CVE-2022-49377

CVE-2022-49377 is a Linux kernel vulnerability in the block multi-queue (blk-mq) path. The root cause was a use-after-free involving ->tagset during blk_mq_run_hw_queues, when there were no queued requests and the tagset could be freed after blk_cleanup_queue. The fix disables touching tagset ...

CVE-2022-49371 driver core: fix deadlock in __device_attach

In the Linux kernel, the following vulnerability has been resolved: driver core: fix deadlock in deviceattach In deviceattach function, The lock holding logic is as follows: ... deviceattach devicelockdev // get lock dev asyncscheduledevdeviceattachasynchelper, dev; // func asyncschedulenode...

CVE-2022-49344 af_unix: Fix a data-race in unix_dgram_peer_wake_me().

In the Linux kernel, the following vulnerability has been resolved: afunix: Fix a data-race in unixdgrampeerwakeme. unixdgrampoll calls unixdgrampeerwakeme without other's lock held and check if its receive queue is full. Here we need to use unixrecvqfulllockless instead of unixrecvqfull, otherwi...

CVE-2022-49312 staging: rtl8712: fix a potential memory leak in r871xu_drv_init()

In the Linux kernel, the following vulnerability has been resolved: staging: rtl8712: fix a potential memory leak in r871xudrvinit In r871xudrvinit, if r8712initdrvsw fails, then the memory allocated by r8712allocioqueue in r8712usbdvobjinit is not properly released as there is no action will be...

CVE-2022-49257 watch_queue: Fix NULL dereference in error cleanup

In the Linux kernel, the following vulnerability has been resolved: watchqueue: Fix NULL dereference in error cleanup In watchqueuesetsize, the error cleanup code doesn't take account of the fact that freepage can't handle a NULL pointer when trying to free up buffer pages that did get allocated...

CVE-2022-49256

CVE-2022-49256 : In the Linux kernel, the watch_queue memory leak occurs because free_watch() forgets to free the watch object. The fix adds the missing kfree to actually free the watch and prevent the leak (kmemleak reports show an unreferenced object and backtraces through keyctl_watch_key and ...

CVE-2022-49256

In the Linux kernel, the following vulnerability has been resolved: watchqueue: Actually free the watch freewatch does everything barring actually freeing the watch object. Fix this by adding the missing kfree. kmemleak produces a report something like the following. Note that as an address can b...

CVE-2022-49209 bpf, sockmap: Fix memleak in tcp_bpf_sendmsg while sk msg is full

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix memleak in tcpbpfsendmsg while sk msg is full If tcpbpfsendmsg is running while sk msg is full. When skmsgalloc returns -ENOMEM error, tcpbpfsendmsg goes to waitformemory. If partial memory has been alloced by...

CVE-2022-49207 bpf, sockmap: Fix memleak in sk_psock_queue_msg

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix memleak in skpsockqueuemsg If tcpbpfsendmsg is running during a tear down operation we may enqueue data on the ingress msg queue while tear down is trying to free it. sk1 redirect sk2 sk2 -------------------...

CVE-2022-49148

The CVE-2022-49148 entry concerns a Linux kernel vulnerability where, during dismantling of watch_queue, the page array was not freed, leaving a memory leak. The issue was addressed by a patch sequence that first frees the alloc bitmap when tearing down watch_queue (commit 7ea1a0124b6d) and then ...

CVE-2022-49148 watch_queue: Free the page array when watch_queue is dismantled

In the Linux kernel, the following vulnerability has been resolved: watchqueue: Free the page array when watchqueue is dismantled Commit 7ea1a0124b6d "watchqueue: Free the alloc bitmap when the watchqueue is torn down" took care of the bitmap, but not the page array. BUG: memory leak unreferenced...

CVE-2022-49148 watch_queue: Free the page array when watch_queue is dismantled

In the Linux kernel, the following vulnerability has been resolved: watchqueue: Free the page array when watchqueue is dismantled Commit 7ea1a0124b6d "watchqueue: Free the alloc bitmap when the watchqueue is torn down" took care of the bitmap, but not the page array. BUG: memory leak unreferenced...

CVE-2022-49126 scsi: mpi3mr: Fix memory leaks

In the Linux kernel, the following vulnerability has been resolved: scsi: mpi3mr: Fix memory leaks Fix memory leaks related to operational reply queue's memory segments which are not getting freed while unloading the driver...

CVE-2022-49126 scsi: mpi3mr: Fix memory leaks

In the Linux kernel, the following vulnerability has been resolved: scsi: mpi3mr: Fix memory leaks Fix memory leaks related to operational reply queue's memory segments which are not getting freed while unloading the driver...

CVE-2022-49126

CVE-2022-49126 concerns the Linux kernel component scsi/mpi3mr. The issue is described as memory leaks in the operational reply queue’s memory segments that are not freed when unloading the driver. The entry states a fix for these leaks has been implemented. No exploitation details are provided i...

CVE-2022-49123 ath11k: Fix frames flush failure caused by deadlock

In the Linux kernel, the following vulnerability has been resolved: ath11k: Fix frames flush failure caused by deadlock We are seeing below warnings: kernel: 25393.301506 ath11kpci 0000:01:00.0: failed to flush mgmt transmit queue 0 kernel: 25398.421509 ath11kpci 0000:01:00.0: failed to flush mgm...

CVE-2022-49123 ath11k: Fix frames flush failure caused by deadlock

In the Linux kernel, the following vulnerability has been resolved: ath11k: Fix frames flush failure caused by deadlock We are seeing below warnings: kernel: 25393.301506 ath11kpci 0000:01:00.0: failed to flush mgmt transmit queue 0 kernel: 25398.421509 ath11kpci 0000:01:00.0: failed to flush mgm...

CVE-2022-49096 net: sfc: add missing xdp queue reinitialization

In the Linux kernel, the following vulnerability has been resolved: net: sfc: add missing xdp queue reinitialization After rx/tx ring buffer size is changed, kernel panic occurs when it acts XDPTX or XDPREDIRECT. When tx/rx ring buffer size is changedethtool -G, sfc driver reallocates and...

CVE-2022-49096 net: sfc: add missing xdp queue reinitialization

In the Linux kernel, the following vulnerability has been resolved: net: sfc: add missing xdp queue reinitialization After rx/tx ring buffer size is changed, kernel panic occurs when it acts XDPTX or XDPREDIRECT. When tx/rx ring buffer size is changedethtool -G, sfc driver reallocates and...

CVE-2022-49093 skbuff: fix coalescing for page_pool fragment recycling

In the Linux kernel, the following vulnerability has been resolved: skbuff: fix coalescing for pagepool fragment recycling Fix a use-after-free when using pagepool with page fragments. We encountered this problem during normal RX in the hns3 driver: 1 Initially we have three descriptors in the RX...