kernel +2

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A vulnerability in the Linux kernel has been resolved, related to the incorrect invocation of the perf output begin parameter in perf event bpf output. This issue causes memory...

SUSE: Security Advisory (SUSE-SU-2023:4287-2)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

SUSE: Security Advisory (SUSE-SU-2023:4287-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

SUSE: Security Advisory (SUSE-SU-2023:4162-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

container-tools:rhel8 bug fix and enhancement update

An update is available for libslirp, module.buildah, module.crun, buildah, fuse-overlayfs, udica, module.oci-seccomp-bpf-hook, module.netavark, module.runc, conmon, module.containers-common, python-podman, module.libslirp, module.aardvark-dns, module.fuse-overlayfs, runc, criu, aardvark-dns,...

Unveiling eBPF: Revolutionizing Security and Observability

An Introduction to Extended BPF and Its Transformative Impact...

USN-6397-1: Linux kernel (BlueField) vulnerabilities

Daniel Moghimi discovered that some IntelR Processors did not properly clear microarchitectural state after speculative execution of various instructions. A local unprivileged user could use this to obtain to sensitive information. CVE-2022-40982 Ruihan Li discovered that the bluetooth subsystem ...

USN-6397-1 linux-bluefield vulnerabilities

Daniel Moghimi discovered that some IntelR Processors did not properly clear microarchitectural state after speculative execution of various instructions. A local unprivileged user could use this to obtain to sensitive information. CVE-2022-40982 Ruihan Li discovered that the bluetooth subsystem ...

Ubuntu 20.04 LTS : Linux kernel (BlueField) vulnerabilities (USN-6397-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6397-1 advisory. Daniel Moghimi discovered that some IntelR Processors did not properly clear microarchitectural state after speculative execution of various instructions...