UBUNTU-CVE-2022-49128

In the Linux kernel, the following vulnerability has been resolved: drm/bridge: Add missing pmruntimeputsync pmruntimegetsync will increase the rumtime PM counter even when it returns an error. Thus a pairing decrement is needed to prevent refcount leak. Fix this by replacing this API with...

UBUNTU-CVE-2022-49197

In the Linux kernel, the following vulnerability has been resolved: afnetlink: Fix shift out of bounds in group mask calculation When a netlink message is received, netlinkrecvmsg fills in the address of the sender. One of the fields is the 32-bit bitfield nlgroups, which carries the multicast...

UBUNTU-CVE-2022-49120

In the Linux kernel, the following vulnerability has been resolved: scsi: pm8001: Fix task leak in pm8001sendabortall In pm8001sendabortall, make sure to free the allocated sas task if pm8001tagalloc or pm8001mpibuildcmd fail...

UBUNTU-CVE-2022-49174

In the Linux kernel, the following vulnerability has been resolved: ext4: fix ext4mbmarkbb with flexbg with fastcommit In case of flexbg feature which is by default enabled, extents for any given inode might span across blocks from two different block group. ext4mbmarkbb only reads the bufferhead...

UBUNTU-CVE-2022-49068

In the Linux kernel, the following vulnerability has been resolved: btrfs: release correct delalloc amount in direct IO write path Running generic/406 causes the following WARNING in btrfsdestroyinode which tells there are outstanding extents left. In btrfsgetblocksdirectwrite, we reserve a...

UBUNTU-CVE-2022-49166

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...

UBUNTU-CVE-2022-49229

In the Linux kernel, the following vulnerability has been resolved: ptp: unregister virtual clocks when unregistering physical clock. When unregistering a physical clock which has some virtual clocks, unregister the virtual clocks with it. This fixes the following oops, which can be triggered by...

UBUNTU-CVE-2022-49075

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix qgroup reserve overflow the qgroup limit We use extentchangeset-byteschanged in qgroupreservedata to record how many bytes we set for EXTENTQGROUPRESERVED state. Currently the byteschanged is set as "unsigned int", and...

UBUNTU-CVE-2022-49121

In the Linux kernel, the following vulnerability has been resolved: scsi: pm8001: Fix tag leaks on error In pm8001chipsetdevstatereq, pm8001chipfwflashupdatereq, pm80xxchipphyctlreq and pm8001chipregdevreq add missing calls to pm8001tagfree to free the allocated tag when pm8001mpibuildcmd fails...

CVE-2022-49725

CVE-2022-49725 affects the Linux kernel i40e driver (Intel Ethernet) and relates to a crash after PF reset when ethtool -t tests are run in close succession. The root cause is a race between pf reset calling i40e_vsi_close in prep_for_reset and ethtool -t calling i40e_vsi_close in diag_test, wher...

CVE-2022-49697 bpf: Fix request_sock leak in sk lookup helpers

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix requestsock leak in sk lookup helpers A customer reported a requestsocket leak in a Calico cloud environment. We found that a BPF program was doing a socket lookup with takes a refcnt on the socket and that it was findin...

CVE-2022-49696 tipc: fix use-after-free Read in tipc_named_reinit

In the Linux kernel, the following vulnerability has been resolved: tipc: fix use-after-free Read in tipcnamedreinit syzbot found the following issue on: ================================================================== BUG: KASAN: use-after-free in tipcnamedreinit+0x94f/0x9b0...

CVE-2022-49653

The CVE refers to a Linux kernel i2c piix4 EFCH MMIO memory leak introduced by EFCH MMIO support. The root cause was release_resource() not freeing memory, causing leak; the fix uses release_mem_region() to free memory and restore symmetry between legacy and MMIO paths. Affected component: Linux ...

CVE-2022-49619 net: sfp: fix memory leak in sfp_probe()

In the Linux kernel, the following vulnerability has been resolved: net: sfp: fix memory leak in sfpprobe sfpprobe allocates a memory chunk from sfp with sfpalloc. When devmaddaction fails, sfp is not freed, which leads to a memory leak. We should use devmaddactionorreset instead of devmaddaction...

CVE-2022-49592

CVE-2022-49592 affects the Linux kernel driver net/stmmac: a left-shift overflow in MTL_RXQ_DMA_MAP1 occurs when the number of TX/RX queues exceeds four, due to a 32‑bit mask calculation. UBSAN reports show a shift-out-of-bounds during UBSAN checks, leading to a potential warning path in dwmac4_c...

CVE-2022-49592 net: stmmac: fix dma queue left shift overflow issue

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: fix dma queue left shift overflow issue When queue number is 4, left shift overflows due to 32 bits integer variable. Mask calculation is wrong for MTLRXQDMAMAP1. If CONFIGUBSAN is enabled, kernel dumps below warning...

CVE-2022-49583 iavf: Fix handling of dummy receive descriptors

In the Linux kernel, the following vulnerability has been resolved: iavf: Fix handling of dummy receive descriptors Fix memory leak caused by not handling dummy receive descriptor properly. iavfgetrxbuffer now sets the rxbuffer return value for dummy receive descriptors. Without this patch, when...

CVE-2022-49554 zsmalloc: fix races between asynchronous zspage free and page migration

In the Linux kernel, the following vulnerability has been resolved: zsmalloc: fix races between asynchronous zspage free and page migration The asynchronous zspage free worker tries to lock a zspage's entire page list without defending against page migration. Since pages which haven't yet been...

CVE-2022-49549 x86/MCE/AMD: Fix memory leak when threshold_create_bank() fails

In the Linux kernel, the following vulnerability has been resolved: x86/MCE/AMD: Fix memory leak when thresholdcreatebank fails In mcethresholdcreatedevice, if thresholdcreatebank fails, the previously allocated threshold banks array @bp will be leaked because the call to mcethresholdremovedevice...

CVE-2022-49541

The CVE-2022-49541 issue is a Linux kernel CIFS vulnerability: a potential double free during a failed mount. It is classed as HIGH severity (LOCAL access, LOW attack complexity) with impact to confidentiality, integrity, and availability as per the CVSS metrics. Connected advisories (SUSE/RHEL-r...