CVE-2023-0160

CVE-2023-0160 corresponds to a deadlock in the Linux kernel BPF subsystem that can be exploited locally to crash the system. Connected documents confirm the issue arises in the kernel’s eBPF/BPF path and affect Linux kernel versions including Astra Linux references to linux-5.10/5.15. The Amazon ...

CVE-2023-0160 Possibility of deadlock in libbpf function sock_hash_delete_elem

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

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...

CVE-2023-0160 Possibility of deadlock in libbpf function sock_hash_delete_elem

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

Ubuntu 18.04 ESM / 20.04 LTS : dwarves vulnerabilities (USN-6215-1)

The remote Ubuntu 18.04 ESM / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6215-1 advisory. It was discovered that dwarves incorrectly handled certain memory operations under certain circumstances. An attacker could possibly use this...

EulerOS 2.0 SP9 : kernel (EulerOS-SA-2023-2335)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - A deadlock flaw was found in the Linux kernel's BPF subsystem. This flaw allows a local user to potentially crash the system. CVE-2023-0160 - Us...

CVE-2023-2163

Incorrect verifier pruning in BPF in Linux Kernel =5.4 leads to unsafe code paths being incorrectly marked as safe, resulting in arbitrary read/write in kernel memory, lateral privilege escalation, and container escape...

Important: kernel

Issue Overview: In the Linux kernel through 6.2.7, fs/ntfs3/inode.c has an invalid kfree because it does not validate MFT flags before replaying logs. CVE-2022-48425 In the Linux kernel, the following vulnerability has been resolved: binder: fix UAF of alloc-vma in race with munmap CVE-2022-50240...

Medium: kernel

Issue Overview: bpf: incorrect verifier pruning due to missing register precision taints, which may lead to out-of-band read/write access due to an incorrect verifier conclusion. CVE-2023-2163 A use-after-free vulnerability was found in the Linux kernel's ext4 filesystem in the way it handled the...

Medium: kernel

Issue Overview: bpf: incorrect verifier pruning due to missing register precision taints, which may lead to out-of-band read/write access due to an incorrect verifier conclusion. CVE-2023-2163 A use-after-free vulnerability was found in the Linux kernel's ext4 filesystem in the way it handled the...

New Variant of BPFDoor Linux Malware Features Enhanced Encryption and Stealthy Communication

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary A new variant of the Linux malware BPFDoor has been discovered, featuring more robust encryption and reverse shell communication. It uses the BPF to bypass firewall restrictions, allowing threat actors t...

kernel: bpf, test_run: Fix use-after-free issue in eth_skb_pkt_type()

In the Linux kernel, the following vulnerability has been resolved: bpf, testrun: Fix use-after-free issue in ethskbpkttype KMSAN reported a use-after-free issue in ethskbpkttype1. The cause of the issue was that ethskbpkttype accessed skb's data that didn't contain an Ethernet header. This occur...

kernel: bpf, cgroup: Fix kernel BUG in purge_effective_progs

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...

kernel: bpf, x86: fix freeing of not-finalized bpf_prog_pack

In the Linux kernel, the following vulnerability has been resolved: bpf, x86: fix freeing of not-finalized bpfprogpack syzbot reported a few issues with bpfprogpack 1, 2. This only happens with multiple subprogs. In jitsubprogs, we first call bpfintjitcompile on each sub program. And then, we cal...

kernel: BPF: Fix potential bad pointer dereference in bpf_sys_bpf()

In the Linux kernel, the following vulnerability has been resolved: BPF: Fix potential bad pointer dereference in bpfsysbpf The bpfsysbpf helper function allows an eBPF program to load another eBPF program from within the kernel. In this case the argument union bpfattr pointer as well as the insn...

kernel: 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...

kernel: bpf, sockmap: Fix more uncharged while msg has more_data

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix more uncharged while msg has moredata In tcpbpfsendverdict, if msg has more data after tcpbpfsendmsgredir: tcpbpfsendverdict tosend = msg-sg.size //msg-sg.size = 22220 case SKREDIRECT: skmsgreturn //uncharged...

kernel: bpf, sockmap: Fix double uncharge the mem of sk_msg

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix double uncharge the mem of skmsg If tcpbpfsendmsg is running during a tear down operation, psock may be freed. tcpbpfsendmsg tcpbpfsendverdict skmsgreturn tcpbpfsendmsgredir unlikely!psock skmsgfree The mem of m...

PT-2025-26094

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel has been resolved, related to the freeing of not-finalized bpf prog pack. The issue occurs when there are multiple subprogs and jit subprogs is called...

PT-2025-54158

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A buffer overflow issue was identified and resolved in the tcp basertt function within the samples/bpf module of the Linux kernel. The issue stemmed from incorrect size calculations when...