Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: bpf: Fixed the exception exit lock checking for subprogs. The processbpfexitfull function passes checklock = !curframe to checkresourceleak, which results in a false negative when bpfthrow is called from a static subprog. This...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In the bpf code, there is a fix for a use-after-free of sk-sksocket in skpsockverdictdataready. The syzbot reported a use-after-free of the sk-sksocket of an AFUNIX socket in skpsockverdictdataready. 0 In the unixstreamsendmsg...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: HID: bpf: preventing buffer overflow in hidhwrequest. Currently, the returned value is considered to be always valid. However, when working with HID-BPF, the returned value can be arbitrarily large, because it is the returned val...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bpf: Failure in bpftimercancel when the callback is being cancelled Given a schedule: timer1 cb timer2 cb bpftimercanceltimer2; bpftimercanceltimer1; Both bpftimercancel calls will wait for the other callback to complete executio...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: BPF: bpfskstorage: Fixed invalid wait context lockdep report "The ./testprogs -t testlocalstorage" command reported a splat error: 27.137569 ============================= 27.138122 BUG: Invalid wait context 27.138650...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: BPF: Zeroing allocated objects from slabs in the BPF memory allocator Currently, the freed elements in the BPF memory allocator may be reused immediately. For the htab map, reusing these elements will reinitialize special fields ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: For bpf on x86 architecture, there’s a fix for the issue where bpfprogpack isn’t properly freed after it’s deallocated. The syzbot reported several issues with bpfprogpack 1, 2. This issue only occurs when multiple subprogs ar...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bpf: Support deferring bpflink deallocation to after RCU grace period For some program types, the “bpflink” is passed as a “context” that can be used by those BPF programs to retrieve additional information. For example, for...

Linux Distros Unpatched Vulnerability : CVE-2026-43333

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bpf: reject direct access to nullable PTRTOBUF pointers checkmemaccess matches PTRTOBUF via basetype which strips PTRMAYBENULL, allowing direct dereference...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021534)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021534 advisory. A deadlock flaw was found in the Linux kernels BPF subsystem. This flaw allows a local user to potentially crash the system. Tenable has extracted the preceding...

kernel: bpf: fix ktls panic with sockmap

In the Linux kernel, the following vulnerability has been resolved: bpf: fix ktls panic with sockmap 2172.936997 ------------ cut here ------------ 2172.936999 kernel BUG at lib/ioviter.c:629! ...... 2172.944996 PKRU: 55555554 2172.945155 Call Trace: 2172.945299 2172.945428 ? die+0x36/0x90...

kernel: bpf: Do not include stack ptr register in precision backtracking bookkeeping

In the Linux kernel, the following vulnerability has been resolved: bpf: Do not include stack ptr register in precision backtracking bookkeeping Yi Lai reported an issue 1 where the following warning appears in kernel dmesg: 60.643604 verifier backtracking bug 60.643635 WARNING: CPU: 10 PID: 2315...

kernel: tcp_bpf: Fix the sk_mem_uncharge logic in tcp_bpf_sendmsg

In the Linux kernel, the following vulnerability has been resolved: tcpbpf: Fix the skmemuncharge logic in tcpbpfsendmsg The current sk memory accounting logic in SKREDIRECT is pre-uncharging tosend bytes, which is either msg-sg.size or a smaller value applybytes. Potential problems with this...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

kernel: bpf: Check rcu_read_lock_trace_held() in bpf_map_lookup_percpu_elem()

In the Linux kernel, the following vulnerability has been resolved: bpf: Check rcureadlocktraceheld in bpfmaplookuppercpuelem bpfmaplookuppercpuelem helper is also available for sleepable bpf program. When BPF JIT is disabled or under 32-bit host, bpfmaplookuppercpuelem will not be inlined. Using...

RHEL 10 : kernel (RHSA-2026:18134)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:18134 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: tcpbpf: Fix the skmemuncharg...

OpenTelemetry eBPF Instrumentation: Java TLS ioctl kprobe allows kernel memory disclosure

Summary The Java TLS ioctl probe reads user-controlled ioctl pointers with bpfproberead instead of bpfprobereaduser. An instrumented local process can therefore point OBI at kernel memory and cause that memory to be copied into telemetry. Details The vulnerable path is in...

PT-2026-41788

Name of the Vulnerable Software and Affected Versions OpenTelemetry eBPF Instrumentation versions prior to 0.9.0 Description The Java TLS ioctl probe incorrectly uses the bpf probe read function instead of bpf probe read user when reading user-controlled ioctl pointers. This occurs within the do...

PT-2026-41785

Name of the Vulnerable Software and Affected Versions OpenTelemetry eBPF Instrumentation versions prior to 0.9.0 Description OpenTelemetry eBPF Instrumentation OBI replays BPF probe hits into histogram observations by looping once per recorded run count. On busy systems, the run-count delta can...

USN-8180-6: Linux kernel (Raspberry Pi) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - Block layer subsystem; - Drivers core; - Bluetooth drivers; - DMA engine subsystem; - GPU...