CVE-2022-49414 ext4: fix race condition between ext4_write and ext4_convert_inline_data

In the Linux kernel, the following vulnerability has been resolved: ext4: fix race condition between ext4write and ext4convertinlinedata Hulk Robot reported a BUGON: ================================================================== EXT4-fs error device loop3: ext4mbgeneratebuddy:805: group 0,...

CVE-2022-49412

CVE-2022-49412 describes a Linux kernel vulnerability in bfq where merging two bfqq queues could occur with different parent cgroups, potentially leading to a use-after-free if the parent changes between decision to merge and bfq_setup_merge() call. The root cause is reparenting of bfqqs (e.g., d...

CVE-2022-49409

Summary: CVE-2022-49409 covers a Linux kernel ext4 bug that can trigger a BUG_ON in __es_tree_search due to a faulty check in ext4_valid_extent_entries when validating extents. The issue can occur during quota-related quota inode loading, propagating through ext4/extents.c to ext4_bread, quota_re...

CVE-2022-49394 blk-iolatency: Fix inflight count imbalances and IO hangs on offline

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-2022-49390 macsec: fix UAF bug for real_dev

In the Linux kernel, the following vulnerability has been resolved: macsec: fix UAF bug for realdev Create a new macsec device but not get reference to realdev. That can not ensure that realdev is freed after macsec. That will trigger the UAF bug for realdev as following:...

CVE-2022-49391

CVE-2022-49391 — Linux kernel remoteproc mtk_scp double free . The issue concerns the removal path for scp->rproc: it is allocated via devm_rproc_alloc(), so an explicit free in the remove function was unnecessary. The vulnerabilities describe a potential double free in the mtk_scp remoteproc ...

CVE-2022-49386

CVE-2022-49386 concerns the Linux kernel net: ethernet: ti: am65-cpsw-nuss driver. The bug leaks refcounts because of_get_child_by_name() returns a node pointer with an incremented refcount and the code fails to call of_node_put() when the node is no longer needed; am65_cpsw_init_cpts() and am65_...

CVE-2022-49384

CVE-2022-49384 is a Linux kernel vulnerability in the md (memory descriptor) subsystem where io_acct_set bioset could be freed twice. The fix relocates allocation/free of io_acct_set to the personality path and removes freeing in md_free and md_stop. Connected advisories (Astra Linux SUSE securit...

CVE-2022-49384 md: fix double free of io_acct_set bioset

In the Linux kernel, the following vulnerability has been resolved: md: fix double free of ioacctset bioset Now ioacctset is alloc and free in personality. Remove the codes that free ioacctset in mdfree and mdstop...

CVE-2022-49384

In the Linux kernel, the following vulnerability has been resolved: md: fix double free of ioacctset bioset Now ioacctset is alloc and free in personality. Remove the codes that free ioacctset in mdfree and mdstop...

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...