DEBIAN-CVE-2025-39748

In the Linux kernel, the following vulnerability has been resolved: bpf: Forget ranges when refining tnum after JSET Syzbot reported a kernel warning due to a range invariant violation on the following BPF program. 0: call bpfgetnetnscookie 1: if r0 == 0 goto 2: if r0 & Oxffffffff goto The issue ...

CVE-2025-39748 bpf: Forget ranges when refining tnum after JSET

In the Linux kernel, the following vulnerability has been resolved: bpf: Forget ranges when refining tnum after JSET Syzbot reported a kernel warning due to a range invariant violation on the following BPF program. 0: call bpfgetnetnscookie 1: if r0 == 0 goto 2: if r0 & Oxffffffff goto The issue ...

CVE-2025-39748

CVE-2025-39748 - Linux kernel BPF verifier issue (JSET) patched Root cause: A verifier range refinement bug after JSET could produce inconsistent register bounds on an unreachable path, due to not forgetting ranges after narrowing tnums post-JSET. Impact: Local access to kernel may be affected; C...

CVE-2025-39748

In the Linux kernel, the following vulnerability has been resolved: bpf: Forget ranges when refining tnum after JSET Syzbot reported a kernel warning due to a range invariant violation on the following BPF program. 0: call bpfgetnetnscookie 1: if r0 == 0 goto 2: if r0 & Oxffffffff goto The issue ...

CVE-2025-39748 bpf: Forget ranges when refining tnum after JSET

In the Linux kernel, the following vulnerability has been resolved: bpf: Forget ranges when refining tnum after JSET Syzbot reported a kernel warning due to a range invariant violation on the following BPF program. 0: call bpfgetnetnscookie 1: if r0 == 0 goto 2: if r0 & Oxffffffff goto The issue ...

Oracle Linux 8 : kernel (ELSA-2025-15471)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2025-15471 advisory. - posix-cpu-timers: fix race between handleposixcputimers and posixcputimerdel Oleg Nesterov RHEL-112775 CVE-2025-38352 - bpf: Don't use tnumrange on...

PT-2025-39143

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw related to memory management within the bpf Berkeley Packet Filter subsystem. Specifically, the issue arises from calling bpf map kmalloc node from bpf...

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...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: smb: client: Avoid race in opencacheddir with lease breaks CVE-2025-37954 In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsetpipapo: prevent overflow in lookup table allocation...

ALSA-2025:15472 Important: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: bpf: Don't use tnumrange on array range checking for poke descriptors CVE-2022-49985 kernel: posix-cpu-timers: fix race between...

Important: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: bpf: Don't use tnumrange on array range checking for poke descriptors CVE-2022-49985 kernel: posix-cpu-timers: fix race between...

UBUNTU-CVE-2025-38734

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix UAF on smcsk after smclistenout BPF CI testing report a UAF issue: 16.446633 BUG: kernel NULL pointer dereference, address: 000000000000003 0 16.447134 PF: supervisor read access in kernel mod e 16.447516 PF:...

SUSE CVE-2025-38723

In the Linux kernel, the following vulnerability has been resolved: LoongArch: BPF: Fix jump offset calculation in tailcall The extra pass of bpfintjitcompile skips JIT context initialization which essentially skips offset calculation leaving outoffset = -1, so the jmpoffset in emitbpftailcall is...

DEBIAN-CVE-2025-38723

In the Linux kernel, the following vulnerability has been resolved: LoongArch: BPF: Fix jump offset calculation in tailcall The extra pass of bpfintjitcompile skips JIT context initialization which essentially skips offset calculation leaving outoffset = -1, so the jmpoffset in emitbpftailcall is...

AZL-66791 CVE-2025-38723 affecting package kernel for versions less than 6.6.104.2-1

In the Linux kernel, the following vulnerability has been resolved: LoongArch: BPF: Fix jump offset calculation in tailcall The extra pass of bpfintjitcompile skips JIT context initialization which essentially skips offset calculation leaving outoffset = -1, so the jmpoffset in emitbpftailcall is...

bpf: Reject narrower access to pointer ctx fields

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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 a miscalculation of the jump offset in the LoongArch architecture BPF tail call, which could lead to a soft...

bpf: Cancel the running bpf_timer through kworker for PREEMPT_RT

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bpf: Fail verification for sign-extension of packet data/data_end/data_meta

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VulnCheck KEV: 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...