CVE-2022-50118 powerpc/perf: Optimize clearing the pending PMI and remove WARN_ON for PMI check in power_pmu_disable

In the Linux kernel, the following vulnerability has been resolved: powerpc/perf: Optimize clearing the pending PMI and remove WARNON for PMI check in powerpmudisable commit 2c9ac51b850d "powerpc/perf: Fix PMU callbacks to clear pending PMI before resetting an overflown PMC" added a new function...

CVE-2022-50118

CVE-2022-50118 describes a Linux kernel issue in the PowerPC perf PMU path. A new pmi_irq_pending check in hw_irq.h is used by power_pmu_disable to warn if PMI is pending when no counter overflows. The patch set removes the WARN_ON for PMI in this scenario and adds an optimization to clear pendin...

CVE-2022-50106 powerpc/cell/axon_msi: Fix refcount leak in setup_msi_msg_address

In the Linux kernel, the following vulnerability has been resolved: powerpc/cell/axonmsi: Fix refcount leak in setupmsimsgaddress ofgetnextparent returns a node pointer with refcount incremented, we should use ofnodeput on it when not need anymore. Add missing ofnodeput in the error path to avoid...

CVE-2022-50106

In the Linux kernel, the following vulnerability has been resolved: powerpc/cell/axonmsi: Fix refcount leak in setupmsimsgaddress ofgetnextparent returns a node pointer with refcount incremented, we should use ofnodeput on it when not need anymore. Add missing ofnodeput in the error path to avoid...

CVE-2022-50105 powerpc/spufs: Fix refcount leak in spufs_init_isolated_loader

In the Linux kernel, the following vulnerability has been resolved: powerpc/spufs: Fix refcount leak in spufsinitisolatedloader offindnodebypath returns remote device nodepointer with refcount incremented, we should use ofnodeput on it when done. Add missing ofnodeput to avoid refcount leak...

CVE-2022-50105 powerpc/spufs: Fix refcount leak in spufs_init_isolated_loader

In the Linux kernel, the following vulnerability has been resolved: powerpc/spufs: Fix refcount leak in spufsinitisolatedloader offindnodebypath returns remote device nodepointer with refcount incremented, we should use ofnodeput on it when done. Add missing ofnodeput to avoid refcount leak...

CVE-2022-50106 powerpc/cell/axon_msi: Fix refcount leak in setup_msi_msg_address

In the Linux kernel, the following vulnerability has been resolved: powerpc/cell/axonmsi: Fix refcount leak in setupmsimsgaddress ofgetnextparent returns a node pointer with refcount incremented, we should use ofnodeput on it when not need anymore. Add missing ofnodeput in the error path to avoid...

CVE-2022-50105

In the Linux kernel, the following vulnerability has been resolved: powerpc/spufs: Fix refcount leak in spufsinitisolatedloader offindnodebypath returns remote device nodepointer with refcount incremented, we should use ofnodeput on it when done. Add missing ofnodeput to avoid refcount leak...

CVE-2022-50104

CVE-2022-50104 affects the Linux kernel, specifically the powerpc/xive subsystem. The root cause is a refcount leak caused by a node pointer returned by of_find_node_by_path() with an incremented refcount and missing of_node_put() when done. The remediation is a patch that adds the missing of_nod...

CVE-2022-50104

In the Linux kernel, the following vulnerability has been resolved: powerpc/xive: Fix refcount leak in xivegetmaxprio offindnodebypath returns a node pointer with refcount incremented, we should use ofnodeput on it when done. Add missing ofnodeput to avoid refcount leak...

CVE-2022-50045

In the Linux kernel, the following vulnerability has been resolved: powerpc/pci: Fix getphbnumber locking The recent change to getphbnumber causes a DEBUGATOMICSLEEP warning on some systems: BUG: sleeping function called from invalid context at kernel/locking/mutex.c:580 inatomic: 1, irqsdisabled...

CVE-2022-50045 powerpc/pci: Fix get_phb_number() locking

In the Linux kernel, the following vulnerability has been resolved: powerpc/pci: Fix getphbnumber locking The recent change to getphbnumber causes a DEBUGATOMICSLEEP warning on some systems: BUG: sleeping function called from invalid context at kernel/locking/mutex.c:580 inatomic: 1, irqsdisabled...

CVE-2022-50012

In the Linux kernel, the following vulnerability has been resolved: powerpc/64: Init jump labels before parseearlyparam On 64-bit, calling jumplabelinit in setupfeaturekeys is too late because static keys may be used in subroutines of parseearlyparam which is again subroutine of earlyinitdevtree...

CVE-2022-50012

CVE-2022-50012 affects the Linux kernel on 64-bit PowerPC (powerpc/64). The root cause is that jump_label_init() is invoked in setup_feature_keys() too late, since static keys may be used by subroutines of parse_early_param(), which itself is a subroutine of early_init_devtree(). The result is th...

CVE-2022-50012 powerpc/64: Init jump labels before parse_early_param()

In the Linux kernel, the following vulnerability has been resolved: powerpc/64: Init jump labels before parseearlyparam On 64-bit, calling jumplabelinit in setupfeaturekeys is too late because static keys may be used in subroutines of parseearlyparam which is again subroutine of earlyinitdevtree...

CVE-2022-49955

In the Linux kernel, the following vulnerability has been resolved: powerpc/rtas: Fix RTAS MSRHV handling for Cell The semi-recent changes to MSR handling when entering RTAS firmware cause crashes on IBM Cell machines. An example trace: kernel tried to execute user page 2fff01a8 - exploit attempt...

CVE-2025-27587

OpenSSL 3.0.0 through 3.3.2 on the PowerPC architecture is vulnerable to a Minerva attack, exploitable by measuring the time of signing of random messages using the EVPDigestSign API, and then using the private key to extract the K value nonce from the signatures. Next, based on the bit size of t...

PT-2025-26044 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A vulnerability in the Linux kernel has been resolved. The issue is related to the powerpc/perf component, where a warning is triggered when there is a PMI pending in Paca but no count...

PT-2025-25971 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 5.19.0-yocto-standard+ Description: A vulnerability in the Linux kernel has been resolved, related to the powerpc/pci component. The issue arises from the get phb number function, which causes a DEBUG ATOMIC SLE...

PT-2025-26032 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A refcount leak issue has been identified in the Linux kernel, specifically in the powerpc/cell/axon msi component. The of get next parent function returns a node pointer with an...