UBUNTU-CVE-2023-52499

In the Linux kernel, the following vulnerability has been resolved: powerpc/47x: Fix 47x syscall return crash Eddie reported that newer kernels were crashing during boot on his 476 FSP2 system: kernel tried to execute user page b7ee2000 - exploit attempt? uid: 0 BUG: Unable to handle kernel...

SUSE CVE-2021-46990

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s: Fix crashes when toggling entry flush barrier The entry flush mitigation can be enabled/disabled at runtime via a debugfs file entryflush, which causes the kernel to patch itself to enable/disable the relevant...

SUSE CVE-2021-46949

In the Linux kernel, the following vulnerability has been resolved: sfc: farch: fix TX queue lookup in TX flush done handling We're starting from a TXQ instance number 'qid', not a TXQ type, so efxgettxqueue is inappropriate and could return NULL, leading to panics...

SUSE CVE-2021-46981

In the Linux kernel, the following vulnerability has been resolved: nbd: Fix NULL pointer in flushworkqueue Open /dev/nbdX first, the configrefs will be 1 and the pointers in nbddevice are still null. Disconnect /dev/nbdX, then reference a null recvworkq. The protection by configrefs in...

CVE-2021-46990

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s: Fix crashes when toggling entry flush barrier The entry flush mitigation can be enabled/disabled at runtime via a debugfs file entryflush, which causes the kernel to patch itself to enable/disable the relevant...

CVE-2021-46990

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s: Fix crashes when toggling entry flush barrier The entry flush mitigation can be enabled/disabled at runtime via a debugfs file entryflush, which causes the kernel to patch itself to enable/disable the relevant...

DEBIAN-CVE-2021-46990

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s: Fix crashes when toggling entry flush barrier The entry flush mitigation can be enabled/disabled at runtime via a debugfs file entryflush, which causes the kernel to patch itself to enable/disable the relevant...

DEBIAN-CVE-2021-46981

In the Linux kernel, the following vulnerability has been resolved: nbd: Fix NULL pointer in flushworkqueue Open /dev/nbdX first, the configrefs will be 1 and the pointers in nbddevice are still null. Disconnect /dev/nbdX, then reference a null recvworkq. The protection by configrefs in...

CVE-2021-46990

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s: Fix crashes when toggling entry flush barrier The entry flush mitigation can be enabled/disabled at runtime via a debugfs file entryflush, which causes the kernel to patch itself to enable/disable the relevant...

Spoofing

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s: Fix crashes when toggling entry flush barrier The entry flush mitigation can be enabled/disabled at runtime via a debugfs file entryflush, which causes the kernel to patch itself to enable/disable the relevant...

Null pointer dereference

In the Linux kernel, the following vulnerability has been resolved: nbd: Fix NULL pointer in flushworkqueue Open /dev/nbdX first, the configrefs will be 1 and the pointers in nbddevice are still null. Disconnect /dev/nbdX, then reference a null recvworkq. The protection by configrefs in...

UBUNTU-CVE-2021-46981

In the Linux kernel, the following vulnerability has been resolved: nbd: Fix NULL pointer in flushworkqueue Open /dev/nbdX first, the configrefs will be 1 and the pointers in nbddevice are still null. Disconnect /dev/nbdX, then reference a null recvworkq. The protection by configrefs in...

UBUNTU-CVE-2021-47034

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s: Fix pte update for kernel memory on radix When adding a PTE a ptesync is needed to order the update of the PTE with subsequent accesses otherwise a spurious fault may be raised. radixsetpteat does not do this for...

UBUNTU-CVE-2021-46990

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s: Fix crashes when toggling entry flush barrier The entry flush mitigation can be enabled/disabled at runtime via a debugfs file entryflush, which causes the kernel to patch itself to enable/disable the relevant...

CVE-2021-46990

CVE-2021-46990 affects powerpc/64s in the Linux kernel. The vulnerability arises from runtime patching of entry flush mitigations via a debugfs entry (entry_flush), which can be unsafe when CPUs are active, potentially causing a crash due to an LR restore issue. The fixed vulnerability patches ar...

CVE-2021-46990 powerpc/64s: Fix crashes when toggling entry flush barrier

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s: Fix crashes when toggling entry flush barrier The entry flush mitigation can be enabled/disabled at runtime via a debugfs file entryflush, which causes the kernel to patch itself to enable/disable the relevant...

CVE-2021-46990 powerpc/64s: Fix crashes when toggling entry flush barrier

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s: Fix crashes when toggling entry flush barrier The entry flush mitigation can be enabled/disabled at runtime via a debugfs file entryflush, which causes the kernel to patch itself to enable/disable the relevant...

CVE-2021-46990

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s: Fix crashes when toggling entry flush barrier The entry flush mitigation can be enabled/disabled at runtime via a debugfs file entryflush, which causes the kernel to patch itself to enable/disable the relevant...

CVE-2021-46970

In the Linux kernel, the following vulnerability has been resolved: bus: mhi: pcigeneric: Remove WQMEMRECLAIM flag from state workqueue A recent change created a dedicated workqueue for the state-change work with WQHIGHPRI no strong reason for that and WQMEMRECLAIM flags, but the state-change wor...

CVE-2021-46949

In the Linux kernel, the following vulnerability has been resolved: sfc: farch: fix TX queue lookup in TX flush done handling We're starting from a TXQ instance number 'qid', not a TXQ type, so efxgettxqueue is inappropriate and could return NULL, leading to panics...