CVE-2022-50103 sched, cpuset: Fix dl_cpu_busy() panic due to empty cs->cpus_allowed

In the Linux kernel, the following vulnerability has been resolved: sched, cpuset: Fix dlcpubusy panic due to empty cs-cpusallowed With cgroup v2, the cpuset's cpusallowed mask can be empty indicating that the cpuset will just use the effective CPUs of its parent. So cpusetcanattach can call...

CVE-2022-50101 video: fbdev: vt8623fb: Check the size of screen before memset_io()

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: vt8623fb: Check the size of screen before memsetio In the function vt8623fbsetpar, the value of 'screensize' is calculated by the user input. If the user provides the improper value, the value of 'screensize' may...

CVE-2022-50100 sched/core: Do not requeue task on CPU excluded from cpus_mask

In the Linux kernel, the following vulnerability has been resolved: sched/core: Do not requeue task on CPU excluded from cpusmask The following warning was triggered on a large machine early in boot on a distribution kernel but the same problem should also affect mainline. WARNING: CPU: 439 PID: ...

CVE-2022-50099 video: fbdev: arkfb: Check the size of screen before memset_io()

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: arkfb: Check the size of screen before memsetio In the function arkfbsetpar, the value of 'screensize' is calculated by the user input. If the user provides the improper value, the value of 'screensize' may larger...

CVE-2022-50098

Technical details for CVE-2022-50098 are not provided in the supplied documents; monitor vendor advisories for updates.

CVE-2022-50098 scsi: qla2xxx: Fix crash due to stale SRB access around I/O timeouts

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix crash due to stale SRB access around I/O timeouts Ensure SRB is returned during I/O timeout error escalation. If that is not possible fail the escalation path. Following crash stack was seen: BUG: unable to...

CVE-2022-50096

CVE-2022-50096 – Linux kernel (x86/kprobes) : The issue arises from kprobes not correctly updating the kcb status flag after single-stepping, which could cause a kernel panic if another INT3 user runs immediately after due to misinterpretation of INT3 as kprobe single-stepping. The connected docu...

CVE-2022-50096 x86/kprobes: Update kcb status flag after singlestepping

In the Linux kernel, the following vulnerability has been resolved: x86/kprobes: Update kcb status flag after singlestepping Fix kprobes to update kcb kprobes control block status flag to KPROBEHITSSDONE even if the kp-posthandler is not set. This bug may cause a kernel panic if another INT3 user...

CVE-2022-50094

CVE-2022-50094 relates to Linux kernel spmi trace: trace_spmi_write_begin() and trace_spmi_read_end() use memcpy() with length len + 1, causing a potential stack-out-of-bounds read. A KASAN report demonstrates an out-of-bounds read in trace_event_raw_event_spmi_read_end. The issue affects the SPM...

CVE-2022-50093

CVE-2022-50093 affects the Linux kernel IOMMU VT-d code. The issue arises from using arch_test_bit() with a possibly invalid first argument when NUMA is disabled, causing a potential wild memory access after node_online() returns NUMA_NO_NODE. The fix adds an explicit check for node != NUMA_NO_NO...

CVE-2022-50093 iommu/vt-d: avoid invalid memory access via node_online(NUMA_NO_NODE)

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: avoid invalid memory access via nodeonlineNUMANONODE KASAN reports: 4.668325 T0 BUG: KASAN: wild-memory-access in dmarparseonerhsa arch/x86/include/asm/bitops.h:214 arch/x86/include/asm/bitops.h:226...

CVE-2022-50090 btrfs: replace BTRFS_MAX_EXTENT_SIZE with fs_info->max_extent_size

In the Linux kernel, the following vulnerability has been resolved: btrfs: replace BTRFSMAXEXTENTSIZE with fsinfo-maxextentsize On zoned filesystem, data write out is limited by maxzoneappendsize, and a large ordered extent is split according the size of a bio. OTOH, the number of extents to be...

CVE-2022-50090 btrfs: replace BTRFS_MAX_EXTENT_SIZE with fs_info->max_extent_size

In the Linux kernel, the following vulnerability has been resolved: btrfs: replace BTRFSMAXEXTENTSIZE with fsinfo-maxextentsize On zoned filesystem, data write out is limited by maxzoneappendsize, and a large ordered extent is split according the size of a bio. OTOH, the number of extents to be...

CVE-2022-50091 locking/csd_lock: Change csdlock_debug from early_param to __setup

In the Linux kernel, the following vulnerability has been resolved: locking/csdlock: Change csdlockdebug from earlyparam to setup The csdlockdebug kernel-boot parameter is parsed by the earlyparam function csdlockdebug. If set, csdlockdebug invokes staticbranchenable to enable csdlockwait feature...

CVE-2022-50089

CVE-2022-50089 affects the Linux kernel with the btrfs file system. The issue occurs when cow_file_range() fails mid-allocation (unlock=0) and may leave pages locked, potentially causing a hung task in zoned btrfs setups (as described in the provided reports). The included details show that the f...

CVE-2022-50089 btrfs: ensure pages are unlocked on cow_file_range() failure

In the Linux kernel, the following vulnerability has been resolved: btrfs: ensure pages are unlocked on cowfilerange failure There is a hungtask report on zoned btrfs like below. https://github.com/naota/linux/issues/59 726.328648 INFO: task rocksdb:high0:11085 blocked for more than 241 seconds...

CVE-2022-50089 btrfs: ensure pages are unlocked on cow_file_range() failure

In the Linux kernel, the following vulnerability has been resolved: btrfs: ensure pages are unlocked on cowfilerange failure There is a hungtask report on zoned btrfs like below. https://github.com/naota/linux/issues/59 726.328648 INFO: task rocksdb:high0:11085 blocked for more than 241 seconds...

CVE-2022-50085

The CVE-2022-50085 issue is present in the Linux kernel’s dm-raid path and affects the raid_resume flow. A KASAN warning is triggered when lvmetad tests exercise mddev->raid_disks vs rs->raid_disks, causing an out-of-bounds access in the raid resume loop. The connected OpenVAS/Nessus entrie...

CVE-2022-50085 dm raid: fix address sanitizer warning in raid_resume

In the Linux kernel, the following vulnerability has been resolved: dm raid: fix address sanitizer warning in raidresume There is a KASAN warning in raidresume when running the lvm test lvconvert-raid.sh. The reason for the warning is that mddev-raiddisks is greater than rs-raiddisks, so the loop...

CVE-2022-50079 drm/amd/display: Check correct bounds for stream encoder instances for DCN303

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check correct bounds for stream encoder instances for DCN303 Why & How engid for DCN303 cannot be more than 1, since we have only two instances of stream encoders. Check the correct boundary condition for engine ...