CVE-2022-49985

In the Linux kernel, the following vulnerability has been resolved: bpf: Don't use tnumrange on array range checking for poke descriptors Hsin-Wei reported a KASAN splat triggered by their BPF runtime fuzzer which is based on a customized syzkaller: BUG: KASAN: slab-out-of-bounds in...

CVE-2022-49985 bpf: Don't use tnum_range on array range checking for poke descriptors

In the Linux kernel, the following vulnerability has been resolved: bpf: Don't use tnumrange on array range checking for poke descriptors Hsin-Wei reported a KASAN splat triggered by their BPF runtime fuzzer which is based on a customized syzkaller: BUG: KASAN: slab-out-of-bounds in...

CVE-2022-49985 bpf: Don't use tnum_range on array range checking for poke descriptors

In the Linux kernel, the following vulnerability has been resolved: bpf: Don't use tnumrange on array range checking for poke descriptors Hsin-Wei reported a KASAN splat triggered by their BPF runtime fuzzer which is based on a customized syzkaller: BUG: KASAN: slab-out-of-bounds in...

CVE-2022-49975

CVE-2022-49975 affects the Linux kernel’s BPF path, where a redirect of packets with invalid pkt_len could occur. The root cause is described as a BPF program test/run path (bpf_prog_test_run_skb) redirecting empty skbs, leading to a potential flow handling issue in fq_codel_drop(). The vulnerabi...

CVE-2022-49970

In the Linux kernel, the following vulnerability has been resolved: bpf, cgroup: Fix kernel BUG in purgeeffectiveprogs Syzkaller reported a triggered kernel BUG as follows: ------------ cut here ------------ kernel BUG at kernel/bpf/cgroup.c:925! invalid opcode: 0000 1 PREEMPT SMP NOPTI CPU: 1 PI...

CVE-2025-38060 bpf: copy_verifier_state() should copy 'loop_entry' field

In the Linux kernel, the following vulnerability has been resolved: bpf: copyverifierstate should copy 'loopentry' field The bpfverifierstate.loopentry state should be copied by copyverifierstate. Otherwise, .loopentry values from unrelated states would poison env-curstate. Additionally, env-stac...

Linux kernel 安全漏洞

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 bpf not marking ARGCONSTALLOCSIZEORZERO precision, which could result in a status error...

CVE-2025-37959 bpf: Scrub packet on bpf_redirect_peer

In the Linux kernel, the following vulnerability has been resolved: bpf: Scrub packet on bpfredirectpeer When bpfredirectpeer is used to redirect packets to a device in another network namespace, the skb isn't scrubbed. That can lead skb information from one namespace to be "misused" in another...

CVE-2022-49840

In the Linux kernel, the following vulnerability has been resolved: bpf, testrun: Fix alignment problem in bpfprogtestrunskb We got a syzkaller problem because of aarch64 alignment fault if KFENCE enabled. When the size from user bpf program is an odd number, like 399, 407, etc, it will cause the...

CVE-2022-49873

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

CVE-2025-37893

LoongArch LoongArch: BPF vulnerability fixed in arch/loongarch/net/bpf_jit.c: build_prologue() had an off-by-one error in JIT epilogue generation when mixing bpf2bpf and tailcalls. The first pass sets flags, the second emits N+1 instructions instead of N, causing epilogue_offset to be off and pot...

CVE-2025-37893 LoongArch: BPF: Fix off-by-one error in build_prologue()

In the Linux kernel, the following vulnerability has been resolved: LoongArch: BPF: Fix off-by-one error in buildprologue Vincent reported that running BPF progs with tailcalls on LoongArch causes kernel hard lockup. Debugging the issues shows that the JITed image missing a jirl instruction at th...

CVE-2025-22087

Technical details about CVE-2025-22087 are not provided in the connected documents. The description outlines kernel stack/array bounds handling but no public advisories, affected products/versions, or mitigations are given here. Monitor for updates.

CVE-2025-22048 LoongArch: BPF: Don't override subprog's return value

In the Linux kernel, the following vulnerability has been resolved: LoongArch: BPF: Don't override subprog's return value The verifier test calls: div by 0 in subprog triggers a panic at the ld.bu instruction. The ld.bu insn is trying to load byte from memory address returned by the subprog. The...

CVE-2023-53024

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix pointer-leak due to insufficient speculative store bypass mitigation To mitigate Spectre v4, 2039f26f3aca "bpf: Fix leakage due to insufficient speculative store bypass mitigation" inserts lfence instructions after 1...

CVE-2024-58060

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject structops registration that uses module ptr and the module btfid is missing There is a UAF report in the bpfstructops when CONFIGMODULES=n. In particular, the report is on tcpcongestionops that has a "struct module...

CVE-2025-21728 bpf: Send signals asynchronously if !preemptible

In the Linux kernel, the following vulnerability has been resolved: bpf: Send signals asynchronously if !preemptible BPF programs can execute in all kinds of contexts and when a program running in a non-preemptible context uses the bpfsendsignal kfunc, it will cause issues because this kfunc can...

CVE-2022-49548

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix potential array overflow in bpftrampolinegetprogs The cnt value in the 'cnt = BPFMAXTRAMPPROGS' check does not include BPFTRAMPMODIFYRETURN bpf programs, so the number of the attached BPFTRAMPMODIFYRETURN bpf programs in...

CVE-2022-49697 bpf: Fix request_sock leak in sk lookup helpers

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix requestsock leak in sk lookup helpers A customer reported a requestsocket leak in a Calico cloud environment. We found that a BPF program was doing a socket lookup with takes a refcnt on the socket and that it was findin...

CVE-2022-49658

CVE-2022-49658 concerns the Linux kernel’s BPF bounds propagation. The issue stems from insufficient propagation of tnum min/max bounds into register bounds during operations like adjust_scalar_min_max_vals, allowing a register that becomes a constant-like value to leak pointers when it is later ...