UBUNTU-CVE-2022-49192

In the Linux kernel, the following vulnerability has been resolved: drivers: ethernet: cpsw: fix panic when interrupt coaleceing is set via ethtool cpswethtoolbegin directly returns the result of pmruntimegetsync when successful. pmruntimegetsync returns -error code on failure and 0 on successful...

UBUNTU-CVE-2022-49154

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: fix panic on out-of-bounds guest IRQ As guestirq is coming from KVMIRQFD API call, it may trigger crash in svmupdatepiirte due to out-of-bounds: crash bt PID: 22218 TASK: ffff951a6ad74980 CPU: 73 COMMAND: "vcpu8" 0...

UBUNTU-CVE-2022-49063

In the Linux kernel, the following vulnerability has been resolved: ice: arfs: fix use-after-free when freeing @rxcpurmap The CI testing bots triggered the following splat: 718.203054 BUG: KASAN: use-after-free in freeirqcpurmap+0x53/0x80 718.206349 Read of size 4 at addr ffff8881bd127e00 by task...

UBUNTU-CVE-2022-49156

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix scheduling while atomic The driver makes a call into midlayer fcremoteportdelete which can put the thread to sleep. The thread that originates the call is in interrupt context. The combination of the two trigge...

CVE-2022-49716 irqchip/gic-v3: Fix error handling in gic_populate_ppi_partitions

In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v3: Fix error handling in gicpopulateppipartitions ofgetchildbyname returns a node pointer with refcount incremented, we should use ofnodeput on it when not need anymore. When kcalloc fails, it missing ofnodeput and...

CVE-2022-49714 irqchip/realtek-rtl: Fix refcount leak in map_interrupts

In the Linux kernel, the following vulnerability has been resolved: irqchip/realtek-rtl: Fix refcount leak in mapinterrupts offindnodebyphandle returns a node pointer with refcount incremented, we should use ofnodeput on it when not need anymore. This function doesn't call ofnodeput in error path...

CVE-2022-49709

CVE-2022-49709 is a Linux kernel issue where using RCU_NONIDLE during the __cfi_slowpath_diag cpuidle code path can leave the RCU state invalid. The concrete details across connected documents show the root cause: improper RCU usage in cpuidle, leading to a warning trace (rcu_eqs_enter, rcu_idle_...

CVE-2022-49703 scsi: ibmvfc: Store vhost pointer during subcrq allocation

In the Linux kernel, the following vulnerability has been resolved: scsi: ibmvfc: Store vhost pointer during subcrq allocation Currently the back pointer from a queue to the vhost adapter isn't set until after subcrq interrupt registration. The value is available when a queue is first allocated a...

CVE-2022-49703 scsi: ibmvfc: Store vhost pointer during subcrq allocation

In the Linux kernel, the following vulnerability has been resolved: scsi: ibmvfc: Store vhost pointer during subcrq allocation Currently the back pointer from a queue to the vhost adapter isn't set until after subcrq interrupt registration. The value is available when a queue is first allocated a...

CVE-2022-49703

Conforms to Mode C. The CVE-2022-49703 issue affects the Linux kernel ibmvfc driver: the back pointer from a SCSI queue to the vhost adapter was not set during subcrq allocation, which could allow a stale backpointer to be dereferenced during IRQ handling. This could cause a kernel NULL pointer d...

CVE-2022-49703 scsi: ibmvfc: Store vhost pointer during subcrq allocation

In the Linux kernel, the following vulnerability has been resolved: scsi: ibmvfc: Store vhost pointer during subcrq allocation Currently the back pointer from a queue to the vhost adapter isn't set until after subcrq interrupt registration. The value is available when a queue is first allocated a...

CVE-2022-49703

In the Linux kernel, the following vulnerability has been resolved: scsi: ibmvfc: Store vhost pointer during subcrq allocation Currently the back pointer from a queue to the vhost adapter isn't set until after subcrq interrupt registration. The value is available when a queue is first allocated a...

CVE-2022-49692

The CVE-2022-49692 issue is a Linux kernel fix for the at803x PHY NULL pointer dereference on AR9331 PHY. The vulnerability manifested as kernel paging fault during PHY interrupt handling, traced to AR9331 switch/MDIO initialization and phylink/dsa probe paths. The remedy is in the latest kernel ...

CVE-2022-49692

In the Linux kernel, the following vulnerability has been resolved: net: phy: at803x: fix NULL pointer dereference on AR9331 PHY Latest kernel will explode on the PHY interrupt config, since it depends now on allocated priv. So, run probe to allocate priv to fix it. ar9331switch ethernet.1:10 lan...

CVE-2022-49483 drm/msm/disp/dpu1: avoid clearing hw interrupts if hw_intr is null during drm uninit

In the Linux kernel, the following vulnerability has been resolved: drm/msm/disp/dpu1: avoid clearing hw interrupts if hwintr is null during drm uninit If edp modeset init is failed due to panel being not ready and probe defers during drm bind, avoid clearing irqs and dereference hwintr when hwin...

CVE-2022-49476 mt76: mt7921: fix kernel crash at mt7921_pci_remove

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7921: fix kernel crash at mt7921pciremove The crash log shown it is possible that mt7921irqhandler is called while devmfreeirq is being handled so mt76freedevice need to be postponed until devmfreeirq is completed to solv...

CVE-2022-49440 powerpc/rtas: Keep MSR[RI] set when calling RTAS

In the Linux kernel, the following vulnerability has been resolved: powerpc/rtas: Keep MSRRI set when calling RTAS RTAS runs in real mode MSRDR and MSRIR unset and in 32-bit big endian mode MSRSF,LE unset. The change in MSR is done in enterrtas in a relatively complex way, since the MSR value cou...

CVE-2022-49440 powerpc/rtas: Keep MSR[RI] set when calling RTAS

In the Linux kernel, the following vulnerability has been resolved: powerpc/rtas: Keep MSRRI set when calling RTAS RTAS runs in real mode MSRDR and MSRIR unset and in 32-bit big endian mode MSRSF,LE unset. The change in MSR is done in enterrtas in a relatively complex way, since the MSR value cou...

CVE-2022-49440

CVE-2022-49440 affects the Linux kernel (PowerPC RTAS path). The root cause is MSR[RI] not being preserved when entering RTAS, while RTAS runs in real mode and may trigger a panic/ watchdog lockup if MSR[RI] is unset. The fix updates how MSR is computed before calling RTAS, ensuring a hardcoded v...

CVE-2022-49440

In the Linux kernel, the following vulnerability has been resolved: powerpc/rtas: Keep MSRRI set when calling RTAS RTAS runs in real mode MSRDR and MSRIR unset and in 32-bit big endian mode MSRSF,LE unset. The change in MSR is done in enterrtas in a relatively complex way, since the MSR value cou...