CVE-2024-56720

The CVE-2024-56720 issue affects the Linux kernel’s BPF sockmap/bpf_msg_pop_data handling. The fixed changes address bpf_msg_pop_data in sk_msg_shift_left, including: using put_page in sk_msg_shift_left; returning early when len == 0; supporting popping the entire sk_msg (last == msg->sg.size)...

CVE-2024-56720

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Several fixes to bpfmsgpopdata Several fixes to bpfmsgpopdata, 1. In skmsgshiftleft, we should putpage 2. if len == 0, return early is better 3. pop the entire skmsg last == msg-sg.size should be supported 4. Fix fo...

CVE-2024-56720 bpf, sockmap: Several fixes to bpf_msg_pop_data

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Several fixes to bpfmsgpopdata Several fixes to bpfmsgpopdata, 1. In skmsgshiftleft, we should putpage 2. if len == 0, return early is better 3. pop the entire skmsg last == msg-sg.size should be supported 4. Fix fo...

CVE-2024-56720 bpf, sockmap: Several fixes to bpf_msg_pop_data

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Several fixes to bpfmsgpopdata Several fixes to bpfmsgpopdata, 1. In skmsgshiftleft, we should putpage 2. if len == 0, return early is better 3. pop the entire skmsg last == msg-sg.size should be supported 4. Fix fo...

SUSE CVE-2024-56694

In the Linux kernel, the following vulnerability has been resolved: bpf: fix recursive lock when verdict program return SKPASS When the streamverdict program returns SKPASS, it places the received skb into its own receive queue, but a recursive lock eventually occurs, leading to an operating syst...

PT-2024-37033

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue concerns several fixes to bpf msg pop data in the Linux kernel, specifically in the bpf and sockmap components. The fixes address various problems, including the need to put pa...

CVE-2024-56720: Off-by-one Error

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Several fixes to bpfmsgpopdata Several fixes to bpfmsgpopdata, 1. In skmsgshiftleft, we should putpage 2. if len == 0, return early is better 3. pop the entire skmsg last == msg-sg.size should be supported 4. Fix fo...

UBUNTU-CVE-2024-56702

In the Linux kernel, the following vulnerability has been resolved: bpf: Mark rawtp arguments with PTRMAYBENULL Arguments to a raw tracepoint are tagged as trusted, which carries the semantics that the pointer will be non-NULL. However, in certain cases, a raw tracepoint argument may end up being...

UBUNTU-CVE-2024-56694

In the Linux kernel, the following vulnerability has been resolved: bpf: fix recursive lock when verdict program return SKPASS When the streamverdict program returns SKPASS, it places the received skb into its own receive queue, but a recursive lock eventually occurs, leading to an operating syst...

CVE-2024-56702

In the Linux kernel, the following vulnerability has been resolved: bpf: Mark rawtp arguments with PTRMAYBENULL Arguments to a raw tracepoint are tagged as trusted, which carries the semantics that the pointer will be non-NULL. However, in certain cases, a raw tracepoint argument may end up being...

CVE-2024-56694

In the Linux kernel, the following vulnerability has been resolved: bpf: fix recursive lock when verdict program return SKPASS When the streamverdict program returns SKPASS, it places the received skb into its own receive queue, but a recursive lock eventually occurs, leading to an operating syst...

CVE-2024-56694

Technical details about CVE-2024-56694 are not provided in the supplied documents; public information appears scattered across multiple advisories. Monitor for official updates and patches for confirmation.

CVE-2024-56694 bpf: fix recursive lock when verdict program return SK_PASS

In the Linux kernel, the following vulnerability has been resolved: bpf: fix recursive lock when verdict program return SKPASS When the streamverdict program returns SKPASS, it places the received skb into its own receive queue, but a recursive lock eventually occurs, leading to an operating syst...

CVE-2024-56665

In the Linux kernel, the following vulnerability has been resolved: bpf,perf: Fix invalid progarray access in perfeventdetachbpfprog Syzbot reported 1 crash that happens for following tracing scenario: - create tracepoint perf event with attr.inherit=1, attach it to the process and set bpf progra...

CVE-2024-56675

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix UAF via mismatching bpfprog/attachment RCU flavors Uprobes always use bpfprogrunarrayuprobe under tasks-trace-RCU protection. But it is possible to attach a non-sleepable BPF program to a uprobe, and non-sleepable BPF...

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 multiple issues in the bpfmsgpopdata function in the bpf module, which could lead to memory errors...

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 incorrect handling of the raw tracepoint parameter in the bpf subsystem, causing the kernel to crash...

CVE-2024-56702: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: bpf: Mark rawtp arguments with PTRMAYBENULL Arguments to a raw tracepoint are tagged as trusted, which carries the semantics that the pointer will be non-NULL. However, in certain cases, a raw tracepoint argument may end up being...

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 originates in the bpf module when the streamverdict program returns SKPASS resulting in a recursive lock and an operating...

CVE-2024-56694: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: bpf: fix recursive lock when verdict program return SKPASS When the streamverdict program returns SKPASS, it places the received skb into its own receive queue, but a recursive lock eventually occurs, leading to an operating syst...