PT-2024-14689

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue is related to the Linux kernel's Berkeley Packet Filter BPF functionality, where the arithmetic for checking stack bounds was done in the 32-bit domain, potentially leading to...

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...

Meta Katran Security Vulnerability

Meta Katran is a C++ library and BPF program from Meta Corporation. It is used to build high-performance Layer 4 load-balanced forwarding planes. A security vulnerability exists in Meta Katran that stems from the ability to expose uninitialized kernel memory as part of an IP header...

kernel: LSM: general protection fault in legacy_parse_param

In the Linux kernel, the following vulnerability has been resolved: LSM: general protection fault in legacyparseparam The usual LSM hook "bail on fail" scheme doesn't work for cases where a security module may return an error code indicating that it does not recognize an input. In this particular...

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: bpf: Skip task with pid=1 in send_signal_common()

In the Linux kernel, the following vulnerability has been resolved: bpf: Skip task with pid=1 in sendsignalcommon The following kernel panic can be triggered when a task with pid=1 attaches a prog that attempts to send killing signal to itself, also see 1 for more details: Kernel panic - not...

kernel: bpf, arm64: Fixed a BTI error on returning to patched function

A control-flow integrity flaw was found in the Linux kernel on the arm64 architecture within the extended Berkeley Packet Filter trampoline return path. Returning to a patched function with an instruction sequence that fails the branch-target security check can trigger an exception and panic. A...

Kernel: ebpf: insufficient stack type checks in dynptr

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UBUNTU-CVE-2023-39191

An improper input validation flaw was found in the eBPF subsystem in the Linux kernel. The issue occurs due to a lack of proper validation of dynamic pointers within user-supplied eBPF programs prior to executing them. This may allow an attacker with CAPBPF privileges to escalate privileges and...

SUSE CVE-2023-39191

An improper input validation flaw was found in the eBPF subsystem in the Linux kernel. The issue occurs due to a lack of proper validation of dynamic pointers within user-supplied eBPF programs prior to executing them. This may allow an attacker with CAPBPF privileges to escalate privileges and...

Linux kernel 安全漏洞

Linux Kernel is an open source operating system. A security vulnerability exists in the Linux Kernel eBPF processing, which can be exploited by a local attacker to submit a special request that can elevate privileges...

PT-2023-9747 · Linux +2 · Linux Kernel +2

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to the BPF Berkeley Packet Filter program in the Linux kernel. When the bpf throw kfunc is called, it triggers dead code elimination in an unprecedented way, causi...

CLSA-2023-1693426883 kernel: Fix of 20 CVEs

netfilter: nftsetpipapo: fix improper element removal CVE-2023-4004 - net: tun: fix bugs for oversize packet when napi frags enabled CVE-2023-3812 - net/sched: clsfw: Fix improper refcount update leads to use-after-free CVE-2023-3776 - net/sched: schqfq: account for stab overhead in qfqenqueue...

Linux Kernel BPF usdt.c parse_usdt_arg memory leak

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CVE-2023-0160

A deadlock flaw was found in the Linux kernel’s BPF subsystem. This flaw allows a local user to potentially crash the system...

DEBIAN-CVE-2023-0160

A deadlock flaw was found in the Linux kernel’s BPF subsystem. This flaw allows a local user to potentially crash the system...

Important: kernel

Issue Overview: A flaw was found in the x86 KVM subsystem in kvmstealtimesetpreempted in arch/x86/kvm/x86.c in the Linux kernel. Unprivileged guest users can compromise the guest kernel because TLB flush operations are mishandled in certain KVMVCPUPREEMPTED situations. CVE-2022-39189 In the Linux...

New Stealthy Variant of Linux Backdoor BPFDoor Emerges from the Shadows

A previously undocumented and mostly undetected variant of a Linux backdoor called BPFDoor has been spotted in the wild, cybersecurity firm Deep Instinct said in a technical report published this week. "BPFDoor retains its reputation as an extremely stealthy and difficult-to-detect malware with...

kernel: bpf: Fix combination of jit blinding and pointers to bpf subprogs.

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix combination of jit blinding and pointers to bpf subprogs. The combination of jit blinding and pointers to bpf subprogs causes: 36.989548 BUG: unable to handle page fault for address: 0000000100000001 36.990342 PF:...

kernel: bpf, arm64: Fixed a BTI error on returning to patched function

A control-flow integrity flaw was found in the Linux kernel on the arm64 architecture within the extended Berkeley Packet Filter trampoline return path. Returning to a patched function with an instruction sequence that fails the branch-target security check can trigger an exception and panic. A...