kernel: bpf: Fix re-attachment branch in bpf_tracing_prog_attach

bpf: Fix re-attachment branch in bpftracingprogattach The following case can cause a crash due to missing attachbtf: 1 load rawtp program 2 load fentry program with rawtp as targetfd 3 create tracing link for fentry program with targetfd = 0 4 repeat 3 In the end we have: - prog-aux-dsttrampoline...

kernel: tracing/trigger: Fix to return error if failed to alloc snapshot

In the Linux kernel, the following vulnerability has been resolved: tracing/trigger: Fix to return error if failed to alloc snapshot Fix registersnapshottrigger to return error code if it failed to allocate a snapshot instead of 0 success. Unless that, it will register snapshot trigger without an...

Low: Red Hat Security Advisory: bcc security update

An update for bcc is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE lin...

tracing/timerlat: Drop interface_lock in stop_kthread()

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ALSA-2024:9188 Low: bpftrace security update

BPFtrace is a high-level tracing language for Linux enhanced Berkeley Packet Filter eBPF available in recent Linux kernels 4.x. BPFtrace uses LLVM as a backend to compile scripts to BPF-bytecode and makes use of BCC for interacting with the Linux BPF system, as well as existing Linux tracing...

Low: bpftrace security update

BPFtrace is a high-level tracing language for Linux enhanced Berkeley Packet Filter eBPF available in recent Linux kernels 4.x. BPFtrace uses LLVM as a backend to compile scripts to BPF-bytecode and makes use of BCC for interacting with the Linux BPF system, as well as existing Linux tracing...

RHEL 9 : bcc (RHSA-2024:9187)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2024:9187 advisory. BPF Compiler Collection BCC is a toolkit for easier creation of efficient kernel tracing and manipulation programs. BCC uses the extended Berkeley...

Unbreakable Enterprise kernel security update

5.4.17-2136.337.5 - net/mlx5: disable the 'fast unload' feature on Exadata systems Qing Huang Orabug: 37093177 5.4.17-2136.337.4 - ocfs2: reserve space for inline xattr before attaching reflink tree Gautham Ananthakrishna Orabug: 37199020 - Revert 'ocfs2: ocfs2 crash due to invalid hnextleafblk...

RLSA-2024:8830 Low: bpftrace security update

BPFtrace is a high-level tracing language for Linux enhanced Berkeley Packet Filter eBPF available in recent Linux kernels 4.x. BPFtrace uses LLVM as a backend to compile scripts to BPF-bytecode and makes use of BCC for interacting with the Linux BPF system, as well as existing Linux tracing...

RLSA-2024:8831 Low: bcc security update

BPF Compiler Collection BCC is a toolkit for easier creation of efficient kernel tracing and manipulation programs. BCC uses the extended Berkeley Packet Filter eBPF tool. Security Fixes: bcc: unprivileged users can force loading of compromised linux headers CVE-2024-2314 For more details about t...

CVE-2024-50194 arm64: probes: Fix uprobes for big-endian kernels

In the Linux kernel, the following vulnerability has been resolved: arm64: probes: Fix uprobes for big-endian kernels The arm64 uprobes code is broken for big-endian kernels as it doesn't convert the in-memory instruction encoding which is always little-endian into the kernel's native endianness...

SUSE CVE-2024-50154

In the Linux kernel, the following vulnerability has been resolved: tcp/dccp: Don't use timerpending in reqskqueueunlink. Martin KaFai Lau reported use-after-free 0 in reqsktimerhandler. """ We are seeing a use-after-free from a bpf prog attached to tracetcpretransmitsynack. The program passes th...

Unmasking Phishing: Strategies for identifying 0ktapus domains and beyond

Wiz Research looks at phishing tactics, along with how to trace and investigate these campaigns...

DEBIAN-CVE-2024-50154

In the Linux kernel, the following vulnerability has been resolved: tcp/dccp: Don't use timerpending in reqskqueueunlink. Martin KaFai Lau reported use-after-free 0 in reqsktimerhandler. """ We are seeing a use-after-free from a bpf prog attached to tracetcpretransmitsynack. The program passes th...

UBUNTU-CVE-2024-50154

In the Linux kernel, the following vulnerability has been resolved: tcp/dccp: Don't use timerpending in reqskqueueunlink. Martin KaFai Lau reported use-after-free 0 in reqsktimerhandler. """ We are seeing a use-after-free from a bpf prog attached to tracetcpretransmitsynack. The program passes th...

Linux kernel buffer overflow vulnerability (CNVD-2024-45896)

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. Linux kernel suffers from a buffer overflow vulnerability that stems from the tracing module not considering the NULL character when validating event lengths, which can be...

USN-7088-3: Linux kernel vulnerabilities

Ziming Zhang discovered that the VMware Virtual GPU DRM driver in the Linux kernel contained an integer overflow vulnerability. A local attacker could use this to cause a denial of service system crash. CVE-2022-36402 Several security issues were discovered in the Linux kernel. An attacker could...

SUSE CVE-2024-50131

In the Linux kernel, the following vulnerability has been resolved: tracing: Consider the NULL character when validating the event length strlen returns a string length excluding the null byte. If the string length equals to the maximum buffer length, the buffer will have no space for the NULL...

SUSE CVE-2024-50132

In the Linux kernel, the following vulnerability has been resolved: tracing/probes: Fix MAXTRACEARGS limit handling When creating a traceprobe we would set nrargs prior to truncating the arguments to MAXTRACEARGS. However, we would only initialize arguments up to the limit. This caused invalid...

CVE-2024-50132

In the Linux kernel, the following vulnerability has been resolved: tracing/probes: Fix MAXTRACEARGS limit handling When creating a traceprobe we would set nrargs prior to truncating the arguments to MAXTRACEARGS. However, we would only initialize arguments up to the limit. This caused invalid...