1076 matches found
kernel: bpf: Fix crash due to out of bounds access into reg2btf_ids.
bpf in linux kernel incorrectly managed register types, leading to out of bounds access and possible kernel crashing when bad pointer gets dereferenced...
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 an incorrect call to the BPFLINKTYPE macro to register a link type, which can lead to out-of-bounds access...
OESA-2024-2448 kernel security update
The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: bpf: support non-r10 register spill/fill to/from stack in precision tracking Use instruction jump history to record instructions that performed register spill/fi...
OESA-2024-2447 kernel security update
The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: bpf: support non-r10 register spill/fill to/from stack in precision tracking Use instruction jump history to record instructions that performed register spill/fi...
Vulnerability in the x86/bpf kernel components of the Linux operating system, allowing a hacker to cause a service failure
The vulnerability in the x86/bpf kernel components of the Linux operating system is related to incorrect validation of input data in the emitcall function. Exploiting this vulnerability can allow an attacker to cause a service failure...
The vulnerability of the bpf component in the Linux operating system’s kernel allows a hacker to trigger a service failure.
The vulnerability of the bpf component in the Linux operating system’s kernel is related to errors in reading data beyond the buffer boundaries in the checkstackaccesswithinbounds function. Exploiting this vulnerability can allow an attacker to cause a service failure...
The vulnerabilities of the s390/bpf components of the Linux operating system’s kernel allow attackers to trigger service interruptions.
The vulnerability of the s390/bpf components of the Linux operating system’s kernel is related to the assignment of the NULL pointer. Exploiting this vulnerability can allow an attacker to cause a service failure...
kernel: bpf: Add BPF_PROG_TYPE_CGROUP_SKB attach type enforcement in BPF_LINK_CREATE
In the Linux kernel, the following vulnerability has been resolved: bpf: Add BPFPROGTYPECGROUPSKB attach type enforcement in BPFLINKCREATE bpfprogattach uses attachtypetoprogtype to enforce proper attach type for BPFPROGTYPECGROUPSKB. linkcreate uses bpfprogget and relies on...
kernel: mptcp: prevent BPF accessing lowat from a subflow socket.
In the Linux kernel, the following vulnerability has been resolved: mptcp: prevent BPF accessing lowat from a subflow socket. Alexei reported the following splat: WARNING: CPU: 32 PID: 3276 at net/mptcp/subflow.c:1430 subflowdataready+0x147/0x1c0 Modules linked in: dummy bpftestmodO last unloaded...
kernel: bpf: Protect against int overflow for stack access size
A flaw was found in the Linux kernel. An integer overflow vulnerability exists in the access size of a stack, such that the size of the access stack can appear negative as a result of overflowing its signed int representation. This issue can result in denial of service...
kernel: bpf: Guard stack limits against 32bit overflow
In the Linux kernel, the following vulnerability has been resolved: bpf: Guard stack limits against 32bit overflow The Linux kernel CVE team has assigned CVE-2023-52676 to this issue. Upstream advisory: https://lore.kernel.org/linux-cve-announce/2024051749-CVE-2023-52676-e224@gregkh/T...
kernel: bpf: Reject variable offset alu on PTR_TO_FLOW_KEYS
A vulnerability has been identified in the Linux kernel's Berkeley Packet Filter BPF subsystem. The flaw resides within the handling of PTRTOFLOWKEYS pointer to flow keys in the checkflowkeysaccess function. Specifically, while fixed offsets are validated for PTRTOFLOWKEYS, the system currently...
CVE-2024-50253 bpf: Check the validity of nr_words in bpf_iter_bits_new()
In the Linux kernel, the following vulnerability has been resolved: bpf: Check the validity of nrwords in bpfiterbitsnew Check the validity of nrwords in bpfiterbitsnew. Without this check, when multiplication overflow occurs for nrbits e.g., when nrwords = 0x0400-0001, nrbits becomes 64, stack...
bpf: Fix use-after-free in bpf_uprobe_multi_link_attach()
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bpf: Zero former ARG_PTR_TO_{LONGINT} args in case of error
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bpf: Fix helper writes to read-only maps
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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 faulty dynamic allocation bit release in the bpfiterbitsdestroy function...
UBUNTU-CVE-2024-50203
In the Linux kernel, the following vulnerability has been resolved: bpf, arm64: Fix address emission with tag-based KASAN enabled When BPFTRAMPFCALLORIG is enabled, the address of a bpftrampimage struct on the stack is passed during the size calculation pass and an address on the heap is passed...
SUSE CVE-2024-50161
In the Linux kernel, the following vulnerability has been resolved: bpf: Check the remaining infocnt before repeating btf fields When trying to repeat the btf fields for array of nested struct, it doesn't check the remaining infocnt. The following splat will be reported when the value of ret nele...
SUSE CVE-2024-50165
In the Linux kernel, the following vulnerability has been resolved: bpf: Preserve param-string when parsing mount options In bpfparseparam, keep the value of param-string intact so it can be freed later. Otherwise, the kmalloc area pointed to by param-string will be leaked as shown below:...