CVE-2022-49682 xtensa: Fix refcount leak bug in time.c

In the Linux kernel, the following vulnerability has been resolved: xtensa: Fix refcount leak bug in time.c In calibrateccount, offindcompatiblenode will return a node pointer with refcount incremented. We should use ofnodeput when it is not used anymore...

CVE-2022-49662

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix lockdep splat in in6dumpaddrs As reported by syzbot, we should not use rcudereference when rcureadlock is not held. WARNING: suspicious RCU usage 5.19.0-rc2-syzkaller 0 Not tainted net/ipv6/addrconf.c:5175 suspicious...

CVE-2022-49658 bpf: Fix insufficient bounds propagation from adjust_scalar_min_max_vals

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix insufficient bounds propagation from adjustscalarminmaxvals Kuee reported a corner case where the tnum becomes constant after the call to regboundoffset, but the register's bounds are not, that is, its min bounds are sti...

CVE-2022-49636 vlan: fix memory leak in vlan_newlink()

In the Linux kernel, the following vulnerability has been resolved: vlan: fix memory leak in vlannewlink Blamed commit added back a bug I fixed in commit 9bbd917e0bec "vlan: fix memory leak in vlandevsetegresspriority" If a memory allocation fails in vlanchangelink after other allocations...

CVE-2022-49636

In the Linux kernel, the following vulnerability has been resolved: vlan: fix memory leak in vlannewlink Blamed commit added back a bug I fixed in commit 9bbd917e0bec "vlan: fix memory leak in vlandevsetegresspriority" If a memory allocation fails in vlanchangelink after other allocations...

CVE-2022-49636 vlan: fix memory leak in vlan_newlink()

In the Linux kernel, the following vulnerability has been resolved: vlan: fix memory leak in vlannewlink Blamed commit added back a bug I fixed in commit 9bbd917e0bec "vlan: fix memory leak in vlandevsetegresspriority" If a memory allocation fails in vlanchangelink after other allocations...

CVE-2022-49625 sfc: fix kernel panic when creating VF

In the Linux kernel, the following vulnerability has been resolved: sfc: fix kernel panic when creating VF When creating VFs a kernel panic can happen when calling to efxef10tryupdatenicstatsvf. When releasing a DMA coherent buffer, sometimes, I don't know in what specific circumstances, it has t...

CVE-2022-49625

CVE-2022-49625: In the Linux kernel, the sfc driver could trigger a kernel panic when creating VFs due to a faulty buffer release path in vunmap in IRQ context. The issue stems from an IRQ/BH context restriction during DMA buffer release, with a patch that re-enables BH to safely release the buff...

CVE-2022-49621 cpufreq: pmac32-cpufreq: Fix refcount leak bug

In the Linux kernel, the following vulnerability has been resolved: cpufreq: pmac32-cpufreq: Fix refcount leak bug In pmaccpufreqinitMacRISC3, we need to add corresponding ofnodeput for the three node pointers whose refcount have been incremented by offindnodebyname...

CVE-2022-49591 net: dsa: microchip: ksz_common: Fix refcount leak bug

In the Linux kernel, the following vulnerability has been resolved: net: dsa: microchip: kszcommon: Fix refcount leak bug In kszswitchregister, we should call ofnodeput for the reference returned by ofgetchildbyname which has increased the refcount...

CVE-2022-49567 mm/mempolicy: fix uninit-value in mpol_rebind_policy()

In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: fix uninit-value in mpolrebindpolicy mpolsetnodemaskmm/mempolicy.c does not set up nodemask when pol-mode is MPOLLOCAL. Check pol-mode before access pol-w.cpusetmemsallowed in mpolrebindpolicymm/mempolicy.c. BUG:...

CVE-2022-49546

Technical details (affected product/version, root cause, impact, fix specifics) are not publicly provided in the connected documents. Monitor for updates.

CVE-2022-49476 mt76: mt7921: fix kernel crash at mt7921_pci_remove

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7921: fix kernel crash at mt7921pciremove The crash log shown it is possible that mt7921irqhandler is called while devmfreeirq is being handled so mt76freedevice need to be postponed until devmfreeirq is completed to solv...

CVE-2022-49450 rxrpc: Fix listen() setting the bar too high for the prealloc rings

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix listen setting the bar too high for the prealloc rings AFRXRPC's listen handler lets you set the backlog up to 32 if you bump up the sysctl, but whilst the preallocation circular buffers have 32 slots in them, one of...

CVE-2022-49445 pinctrl: renesas: core: Fix possible null-ptr-deref in sh_pfc_map_resources()

In the Linux kernel, the following vulnerability has been resolved: pinctrl: renesas: core: Fix possible null-ptr-deref in shpfcmapresources It will cause null-ptr-deref when using 'res', if platformgetresource returns NULL, so move using 'res' after devmioremapresource that will check it to avoi...

CVE-2022-49420

CVE-2022-49420 documents a data race in the Linux kernel involving UDP path: UDP sendmsg() reads sk->sk_bound_dev_if while it can be changed by another thread, and UDP wake/receive paths around __ip6_datagram_connect and udpv6_sendmsg. The issue is in net/ipv6/udp.c and related dgram/connect c...

CVE-2022-49412 bfq: Avoid merging queues with different parents

In the Linux kernel, the following vulnerability has been resolved: bfq: Avoid merging queues with different parents It can happen that the parent of a bfqq changes between the moment we decide two queues are worth to merge and set bic-stablemergebfqq and the moment bfqsetupmerge is called. This...

CVE-2022-49409 ext4: fix bug_on in __es_tree_search

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bugon in estreesearch Hulk Robot reported a BUGON: ================================================================== kernel BUG at fs/ext4/extentsstatus.c:199! ... RIP: 0010:ext4esend fs/ext4/extentsstatus.c:199 inline...

CVE-2022-49393 misc: fastrpc: fix list iterator in fastrpc_req_mem_unmap_impl

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: fix list iterator in fastrpcreqmemunmapimpl This is another instance of incorrect use of list iterator and checking it for NULL. The list iterator value 'map' will always be set and non-NULL by listforeachentry, so...

CVE-2022-49390

The CVE-2022-49390 entry concerns a Linux kernel macsec vulnerability in which a new macsec device could be created without holding a reference to the underlying real_dev, enabling a use-after-free in macsec_get_iflink and related paths. Root cause: lack of proper reference handling for real_dev ...