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

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-2022-49126 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-2022-49123 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...

CVE-2021-47646 Revert "Revert "block, bfq: honor already-setup queue merges""

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...

CVE-2021-47646

CVE-2021-47646 (Linux kernel) involves a crash triggered by interactions around block, bfq: honor already-setup queue merges. The vulnerability arose when the commit 2d52c58b9c9b was merged and later reverted by ebc69e897e17; that revert did not introduce the bug, but actually exposed a UAF cause...

CVE-2021-47646 Revert "Revert "block, bfq: honor already-setup queue merges""

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...

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...

CVE-2022-49126: Missing Release of Memory after Effective Lifetime

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-2022-49646: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix queue selection for mesh/OCB interfaces When using iTXQ, the code assumes that there is only one vif queue for broadcast packets, using the BE queue. Allowing non-BE queue marking violates that assumption and...