CVE-2022-48770 bpf: Guard against accessing NULL pt_regs in bpf_get_task_stack()

In the Linux kernel, the following vulnerability has been resolved: bpf: Guard against accessing NULL ptregs in bpfgettaskstack taskptregs can return NULL on powerpc for kernel threads. This is then used in bpfgetstack to check for user mode, resulting in a kernel oops. Guard against this by...

CVE-2022-48770 bpf: Guard against accessing NULL pt_regs in bpf_get_task_stack()

In the Linux kernel, the following vulnerability has been resolved: bpf: Guard against accessing NULL ptregs in bpfgettaskstack taskptregs can return NULL on powerpc for kernel threads. This is then used in bpfgetstack to check for user mode, resulting in a kernel oops. Guard against this by...

CVE-2022-48770

CVE-2022-48770 affects the Linux kernel vulnerability in the BPF stack trace code: bpf_get_task_stack() could dereference NULL pt_regs because task_pt_regs() may return NULL for kernel threads on powerpc. The patch adds a NULL check on the return value of task_pt_regs() before inspecting the call...

CVE-2022-48770 bpf: Guard against accessing NULL pt_regs in bpf_get_task_stack()

In the Linux kernel, the following vulnerability has been resolved: bpf: Guard against accessing NULL ptregs in bpfgettaskstack taskptregs can return NULL on powerpc for kernel threads. This is then used in bpfgetstack to check for user mode, resulting in a kernel oops. Guard against this by...

CVE-2022-48752 powerpc/perf: Fix power_pmu_disable to call clear_pmi_irq_pending only if PMI is pending

In the Linux kernel, the following vulnerability has been resolved: powerpc/perf: Fix powerpmudisable to call clearpmiirqpending only if PMI is pending Running selftest with CONFIGPPCIRQSOFTMASKDEBUG enabled in kernel triggered below warning: 172.851380 ------------ cut here ------------ 172.8513...

CVE-2022-48752 powerpc/perf: Fix power_pmu_disable to call clear_pmi_irq_pending only if PMI is pending

In the Linux kernel, the following vulnerability has been resolved: powerpc/perf: Fix powerpmudisable to call clearpmiirqpending only if PMI is pending Running selftest with CONFIGPPCIRQSOFTMASKDEBUG enabled in kernel triggered below warning: 172.851380 ------------ cut here ------------ 172.8513...

CVE-2022-48752

CVE-2022-48752 affects the Linux kernel on PowerPC power_pmu_disable handling. The fix (commit 2c9ac51b850d) calls clear_pmi_irq_pending only if PMI is pending to avoid clearing PMI when an overflown PMC is detected, addressing a PMI/PMC race in power_pmu_disable triggered under CONFIG_PPC_IRQ_SO...

CVE-2022-48752 powerpc/perf: Fix power_pmu_disable to call clear_pmi_irq_pending only if PMI is pending

In the Linux kernel, the following vulnerability has been resolved: powerpc/perf: Fix powerpmudisable to call clearpmiirqpending only if PMI is pending Running selftest with CONFIGPPCIRQSOFTMASKDEBUG enabled in kernel triggered below warning: 172.851380 ------------ cut here ------------ 172.8513...

CVE-2022-48752

In the Linux kernel, the following vulnerability has been resolved: powerpc/perf: Fix powerpmudisable to call clearpmiirqpending only if PMI is pending Running selftest with CONFIGPPCIRQSOFTMASKDEBUG enabled in kernel triggered below warning: 172.851380 ------------ cut here ------------ 172.8513...

CVE-2022-48732 drm/nouveau: fix off by one in BIOS boundary checking

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: fix off by one in BIOS boundary checking Bounds checking when parsing init scripts embedded in the BIOS reject access to the last byte. This causes driver initialization to fail on Apple eMac's with GeForce 2 MX GPUs...

CVE-2022-48732 drm/nouveau: fix off by one in BIOS boundary checking

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: fix off by one in BIOS boundary checking Bounds checking when parsing init scripts embedded in the BIOS reject access to the last byte. This causes driver initialization to fail on Apple eMac's with GeForce 2 MX GPUs...

CVE-2022-48732

The CVE-2022-48732 issue affects the Linux kernel’s DRM Nouveau component, caused by an off-by-one error in BIOS boundary parsing of embedded init scripts. This bounds-checking flaw can reject access to the last byte, causing driver initialization to fail on Apple eMac systems with GeForce 2 MX G...

PT-2024-9249

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to errors in resource management in the Linux kernel's bpf component. Exploitation of this issue can lead to a denial of service. The problem arises when task pt...

CVE-2022-48752

In the Linux kernel, the following vulnerability has been resolved: powerpc/perf: Fix powerpmudisable to call clearpmiirqpending only if PMI is pending Running selftest with CONFIGPPCIRQSOFTMASKDEBUG enabled in kernel triggered below warning: 172.851380 ------------ cut here ------------ 172.8513...

CVE-2022-48770: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: bpf: Guard against accessing NULL ptregs in bpfgettaskstack taskptregs can return NULL on powerpc for kernel threads. This is then used in bpfgetstack to check for user mode, resulting in a kernel oops. Guard against this by...

CVE-2022-48752: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: powerpc/perf: Fix powerpmudisable to call clearpmiirqpending only if PMI is pending Running selftest with CONFIGPPCIRQSOFTMASKDEBUG enabled in kernel triggered below warning: 172.851380 ------------ cut here ------------ 172.8513...

PT-2024-9255

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 5.16.0-rc5-03218-g798527287598 Description: The vulnerability is related to the powerpc/perf component of the Linux kernel. It is caused by an error in the power pmu disable function, which can lead to a situati...

Ubuntu 22.04 LTS : Linux kernel (HWE) vulnerabilities (USN-6818-4)

The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6818-4 advisory. Alon Zahavi discovered that the NVMe-oF/TCP subsystem in the Linux kernel did not properly validate H2C PDU data, leading to a null pointer dereference...

USN-6818-4: Linux kernel (HWE) vulnerabilities

Alon Zahavi discovered that the NVMe-oF/TCP subsystem in the Linux kernel did not properly validate H2C PDU data, leading to a null pointer dereference vulnerability. A remote attacker could use this to cause a denial of service system crash. CVE-2023-6356, CVE-2023-6535, CVE-2023-6536 It was...

PT-2024-29239

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue is related to incorrect resource locking in the Linux kernel, specifically in the powerpc/eeh module. If a PCI device is removed during eeh pe report edev, the edev-pdev will...