Sparsification under Siege: Defending against Poisoning Attacks in Communication-Efficient Federated Learning

Federated Learning FL enables collaborative model training across distributed clients while preserving data privacy, yet it faces significant challenges in communication efficiency and vulnerability to poisoning attacks. While sparsification techniques mitigate communication overhead by...

DEBIAN-CVE-2025-37829

In the Linux kernel, the following vulnerability has been resolved: cpufreq: scpi: Fix null-ptr-deref in scpicpufreqgetrate cpufreqcpugetraw can return NULL when the target CPU is not present in the policy-cpus mask. scpicpufreqgetrate does not check for this case, which results in a NULL pointer...

DEBIAN-CVE-2025-37831

In the Linux kernel, the following vulnerability has been resolved: cpufreq: apple-soc: Fix null-ptr-deref in applesoccpufreqgetrate cpufreqcpugetraw can return NULL when the target CPU is not present in the policy-cpus mask. applesoccpufreqgetrate does not check for this case, which results in a...

CVE-2025-37830

In the Linux kernel, the following vulnerability has been resolved: cpufreq: scmi: Fix null-ptr-deref in scmicpufreqgetrate cpufreqcpugetraw can return NULL when the target CPU is not present in the policy-cpus mask. scmicpufreqgetrate does not check for this case, which results in a NULL pointer...

DEBIAN-CVE-2025-37830

In the Linux kernel, the following vulnerability has been resolved: cpufreq: scmi: Fix null-ptr-deref in scmicpufreqgetrate cpufreqcpugetraw can return NULL when the target CPU is not present in the policy-cpus mask. scmicpufreqgetrate does not check for this case, which results in a NULL pointer...

UBUNTU-CVE-2025-37829

In the Linux kernel, the following vulnerability has been resolved: cpufreq: scpi: Fix null-ptr-deref in scpicpufreqgetrate cpufreqcpugetraw can return NULL when the target CPU is not present in the policy-cpus mask. scpicpufreqgetrate does not check for this case, which results in a NULL pointer...

UBUNTU-CVE-2025-37830

In the Linux kernel, the following vulnerability has been resolved: cpufreq: scmi: Fix null-ptr-deref in scmicpufreqgetrate cpufreqcpugetraw can return NULL when the target CPU is not present in the policy-cpus mask. scmicpufreqgetrate does not check for this case, which results in a NULL pointer...

SUSE CVE-2022-49870

In the Linux kernel, the following vulnerability has been resolved: capabilities: fix undefined behavior in bit shift for CAPTOMASK Shifting signed 32-bit value by 31 bits is undefined, so changing significant bit to unsigned. The UBSAN warning calltrace like below: UBSAN: shift-out-of-bounds in...

SUSE CVE-2023-53047

In the Linux kernel, the following vulnerability has been resolved: tee: amdtee: fix race condition in amdteeopensession There is a potential race condition in amdteeopensession that may lead to use-after-free. For instance, in amdteeopensession after sess-sessmask is set, and before setting:...

SUSE CVE-2023-53049

In the Linux kernel, the following vulnerability has been resolved: usb: ucsi: Fix NULL pointer deref in ucsiconnectorchange When ucsiinit fails, ucsi-connector is NULL, yet in case of ucsiacpi we may still get events which cause the ucsacpi code to call ucsiconnectorchange, which then derefs the...

CVE-2023-53112

In the Linux kernel, the following vulnerability has been resolved: drm/i915/sseu: fix maxsubslices array-index-out-of-bounds access It seems that commit bc3c5e0809ae "drm/i915/sseu: Don't try to store EU mask internally in UAPI format" exposed a potential out-of-bounds access, reported by UBSAN ...

DEBIAN-CVE-2023-53112

In the Linux kernel, the following vulnerability has been resolved: drm/i915/sseu: fix maxsubslices array-index-out-of-bounds access It seems that commit bc3c5e0809ae "drm/i915/sseu: Don't try to store EU mask internally in UAPI format" exposed a potential out-of-bounds access, reported by UBSAN ...

CVE-2023-53047

In the Linux kernel, the following vulnerability has been resolved: tee: amdtee: fix race condition in amdteeopensession There is a potential race condition in amdteeopensession that may lead to use-after-free. For instance, in amdteeopensession after sess-sessmask is set, and before setting:...

CVE-2023-53049

In the Linux kernel, the following vulnerability has been resolved: usb: ucsi: Fix NULL pointer deref in ucsiconnectorchange When ucsiinit fails, ucsi-connector is NULL, yet in case of ucsiacpi we may still get events which cause the ucsacpi code to call ucsiconnectorchange, which then derefs the...

UBUNTU-CVE-2023-53049

In the Linux kernel, the following vulnerability has been resolved: usb: ucsi: Fix NULL pointer deref in ucsiconnectorchange When ucsiinit fails, ucsi-connector is NULL, yet in case of ucsiacpi we may still get events which cause the ucsacpi code to call ucsiconnectorchange, which then derefs the...

UBUNTU-CVE-2023-53047

In the Linux kernel, the following vulnerability has been resolved: tee: amdtee: fix race condition in amdteeopensession There is a potential race condition in amdteeopensession that may lead to use-after-free. For instance, in amdteeopensession after sess-sessmask is set, and before setting:...

UBUNTU-CVE-2023-53112

In the Linux kernel, the following vulnerability has been resolved: drm/i915/sseu: fix maxsubslices array-index-out-of-bounds access It seems that commit bc3c5e0809ae "drm/i915/sseu: Don't try to store EU mask internally in UAPI format" exposed a potential out-of-bounds access, reported by UBSAN ...

UBUNTU-CVE-2022-49870

In the Linux kernel, the following vulnerability has been resolved: capabilities: fix undefined behavior in bit shift for CAPTOMASK Shifting signed 32-bit value by 31 bits is undefined, so changing significant bit to unsigned. The UBSAN warning calltrace like below: UBSAN: shift-out-of-bounds in...

CVE-2025-23155

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: Fix accessing freed irq affinityhint In stmmacrequestirqmultimsi, a pointer to the stack variable cpumask is passed to irqsetaffinityhint. This value is stored in irqdesc-affinityhint, but once stmmacrequestirqmultim...

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 undefined bit offset issue in the CAPTOMASK function in the capabilities driver...