CVE-2022-49536 scsi: lpfc: Fix SCSI I/O completion and abort handler deadlock

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix SCSI I/O completion and abort handler deadlock During stress I/O tests with 500+ vports, hard LOCKUP call traces are observed. CPU A: nativequeuedspinlockslowpath+0x192 rawspinlockirqsave+0x32 lpfchandlefcperr+0x4...

CVE-2022-49531

The CVE-2022-49531 issue concerns the Linux kernel loop driver’s handling of the lo_device stored in gendisk private data. The vulnerability fix updates the lifecycle so that the lo_device remains valid until the gendisk is freed, addressing a potential deadlock by relaxing safety checks in loop....

CVE-2022-49504

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Inhibit aborts if external loopback plug is inserted After running a short external loopback test, when the external loopback is removed and a normal cable inserted that is directly connected to a target device, the...

CVE-2022-49413 bfq: Update cgroup information before merging bio

In the Linux kernel, the following vulnerability has been resolved: bfq: Update cgroup information before merging bio When the process is migrated to a different cgroup or in case of writeback just starts submitting bios associated with a different cgroup bfqmergebio can operate with stale cgroup...

CVE-2022-49413 bfq: Update cgroup information before merging bio

In the Linux kernel, the following vulnerability has been resolved: bfq: Update cgroup information before merging bio When the process is migrated to a different cgroup or in case of writeback just starts submitting bios associated with a different cgroup bfqmergebio can operate with stale cgroup...

CVE-2022-49412 bfq: Avoid merging queues with different parents

In the Linux kernel, the following vulnerability has been resolved: bfq: Avoid merging queues with different parents It can happen that the parent of a bfqq changes between the moment we decide two queues are worth to merge and set bic-stablemergebfqq and the moment bfqsetupmerge is called. This...

CVE-2022-49413

CVE-2022-49413 affects the Linux kernel bfq driver (bfq_merge_bio). The vulnerability arises when a process migrates to a different cgroup or writeback starts bios for another cgroup, leaving stale cgroup data in bfq’s bic and potentially merging requests across distinct or dead bfq queues, riski...

CVE-2022-49413

In the Linux kernel, the following vulnerability has been resolved: bfq: Update cgroup information before merging bio When the process is migrated to a different cgroup or in case of writeback just starts submitting bios associated with a different cgroup bfqmergebio can operate with stale cgroup...

CVE-2022-49394

In the Linux kernel, the following vulnerability has been resolved: blk-iolatency: Fix inflight count imbalances and IO hangs on offline iolatency needs to track the number of inflight IOs per cgroup. As this tracking can be expensive, it is disabled when no cgroup has iolatency configured for th...

CVE-2022-49393

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: fix list iterator in fastrpcreqmemunmapimpl This is another instance of incorrect use of list iterator and checking it for NULL. The list iterator value 'map' will always be set and non-NULL by listforeachentry, so...

CVE-2022-49377

In the Linux kernel, the following vulnerability has been resolved: blk-mq: don't touch -tagset in blkmqgetsqhctx blkmqrunhwqueues could be run when there isn't queued request and after queue is cleaned up, at that time tagset is freed, because tagset lifetime is covered by driver, and often free...

CVE-2022-49330 tcp: fix tcp_mtup_probe_success vs wrong snd_cwnd

In the Linux kernel, the following vulnerability has been resolved: tcp: fix tcpmtupprobesuccess vs wrong sndcwnd syzbot got a new report 1 finally pointing to a very old bug, added in initial support for MTU probing. tcpmtuprobe has checks about starting an MTU probe if tcpsndcwndtp = 11. But...

CVE-2022-49194 net: bcmgenet: Use stronger register read/writes to assure ordering

In the Linux kernel, the following vulnerability has been resolved: net: bcmgenet: Use stronger register read/writes to assure ordering GCC12 appears to be much smarter about its dependency tracking and is aware that the relaxed variants are just normal loads and stores and this is causing proble...

CVE-2022-49172

Summary: CVE-2022-49172 pertains to the Linux kernel parisc line. The root cause was non-access data TLB faults from flush_user_dcache_range_asm and flush_user_icache_range_asm when pages are not present, leading to cache lines not being invalidated and potential memory corruption. Impact details...

CVE-2022-49172

In the Linux kernel, the following vulnerability has been resolved: parisc: Fix non-access data TLB cache flush faults When a page is not present, we get non-access data TLB faults from the fdc and fic instructions in flushuserdcacherangeasm and flushusericacherangeasm. When these occur, the cach...

CVE-2022-49146 virtio: use virtio_device_ready() in virtio_device_restore()

In the Linux kernel, the following vulnerability has been resolved: virtio: use virtiodeviceready in virtiodevicerestore After waking up a suspended VM, the kernel prints the following trace for virtio drivers which do not directly call virtiodeviceready in the .restore: PM: suspend exit irq 22:...

CVE-2022-49085

In the Linux kernel, the following vulnerability has been resolved: drbd: Fix five use after free bugs in getinitialstate In getinitialstate, it calls notifyinitialstatedoneskb,.. if cb-args5==1. If genlmsgput failed in notifyinitialstatedone, the skb will be freed by nlmsgfreeskb. Then...

CVE-2022-49081 highmem: fix checks in __kmap_local_sched_{in,out}

In the Linux kernel, the following vulnerability has been resolved: highmem: fix checks in kmaplocalschedin,out When CONFIGDEBUGKMAPLOCAL is enabled kmaplocalschedin,out check that even slots in the tsk-kmapctrl.pteval are unmapped. The slots are initialized with 0 value, but the check is done wi...

CVE-2022-49072

In the Linux kernel, the following vulnerability has been resolved: gpio: Restrict usage of GPIO chip irq members before initialization GPIO chip irq members are exposed before they could be completely initialized and this leads to race conditions. One such issue was observed for the gc-irq.domai...

CVE-2021-47646

In the Linux kernel, the following vulnerability has been resolved: Revert "Revert "block, bfq: honor already-setup queue merges"" A crash 1 happened to be triggered in conjunction with commit 2d52c58b9c9b "block, bfq: honor already-setup queue merges". The latter was then reverted by commit...