CVE-2022-49409

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bugon in estreesearch Hulk Robot reported a BUGON: ================================================================== kernel BUG at fs/ext4/extentsstatus.c:199! ... RIP: 0010:ext4esend fs/ext4/extentsstatus.c:199 inline...

DEBIAN-CVE-2022-49321

In the Linux kernel, the following vulnerability has been resolved: xprtrdma: treat all calls not a bcall when bcserv is NULL When a rdma server returns a fault format reply, nfs v3 client may treats it as a bcall when bc service is not exist. The debug message at rpcrdmabcreceivecall are,...

UBUNTU-CVE-2022-49721

In the Linux kernel, the following vulnerability has been resolved: arm64: ftrace: consistently handle PLTs. Sometimes it is necessary to use a PLT entry to call an ftrace trampoline. This is handled by ftracemakecall and ftracemakenop, with each having almost identical logic, but this is not...

UBUNTU-CVE-2022-49537

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix call trace observed during I/O with CMF enabled The following was seen with CMF enabled: BUG: using smpprocessorid in preemptible code: systemd-udevd/31711 kernel: caller is lpfcupdatecmfcmd+0x214/0x420 lpfc kerne...

UBUNTU-CVE-2022-49725

In the Linux kernel, the following vulnerability has been resolved: i40e: Fix call trace in setuptxdescriptors After PF reset and ethtool -t there was call trace in dmesg sometimes leading to panic. When there was some time, around 5 seconds, between reset and test there were no errors. Problem w...

UBUNTU-CVE-2022-49450

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix listen setting the bar too high for the prealloc rings AFRXRPC's listen handler lets you set the backlog up to 32 if you bump up the sysctl, but whilst the preallocation circular buffers have 32 slots in them, one of...

DEBIAN-CVE-2022-49149

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix call timer start racing with call destruction The rxrpccall struct has a timer used to handle various timed events relating to a call. This timer can get started from the packet input routines that are run in softirq...

CVE-2022-49149

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix call timer start racing with call destruction The rxrpccall struct has a timer used to handle various timed events relating to a call. This timer can get started from the packet input routines that are run in softirq...

DEBIAN-CVE-2022-49065

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Fix the svcdeferredevent trace class Fix a NULL deref crash that occurs when an svcrqst is deferred while the sunrpc tracing subsystem is enabled. svcrevisit sets dr-xprt to NULL, so it can't be relied upon in the...

UBUNTU-CVE-2022-49149

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix call timer start racing with call destruction The rxrpccall struct has a timer used to handle various timed events relating to a call. This timer can get started from the packet input routines that are run in softirq...

CVE-2022-49725 i40e: Fix call trace in setup_tx_descriptors

In the Linux kernel, the following vulnerability has been resolved: i40e: Fix call trace in setuptxdescriptors After PF reset and ethtool -t there was call trace in dmesg sometimes leading to panic. When there was some time, around 5 seconds, between reset and test there were no errors. Problem w...

CVE-2022-49725 i40e: Fix call trace in setup_tx_descriptors

In the Linux kernel, the following vulnerability has been resolved: i40e: Fix call trace in setuptxdescriptors After PF reset and ethtool -t there was call trace in dmesg sometimes leading to panic. When there was some time, around 5 seconds, between reset and test there were no errors. Problem w...

CVE-2022-49584 ixgbe: Add locking to prevent panic when setting sriov_numvfs to zero

In the Linux kernel, the following vulnerability has been resolved: ixgbe: Add locking to prevent panic when setting sriovnumvfs to zero It is possible to disable VFs while the PF driver is processing requests from the VF driver. This can result in a panic. BUG: unable to handle kernel paging...

CVE-2022-49567

In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: fix uninit-value in mpolrebindpolicy mpolsetnodemaskmm/mempolicy.c does not set up nodemask when pol-mode is MPOLLOCAL. Check pol-mode before access pol-w.cpusetmemsallowed in mpolrebindpolicymm/mempolicy.c. BUG:...

CVE-2022-49537

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix call trace observed during I/O with CMF enabled The following was seen with CMF enabled: BUG: using smpprocessorid in preemptible code: systemd-udevd/31711 kernel: caller is lpfcupdatecmfcmd+0x214/0x420 lpfc kerne...

CVE-2022-49537 scsi: lpfc: Fix call trace observed during I/O with CMF enabled

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix call trace observed during I/O with CMF enabled The following was seen with CMF enabled: BUG: using smpprocessorid in preemptible code: systemd-udevd/31711 kernel: caller is lpfcupdatecmfcmd+0x214/0x420 lpfc kerne...

CVE-2022-49537

CVE-2022-49537 is related to the Linux kernel SCSI lpfc path with CMF enabled. The issue arises from this_cpu_ptr() using smp_processor_id() in a preemptible context, leading to an invalid call trace (systemd-udevd 31711) and potential preemption-related bugs. The documented fix is to replace thi...

CVE-2022-49450 rxrpc: Fix listen() setting the bar too high for the prealloc rings

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix listen setting the bar too high for the prealloc rings AFRXRPC's listen handler lets you set the backlog up to 32 if you bump up the sysctl, but whilst the preallocation circular buffers have 32 slots in them, one of...

CVE-2022-49443 list: fix a data-race around ep->rdllist

In the Linux kernel, the following vulnerability has been resolved: list: fix a data-race around ep-rdllist eppoll first calls epeventsavailable with no lock held and checks if ep-rdllist is empty by listemptycareful, which reads rdllist-prev. Thus all accesses to it need some protection to avoid...

CVE-2022-49441 tty: fix deadlock caused by calling printk() under tty_port->lock

In the Linux kernel, the following vulnerability has been resolved: tty: fix deadlock caused by calling printk under ttyport-lock ptywrite invokes kmalloc which may invoke a normal printk to print failure message. This can cause a deadlock in the scenario reported by syz-bot below: CPU0 CPU1 CPU2...