CVE-2022-49179 block, bfq: don't move oom_bfqq

In the Linux kernel, the following vulnerability has been resolved: block, bfq: don't move oombfqq Our test report a UAF: 2073.019181 ================================================================== 2073.019188 BUG: KASAN: use-after-free in bfqputasyncbfqq+0xa0/0x168 2073.019191 Write of size 8...

CVE-2022-49176 bfq: fix use-after-free in bfq_dispatch_request

In the Linux kernel, the following vulnerability has been resolved: bfq: fix use-after-free in bfqdispatchrequest KASAN reports a use-after-free report when doing normal scsi-mq test 69832.239032 ================================================================== 69832.241810 BUG: KASAN:...

CVE-2022-49171

CVE-2022-49171 is a Linux kernel issue in the mm/gup.c path affecting ext4. The race causes [un]pin_user_pages_remote to dirty pages without proper pre-notification to ext4, which can lead to data loss. While the root cause is classed as a bug in mm/gup.c, ext4 is particularly fragile: if another...

CVE-2022-49172 parisc: Fix non-access data TLB cache flush faults

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-2022-49170 f2fs: fix to do sanity check on curseg->alloc_type

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on curseg-alloctype As Wenqing Liu reported in bugzilla: https://bugzilla.kernel.org/showbug.cgi?id=215657 - Overview UBSAN: array-index-out-of-bounds in fs/f2fs/segment.c:3460:2 when mount and operat...

CVE-2022-49166 ntfs: add sanity check on allocation size

In the Linux kernel, the following vulnerability has been resolved: ntfs: add sanity check on allocation size ntfsreadinodemount invokes ntfsmallocnofs with zero allocation size. It triggers one BUG in the ntfsmalloc function. Fix this by adding sanity check on ni-attrlistsize...

CVE-2022-49158

CVE-2022-49158 affects the Linux kernel SCSI driver qla2xxx. The issue is a warning generated when adisc is flushed, where an error code type did not match the expected type. The fix adds translation between error code types to avoid the warning (no documented exploit). The connected advisories c...

CVE-2022-49156

The CVE-2022-49156 entry corresponds to a Linux kernel vulnerability in scsi: qla2xxx where a call into midlayer (fc_remote_port_delete) could sleep in interrupt context, causing a crash via scheduling while atomic. The fix schedules the call in non-interrupt context to avoid sleeping while atomi...

CVE-2022-49151

In the Linux kernel, the following vulnerability has been resolved: can: mcbausb: properly check endpoint type Syzbot reported warning in usbsubmiturb which is caused by wrong endpoint type. We should check that in endpoint is actually present to prevent this warning. Found pipes are now saved to...

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

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-2022-49147 block: Fix the maximum minor value is blk_alloc_ext_minor()

In the Linux kernel, the following vulnerability has been resolved: block: Fix the maximum minor value is blkallocextminor idaallocrange..., min, max, ... returns values from min to max, inclusive. So, NREXTDEVT is a valid idx returned by blkallocextminor. This is an issue because in deviceadddis...

CVE-2022-49143

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CVE-2022-49133

The CVE-2022-49133 issue affects the Linux kernel DRM/AMDKFD component where svm range restore work deadlocks during process exit. The fix moves flush of svm_range_restore_work to kfd_process_wq_release and makes svm_range_restore_work take a task mm reference to prevent deadlock when the last us...

CVE-2022-49130

In CVE-2022-49130, the Linux kernel ath11k subsystem was fixed by replacing mhi_async_power_up() with mhi_sync_power_up() in the MHI path. The crash occurred when amss.bin was missing and ath11k_pci was removed, since the async variant did not check errors. The sync variant adds error checking an...

CVE-2022-49120

CVE-2022-49120 pertains to the Linux kernel SCSI pm8001 path. The vulnerability is a task leak in pm8001_send_abort_all() where allocated SAS tasks may not be freed if pm8001_tag_alloc() or pm8001_mpi_build_cmd() fail. The fix ensures proper freeing of the SAS task in those failure paths. Public ...

CVE-2022-49100 virtio_console: eliminate anonymous module_init & module_exit

In the Linux kernel, the following vulnerability has been resolved: virtioconsole: eliminate anonymous moduleinit & moduleexit Eliminate anonymous moduleinit and moduleexit, which can lead to confusion or ambiguity when reading System.map, crashes/oops/bugs, or an initcalldebug log. Give each of...

CVE-2022-49097 NFS: Avoid writeback threads getting stuck in mempool_alloc()

In the Linux kernel, the following vulnerability has been resolved: NFS: Avoid writeback threads getting stuck in mempoolalloc In a low memory situation, allow the NFS writeback code to fail without getting stuck in infinite loops in mempoolalloc...

CVE-2022-49079 btrfs: zoned: traverse devices under chunk_mutex in btrfs_can_activate_zone

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: traverse devices under chunkmutex in btrfscanactivatezone btrfscanactivatezone can be called with the devicelistmutex already held, which will lead to a deadlock: insertdevextents // Takes devicelistmutex -...

CVE-2022-49077

In the Linux kernel, the following vulnerability has been resolved: mmmremap.c: avoid pointless invalidaterangestart/end on mremapoldsize=0 If an mremap syscall with oldsize=0 ends up in movepagetables, it will call invalidaterangestart/invalidaterangeend unnecessarily, i.e. with an empty range...