CVE-2025-40123

CVE-2025-40123 affects the Linux kernel BPF tailcalls in the BPF subsystem. A fuzzer found an uninitialized pointer in bpf_prog_test_run_xdp() leading to a NULL pointer dereference when a BPF program accesses txq in an xdp_buff, depending on the program’s expected_attach_type. The root cause is m...

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 LoongArch architecture BPF not supporting struct parameters, which could lead to a kernel crash...

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 Linux kernel that stems from the BPF validator not properly rejecting negative offsets in ALU operations, which could lead to the execution o...

kernel: bpf: put bpf_link's program when link is safe to be deallocated

No description is available for this CVE...

kernel: bpf: Fix deadlock when freeing cgroup storage

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix deadlock when freeing cgroup storage The following commit bc235cdb423a "bpf: Prevent deadlock from recursive bpftaskstorageget|delete" first introduced deadlock prevention for fentry/fexit programs attaching on...

[SECURITY] Fedora 43 Update: bpfman-0.5.4-3.fc43

bpfman operates as an eBPF manager, focusing on simplifying the deployment and administration of eBPF programs...

bpf: Prevent bpf program recursion for raw tracepoint probes

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Unity Linux 20.1070e Security Update: kernel (UTSA-2025-989659)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989659 advisory. 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 Cali...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990378)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990378 advisory. In the Linux kernel, the following vulnerability has been resolved: bpf: Avoid uninitialized value in BPFCOREREADBITFIELD Changes from V1: - Use a default branch in...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989171)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989171 advisory. In the Linux kernel, the following vulnerability has been resolved: bpf: Add oversize check before call kvcalloc Commit 7661809d493b mm: don't allow oversized kvmall...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989183)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989183 advisory. In the Linux kernel, the following vulnerability has been resolved: bpf: Guard against accessing NULL ptregs in bpfgettaskstack taskptregs can return NULL on powerpc...

Astra Linux – Vulnerability in Linux 6.12

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

bpf: Explicitly check accesses to bpf_sock_addr

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riscv, bpf: Sign extend struct ops return values properly

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SUSE 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-2025-40050

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...

UBUNTU-CVE-2025-40079

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-2025-36449

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...