CVE-2026-43030

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix regsafe for pointers to packet In case rold-reg-range == BEYONDPKTEND && rcur-reg-range == N regsafe may return true which may lead to current state with valid packet range not being explored. Fix the bug...

CVE-2026-43030

CVE-2026-43030 affects the Linux kernel BPF subsystem (regsafe). A logic error in regsafe() for pointers to packets when rold->reg->range == BEYOND_PKT_END and rcur->reg->range == N could allow a state where valid packet ranges are not explored, potentially enabling privilege escalati...

CVE-2026-43030 bpf: Fix regsafe() for pointers to packet

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix regsafe for pointers to packet In case rold-reg-range == BEYONDPKTEND && rcur-reg-range == N regsafe may return true which may lead to current state with valid packet range not being explored. Fix the bug...

CVE-2026-43030 bpf: Fix regsafe() for pointers to packet

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix regsafe for pointers to packet In case rold-reg-range == BEYONDPKTEND && rcur-reg-range == N regsafe may return true which may lead to current state with valid packet range not being explored. Fix the bug...

CVE-2026-43009 bpf: Fix incorrect pruning due to atomic fetch precision tracking

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix incorrect pruning due to atomic fetch precision tracking When backtrackinsn encounters a BPFSTX instruction with BPFATOMIC and BPFFETCH, the src register or r0 for BPFCMPXCHG also acts as a destination, thus receiving th...

CVE-2026-43009

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix incorrect pruning due to atomic fetch precision tracking When backtrackinsn encounters a BPFSTX instruction with BPFATOMIC and BPFFETCH, the src register or r0 for BPFCMPXCHG also acts as a destination, thus receiving th...

EUVD-2026-26608

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix incorrect pruning due to atomic fetch precision tracking When backtrackinsn encounters a BPFSTX instruction with BPFATOMIC and BPFFETCH, the src register or r0 for BPFCMPXCHG also acts as a destination, thus receiving th...

CVE-2026-43009

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix incorrect pruning due to atomic fetch precision tracking When backtrackinsn encounters a BPFSTX instruction with BPFATOMIC and BPFFETCH, the src register or r0 for BPFCMPXCHG also acts as a destination, thus receiving th...

CVE-2026-31779 wifi: iwlwifi: mvm: fix potential out-of-bounds read in iwl_mvm_nd_match_info_handler()

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: fix potential out-of-bounds read in iwlmvmndmatchinfohandler The memcpy function assumes the dynamic array notif-matches is at least as large as the number of bytes to copy. Otherwise, results-matches may...

CVE-2026-31700 net/packet: fix TOCTOU race on mmap'd vnet_hdr in tpacket_snd()

In the Linux kernel, the following vulnerability has been resolved: net/packet: fix TOCTOU race on mmap'd vnethdr in tpacketsnd In tpacketsnd, when PACKETVNETHDR is enabled, vnethdr points directly into the mmap'd TX ring buffer shared with userspace. The kernel validates the header via...

CVE-2026-31700

Summary (CVE-2026-31700): In the Linux kernel, a TOCTOU race in tpacket_snd() when PACKET_VNET_HDR is enabled allows a user-space race on vnet_hdr fields between validation and use, bypassing safety checks. The vulnerability affects the mmap’d TX ring buffer where vnet_hdr points into user-contro...

CVE-2026-31700 net/packet: fix TOCTOU race on mmap'd vnet_hdr in tpacket_snd()

In the Linux kernel, the following vulnerability has been resolved: net/packet: fix TOCTOU race on mmap'd vnethdr in tpacketsnd In tpacketsnd, when PACKETVNETHDR is enabled, vnethdr points directly into the mmap'd TX ring buffer shared with userspace. The kernel validates the header via...

EUVD-2026-26509

In the Linux kernel, the following vulnerability has been resolved: net/packet: fix TOCTOU race on mmap'd vnethdr in tpacketsnd In tpacketsnd, when PACKETVNETHDR is enabled, vnethdr points directly into the mmap'd TX ring buffer shared with userspace. The kernel validates the header via...

CVE-2025-63547

The Eprosima Micro-XRCE-DDS Agent (v.3.0.1) is vulnerable to a denial of service (DoS) attack. A remote attacker can exploit this issue by sending a crafted packet targeting the MTU length field . While the vulnerability is documented across multiple sources, no specific fix or patched version is...

CVE-2025-63548

An issue in Eprosima Micro-XREC-DDS Agent v.3.0.1 allows a remote attacker to cause a denial of service via a packet specially crafted to bear a non-valid value in any Boolean field...

Linux Kernel Security Vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from an error in the checking of packet pointers by the regsafe function in bpf, which could result in valid pack...

CVE-2025-63548: Improper Handling of Unexpected Data Type

An issue in Eprosima Micro-XREC-DDS Agent v.3.0.1 allows a remote attacker to cause a denial of service via a packet specially crafted to bear a non-valid value in any Boolean field...

PT-2026-36524

Name of the Vulnerable Software and Affected Versions Eprosima Micro-XREC-DDS Agent version 3.0.1 Description A remote attacker can cause a denial of service by sending a crafted packet to the MTU length field. Recommendations At the moment, there is no information about a newer version that...

CVE-2025-63547

An issue in Eprosima Micro-XREC-DDS Agent v.3.0.1 allows a remote attacker to cause a denial of service via a crafted packet to the MTU length field...

CVE-2025-63548

The Eprosima Micro-XREC-DDS Agent version 3.0.1 is vulnerable to a denial of service (DoS) attack. The root cause is the improper handling of non-valid values in Boolean fields , which can be triggered by a remote attacker sending a specially crafted packet. As of the provided documents, no newer...