netsniff-ng

////////////////////////////////////////////////////////////////////////////// netsniff-ng - the packet sniffing beast \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ . . netsniff-ng is a free, performant / Linux network analyzer and .' '. networking toolkit. If you...

CVE-2026-98062

A flaw was found in the Linux kernel's Berkeley Packet Filter BPF subsystem. The kernel incorrectly treats certain signal tracepoint arguments as trusted memory pointers, even when special non-pointer indicator values are passed during signal delivery. A local user with privileges to attach BPF...

CVE-2026-98043

A flaw was found in the Linux kernel's Berkeley Packet Filter BPF verifier. The verifier incorrectly assumes that certain pointer types are non-null without accounting for unbounded offsets that can wrap around to zero at runtime. A local user with permissions to load BPF programs can exploit thi...

CVE-2026-98041

A flaw was found in the Linux kernel's Berkeley Packet Filter BPF verifier. The verifier incorrectly predicts that 32-bit conditional branch comparisons between a pointer and zero are always taken, failing to account for valid pointer values whose lower 32 bits can be zero. A local attacker could...

CVE-2026-98040

A flaw was found in the Linux kernel's Berkeley Packet Filter BPF verifier. When validating conditional jump operations using register comparisons against null values, the verifier fails to properly track register precision across different execution paths. A local user capable of loading BPF...

CVE-2026-98019

A flaw was found in the Linux kernel's Berkeley Packet Filter BPF verifier. The verifier failed to mark scalar registers as precise when checking null function arguments and specific helper call parameters, causing its state-tracking logic to improperly prune verification paths. A local attacker...

CVE-2026-98134

A flaw was found in the Linux kernel's Berkeley Packet Filter BPF verifier. During pointer register comparisons, the verifier can incorrectly deduce that a pointer cannot be null when it can actually be null at runtime. A local user with permissions to load BPF programs could exploit this flaw by...

CVE-2026-93270

A flaw was found in the Linux kernel's Berkeley Packet Filter BPF subsystem. When the BPF interpreter processes specific per-CPU instructions instead of using Just-In-Time JIT compilation, it fails to properly handle memory offset calculations. A local user could exploit this flaw by loading a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bpf: Fixed the KASAN use-after-free Read issue in computeeffectiveprogs. Syzbot identified a use-after-free bug in computeeffectiveprogs. The reproducer creates a number of BPF links, causing a failure in the injected allocation...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: bpf: Send signals asynchronously if !preemptible BPF programs can execute in various contexts. When a program running in a non-preemptible context uses the bpfsendsignal function, issues may arise because this function can enter ...

Astra Linux – Vulnerability in Linux

In kernel/bpf/verifier.c in the Linux kernel before version 5.12.13, a branch prediction can be mispredicted e.g., due to type confusion, allowing a non-privileged BPF program to access arbitrary memory locations through a side-channel attack, known as CID-9183671af6db...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: bpf: Fixed the WARN function in getbpfrawtp regs. syzkaller reported an issue: WARNING: CPU: 3 PID: 5971 at kernel/trace/bpftrace.c:1861 getbpfrawtp regs+0xa4/0x100 kernel/trace/bpftrace.c:1861 Modules linked in: CPU: 3 UID: 0...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bpf: Fixed incorrect reg type conversion in releasereference Some helper functions will allocate memory. To avoid memory leaks, the verifier requires the eBPF program to release this memory by calling the corresponding helper...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: BPF: Use VMMAP instead of VMALLOC for the ringbuf area. After the commit 2fd3fb0be1d1 “kasan, vmalloc: unpoison VMALLOC pages after mapping”, non-VMALLOC mappings will be marked as accessible in getvmareanode when KASAN is enable...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: riscv, bpf: Fixed potential NULL dereferencing. The bpfjitbinaryfree function requires a non-NULL argument. When the RISC-V BPF JIT fails to converge within NRJITITERATIONS steps, jitdata-header will be NULL, triggering a NULL...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bpf: Fixed the metadatadst leak in bpfredirectneigh for arguments bpfredirectneighv4,6 Cilium includes a BPF egress gateway feature that forces outgoing Kubernetes Pods’ traffic to pass through dedicated egress gateways. This...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: BPF: The %p% format string is rejected in bprintf-like helpers. static const char fmt = "%p%"; bpfTracePrintkkernel, fmt, sizeoffmt; The above BPF program is not rejected, but it causes a kernel warning at runtime: “Please remove...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Rejects redirects of skmsg messages to non-TCP sockets With a SOCKMAP/SOCKHASH map and a skmsg program, users can direct messages sent from one TCP socket s1 to actually exiting from another TCP socket s2...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject unhashed sockets in bpfskassign The semantics for bpfskassign are as follows: c sk = somelookupfunc bpfskassignskb, sk bpfskreleasesk That is, the sk is not consumed by bpfskassign. Therefore, the function must ensure...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: bpf: Added preemptcountsub,add to the btf id deny list. The recursion checks in bpfprogenter and bpfprogexit leave preemptcountsub,add unprotected. When attaching a trampoline to them, a panic occurs as follows: 867.843050 BUG...