EUVD-2025-36449

In the Linux kernel, the following vulnerability has been resolved: riscv, bpf: Sign extend struct ops return values properly The nsbpfqdisc selftest triggers a kernel panic: Unable to handle kernel paging request at virtual address ffffffffa38dbf58 Current testprogs pgtable: 4K pagesize, 57-bit...

EUVD-2025-36478

In the Linux kernel, the following vulnerability has been resolved: bpf: Skip scalar adjustment for BPFNEG if dst is a pointer In checkaluop, the verifier currently calls checkregarg and adjustscalarminmaxvals unconditionally for BPFNEG operations. However, if the destination register holds a...

CVE-2025-40050

In the Linux kernel, the following vulnerability has been resolved: bpf: Skip scalar adjustment for BPFNEG if dst is a pointer In checkaluop, the verifier currently calls checkregarg and adjustscalarminmaxvals unconditionally for BPFNEG operations. However, if the destination register holds a...

CVE-2025-40041

CVE-2025-40041 documents a LoongArch-specific fix in the Linux kernel: BPF sign-extension of struct ops return values was incorrect, causing a kernel panic in ns_bpf_qdisc. Affected code path: sign-extending a 32-bit skb pointer to 64-bit in the epilogue for struct ops instead of using LoongArch ...

CVE-2025-40041

In the Linux kernel, the following vulnerability has been resolved: LoongArch: BPF: Sign-extend struct ops return values properly The nsbpfqdisc selftest triggers a kernel panic: Oops1: CPU 0 Unable to handle kernel paging request at virtual address 0000000000741d58, era == 90000000851b5ac0, ra =...

CVE-2025-40041 LoongArch: BPF: Sign-extend struct ops return values properly

In the Linux kernel, the following vulnerability has been resolved: LoongArch: BPF: Sign-extend struct ops return values properly The nsbpfqdisc selftest triggers a kernel panic: Oops1: CPU 0 Unable to handle kernel paging request at virtual address 0000000000741d58, era == 90000000851b5ac0, ra =...

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 the return value of a BPF structure operation not being correctly symbolically expanded, which could cause t...

bpf: Fix combination of jit blinding and pointers to bpf subprogs.

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ALPINE-CVE-2025-40778

Under certain circumstances, BIND is too lenient when accepting records from answers, allowing an attacker to inject forged data into the cache. This issue affects BIND 9 versions 9.11.0 through 9.16.50, 9.18.0 through 9.18.39, 9.20.0 through 9.20.13, 9.21.0 through 9.21.12, 9.11.3-S1 through...

EUVD-2023-60023

In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix out-of-bounds access in ipv6findtlv optlen is fetched without checking whether there is more than one byte to parse. It can lead to out-of-bounds access. Found by InfoTeCS on behalf of Linux Verification Center...

EUVD-2023-60031

In the Linux kernel, the following vulnerability has been resolved: nvdimm: Fix memleak of pmu attrgroups in unregisternvdimmpmu Memory pointed by 'ndpmu-pmu.attrgroups' is allocated in function 'registernvdimmpmu' and is lost after 'kfreendpmu' call in function 'unregisternvdimmpmu'...

LinkPro Linux Rootkit Uses eBPF to Hide and Activates via Magic TCP Packets

An investigation into the compromise of an Amazon Web Services AWS-hosted infrastructure has led to the discovery of a new GNU/Linux rootkit dubbed LinkPro , according to findings from Synacktiv. "This backdoor features functionalities relying on the installation of two eBPF extended Berkeley...

LinkPro Linux Rootkit Uses eBPF to Hide and Activates via Magic TCP Packets

An investigation into the compromise of an Amazon Web Services AWS-hosted infrastructure has led to the discovery of a new GNU/Linux rootkit dubbed LinkPro , according to findings from Synacktiv. "This backdoor features functionalities relying on the installation of two eBPF extended Berkeley...

EUVD-2025-34583

In the Linux kernel, the following vulnerability has been resolved: bpf: Check the helper function is valid in gethelperproto kernel test robot reported verifier bug 1 where the helper func pointer could be NULL due to disabled config option. As Alexei suggested we could check on that in...

CVE-2025-39990 bpf: Check the helper function is valid in get_helper_proto

In the Linux kernel, the following vulnerability has been resolved: bpf: Check the helper function is valid in gethelperproto kernel test robot reported verifier bug 1 where the helper func pointer could be NULL due to disabled config option. As Alexei suggested we could check on that in...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.6 Telecommunications Update Service. Red Hat Product Security has rated this update as...

Linux Distros Unpatched Vulnerability : CVE-2023-53645

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: bpf: Make bpfrefcountacquire fallible for non-owning refs This patch fixes an incorrect...

The vulnerability of the function within the __bpf_async_init() module in the kernel/bpf/helpers.c file of the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the function within the bpfasyncinit module in the kernel/bpf/helpers.c file of the Linux operating system is related to improper locking mechanisms. Exploiting this vulnerability could allow an attacker to cause a service failure...

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...

CVE-2023-53660

In the Linux kernel, the following vulnerability has been resolved: bpf, cpumap: Handle skb as well when clean up ptrring The following warning was reported when running xdpredirectcpu with both skb-mode and stress-mode enabled: ------------ cut here ------------ Incorrect XDP memory type...