CVE-2022-49385 driver: base: fix UAF when driver_attach failed

In the Linux kernel, the following vulnerability has been resolved: driver: base: fix UAF when driverattach failed When driverattachdrv; failed, the driverprivate will be freed. But it has been added to the bus, which caused a UAF. To fix it, we need to delete it from the bus when failed...

CVE-2022-49382 soc: rockchip: Fix refcount leak in rockchip_grf_init

In the Linux kernel, the following vulnerability has been resolved: soc: rockchip: Fix refcount leak in rockchipgrfinit offindmatchingnodeandmatch returns a node pointer with refcount incremented, we should use ofnodeput on it when done. Add missing ofnodeput to avoid refcount leak...

CVE-2022-49381

In the Linux kernel, the following vulnerability has been resolved: jffs2: fix memory leak in jffs2dofillsuper If jffs2iget or dmakeroot in jffs2dofillsuper returns an error, we can observe the following kmemleak report: -------------------------------------------- unreferenced object...

CVE-2022-49379 driver core: Fix wait_for_device_probe() & deferred_probe_timeout interaction

In the Linux kernel, the following vulnerability has been resolved: driver core: Fix waitfordeviceprobe & deferredprobetimeout interaction Mounting NFS rootfs was timing out when deferredprobetimeout was non-zero 1. This was because ipautoconfig initcall times out waiting for the network interfac...

CVE-2022-49377 blk-mq: don't touch ->tagset in blk_mq_get_sq_hctx

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-2022-49377 blk-mq: don't touch ->tagset in blk_mq_get_sq_hctx

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-2022-49367 net: dsa: mv88e6xxx: Fix refcount leak in mv88e6xxx_mdios_register

In the Linux kernel, the following vulnerability has been resolved: net: dsa: mv88e6xxx: Fix refcount leak in mv88e6xxxmdiosregister ofgetchildbyname returns a node pointer with refcount incremented, we should use ofnodeput on it when done. mv88e6xxxmdioregister pass the device node to...

CVE-2022-49362 NFSD: Fix potential use-after-free in nfsd_file_put()

In the Linux kernel, the following vulnerability has been resolved: NFSD: Fix potential use-after-free in nfsdfileput nfsdfileputnoref can free @nf, so don't dereference @nf immediately upon return from nfsdfileputnoref...

CVE-2022-49363 f2fs: fix to do sanity check on block address in f2fs_do_zero_range()

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on block address in f2fsdozerorange As Yanming reported in bugzilla: https://bugzilla.kernel.org/showbug.cgi?id=215894 I have encountered a bug in F2FS file system in kernel v5.17. I have uploaded the...

CVE-2022-49362 NFSD: Fix potential use-after-free in nfsd_file_put()

In the Linux kernel, the following vulnerability has been resolved: NFSD: Fix potential use-after-free in nfsdfileput nfsdfileputnoref can free @nf, so don't dereference @nf immediately upon return from nfsdfileputnoref...

CVE-2022-49360

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on totaldatablocks As Yanming reported in bugzilla: https://bugzilla.kernel.org/showbug.cgi?id=215916 The kernel message is shown below: kernel BUG at fs/f2fs/segment.c:2560! Call Trace:...

CVE-2022-49359 drm/panfrost: Job should reference MMU not file_priv

In the Linux kernel, the following vulnerability has been resolved: drm/panfrost: Job should reference MMU not filepriv For a while now it's been allowed for a MMU context to outlive it's corresponding panfrostpriv, however the job structure still references panfrostpriv to get hold of the MMU...

CVE-2022-49351 net: altera: Fix refcount leak in altera_tse_mdio_create

In the Linux kernel, the following vulnerability has been resolved: net: altera: Fix refcount leak in alteratsemdiocreate Every iteration of foreachchildofnode decrements the reference count of the previous node. When break from a foreachchildofnode loop, we need to explicitly call ofnodeput on t...

CVE-2022-49350

In the Linux kernel, the following vulnerability has been resolved: net: mdio: unexport init-annotated mdiobusinit EXPORTSYMBOL and init is a bad combination because the .init.text section is freed up after the initialization. Hence, modules cannot use symbols annotated init. The access to a free...

CVE-2022-49338

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: CT: Fix cleanup of CT before cleanup of TC ct rules CT cleanup assumes that all tc rules were deleted first, and so is free to delete the CT shared resources e.g the draction fwdaction which is shared for all tuples. B...

CVE-2022-49338 net/mlx5e: CT: Fix cleanup of CT before cleanup of TC ct rules

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: CT: Fix cleanup of CT before cleanup of TC ct rules CT cleanup assumes that all tc rules were deleted first, and so is free to delete the CT shared resources e.g the draction fwdaction which is shared for all tuples. B...

CVE-2022-49338

CVE-2022-49338 affects the Linux kernel in the Mellanox mlx5 core path: CT cleanup happens after TC ct rules cleanup, risking use-after-free of CT shared resources when uplink cleanup ordering is reversed. The resolved description states the fix is to reverse the cleanup/init order so that TC cle...

CVE-2022-49329 vduse: Fix NULL pointer dereference on sysfs access

In the Linux kernel, the following vulnerability has been resolved: vduse: Fix NULL pointer dereference on sysfs access The control device has no drvdata. So we will get a NULL pointer dereference when accessing control device's msgtimeout attribute via sysfs: 132.841881 T3644 BUG: kernel NULL...

CVE-2022-49328 mt76: fix use-after-free by removing a non-RCU wcid pointer

In the Linux kernel, the following vulnerability has been resolved: mt76: fix use-after-free by removing a non-RCU wcid pointer Fixes an issue caught by KASAN about use-after-free in mt76txqschedule by protecting mtxq-wcid with rculock between mt76txqschedule and stainfoalloc, free. 18853.876689...

CVE-2022-49323

In the Linux kernel, the following vulnerability has been resolved: iommu/arm-smmu: fix possible null-ptr-deref in armsmmudeviceprobe It will cause null-ptr-deref when using 'res', if platformgetresource returns NULL, so move using 'res' after devmioremapresource that will check it to avoid...