CVE-2024-50254 bpf: Free dynamically allocated bits in bpf_iter_bits_destroy()

In the Linux kernel, the following vulnerability has been resolved: bpf: Free dynamically allocated bits in bpfiterbitsdestroy bpfiterbitsdestroy uses "kit-nrbits kmemleakalloc+0x4b/0x80 kmallocnodenoprof+0x480/0x5c0 alloc.isra.0+0x89/0xb0 allocbulk+0x2af/0x720 prefillmemcache+0x7f/0xb0...

CVE-2024-50254

CVE-2024-50254 : In the Linux kernel, the bpf_iter_bits_destroy() path incorrectly used kit->nr_bits bit = kit->nr_bits on completion, uses !nr_bits || bits >= nr_bits to determine completion, and keeps nr_bits > 64 to indicate dynamic allocation. It also changes kit->nr_bits from ...

CVE-2024-50254

In the Linux kernel, the following vulnerability has been resolved: bpf: Free dynamically allocated bits in bpfiterbitsdestroy bpfiterbitsdestroy uses "kit-nrbits kmemleakalloc+0x4b/0x80 kmallocnodenoprof+0x480/0x5c0 alloc.isra.0+0x89/0xb0 allocbulk+0x2af/0x720 prefillmemcache+0x7f/0xb0...

CVE-2024-50254 bpf: Free dynamically allocated bits in bpf_iter_bits_destroy()

In the Linux kernel, the following vulnerability has been resolved: bpf: Free dynamically allocated bits in bpfiterbitsdestroy bpfiterbitsdestroy uses "kit-nrbits kmemleakalloc+0x4b/0x80 kmallocnodenoprof+0x480/0x5c0 alloc.isra.0+0x89/0xb0 allocbulk+0x2af/0x720 prefillmemcache+0x7f/0xb0...

CVE-2024-50253

In CVE-2024-50253, the Linux kernel fixes a memory-allocator bug in the BPF subsystem: nr_words can overflow nr_bits in bpf_iter_bits_new(), risking stack corruption via bpf_probe_read_kernel_common when nr_words is large (e.g., 0x0400-0001). The patch constrains nr_words to a maximum of 511 and ...

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...

SUSE 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...

kernel-rt security update

An update is available for kernel-rt. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel-rt packages provide the Real Time Linux Kernel, which enables...

bpftrace security update

An update is available for bpftrace. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list BPFtrace is a high-level tracing language for Linux enhanced Berkeley Packet...

RLSA-2024:8831 Low: bcc security update

BPF Compiler Collection BCC is a toolkit for easier creation of efficient kernel tracing and manipulation programs. BCC uses the extended Berkeley Packet Filter eBPF tool. Security Fixes: bcc: unprivileged users can force loading of compromised linux headers CVE-2024-2314 For more details about t...

kernel security update

An update is available for kernel. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel packages contain the Linux kernel, the core of any Linux operating...

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...

DEBIAN-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...

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...

CVE-2024-50203

CVE-2024-50203 affects the Linux kernel BPF trampoline path on arm64 when BPF_TRAMP_F_CALL_ORIG is enabled and tag-based KASAN is active. The issue arises because the stack address (bpf_tramp_image) is computed during size calculation using one address and then a heap address is used during code ...

CVE-2024-50203 bpf, arm64: Fix address emission with tag-based KASAN enabled

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...

CVE-2024-50203 bpf, arm64: Fix address emission with tag-based KASAN enabled

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-2024-50154

In the Linux kernel, the following vulnerability has been resolved: tcp/dccp: Don't use timerpending in reqskqueueunlink. Martin KaFai Lau reported use-after-free 0 in reqsktimerhandler. """ We are seeing a use-after-free from a bpf prog attached to tracetcpretransmitsynack. The program passes th...

SUSE CVE-2024-50163

In the Linux kernel, the following vulnerability has been resolved: bpf: Make sure internal and UAPI bpfredirect flags don't overlap The bpfredirectinfo is shared between the SKB and XDP redirect paths, and the two paths use the same numeric flag values in the ri-flags field specifically,...

The vulnerability of the perf bpf component in the Linux operating system’s kernel allows a hacker to trigger a service failure.

The vulnerability of the perf bpf component in the Linux operating system’s kernel is related to resource management errors in the perfenvinsertbpfproginfo function. Exploiting this vulnerability can allow an attacker to cause a service failure...