CVE-2022-48730

In the Linux kernel, the following vulnerability has been resolved: dma-buf: heaps: Fix potential spectre v1 gadget It appears like nr could be a Spectre v1 gadget as it's supplied by a user and used as an array index. Prevent the contents of kernel memory from being leaked to userspace via...

UBUNTU-CVE-2022-48771

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Fix stale file descriptors on failed usercopy A failing usercopy of the fencerep object will lead to a stale entry in the file descriptor table as putunusedfd won't release it. This enables userland to refer to a...

UBUNTU-CVE-2022-48749

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: invalid parameter check in dpusetupdspppcc The function performs a check on the "ctx" input parameter, however, it is used before the check. Initialize the "base" variable after the sanity check to avoid a possible...

CVE-2022-48770 bpf: Guard against accessing NULL pt_regs in bpf_get_task_stack()

In the Linux kernel, the following vulnerability has been resolved: bpf: Guard against accessing NULL ptregs in bpfgettaskstack taskptregs can return NULL on powerpc for kernel threads. This is then used in bpfgetstack to check for user mode, resulting in a kernel oops. Guard against this by...

CVE-2022-48761 usb: xhci-plat: fix crash when suspend if remote wake enable

In the Linux kernel, the following vulnerability has been resolved: usb: xhci-plat: fix crash when suspend if remote wake enable Crashed at i.mx8qm platform when suspend if enable remote wakeup Internal error: synchronous external abort: 96000210 1 PREEMPT SMP Modules linked in: CPU: 2 PID: 244...

CVE-2022-48758 scsi: bnx2fc: Flush destroy_work queue before calling bnx2fc_interface_put()

In the Linux kernel, the following vulnerability has been resolved: scsi: bnx2fc: Flush destroywork queue before calling bnx2fcinterfaceput The bnx2fcdestroy functions are removing the interface before calling destroywork. This results multiple WARNings from sysfsremovegroup as the controller rpo...

CVE-2022-48747

The Linux kernel contains a vulnerability in the block module's bio_truncate() function. The root cause is an incorrect offset used for the page, which prevents the function from correctly clearing the buffer outside of the last block of the block device (bdev ). This flaw can result in the syste...

CVE-2022-48740 selinux: fix double free of cond_list on error paths

In the Linux kernel, the following vulnerability has been resolved: selinux: fix double free of condlist on error paths On error path from condreadlist and duplicatepolicydbcondlist the condlistdestroy gets called a second time in caller functions, resulting in NULL pointer deref. Fix this by...

CVE-2022-48728 IB/hfi1: Fix AIP early init panic

In the Linux kernel, the following vulnerability has been resolved: IB/hfi1: Fix AIP early init panic An early failure in hfi1ipoibsetuprn can lead to the following panic: BUG: unable to handle kernel NULL pointer dereference at 00000000000001b0 PGD 0 P4D 0 Oops: 0002 1 SMP NOPTI Workqueue: event...

CVE-2022-48726 RDMA/ucma: Protect mc during concurrent multicast leaves

In the Linux kernel, the following vulnerability has been resolved: RDMA/ucma: Protect mc during concurrent multicast leaves Partially revert the commit mentioned in the Fixes line to make sure that allocation and erasing multicast struct are locked. BUG: KASAN: use-after-free in...

CVE-2022-48721

In the Linux kernel, the following vulnerability has been resolved: net/smc: Forward wakeup to smc socket waitqueue after fallback When we replace TCP with SMC and a fallback occurs, there may be some socket waitqueue entries remaining in smc socket-wq, such as eppollentries inserted by userspace...

CVE-2022-48717

CVE-2022-48717 concerns the Linux kernel ASoC max9759 driver, where an underflow could occur in speaker_gain_control_put() if priv->gain is negative, risking out-of-bounds access via snd_ctl_elem_write_user()/snd_ctl_elem_write()/kctl->put(). The fix adds a check for negative values of priv...

CVE-2021-47606

In the Linux kernel, the following vulnerability has been resolved: net: netlink: afnetlink: Prevent empty skb by adding a check on len. Adding a check on len parameter to avoid empty skb. This prevents a division error in netemenqueue function which is caused when skb-len=0 and skb-datalen=0 in...

CVE-2024-36979

A use-after-free flaw was found in net/bridge/brmst.c in the Linux kernel. This issue may lead to compromised Confidentiality and Integrity, and can crash...

CVE-2022-48762

In the Linux kernel, the following vulnerability has been resolved: arm64: extable: fix loadunalignedzeropad reg indices In exhandlerloadunalignedzeropad we erroneously extract the data and addr register indices from ex-type rather than ex-data. As ex-type will contain EXTYPELOADUNALIGNEDZEROPAD...

CVE-2022-48719

In the Linux kernel, the following vulnerability has been resolved: net, neigh: Do not trigger immediate probes on NUDFAILED from neighmanagedwork syzkaller was able to trigger a deadlock for NTFMANAGED entries 0: kworker/0:16/14617 is trying to acquire lock: ffffffff8d4dd370 &tbl-lock++-.-2:2, a...

Linux kernel security vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that originates from the USB:core module fixing a hang in usbkillurb by adding a memory barrier...

CVE-2022-48743

In the Linux kernel, the following vulnerability has been resolved: net: amd-xgbe: Fix skb data length underflow There will be BUGON triggered in include/linux/skbuff.h leading to intermittent kernel panic, when the skb length underflow is detected. Fix this by dropping the packet if such length...

CVE-2022-48713

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel/pt: Fix crash with stop filters in single-range mode Add a check for !buf-single before calling ptbufferregionsize in a place where a missing check can cause a kernel crash. Fixes a bug introduced by commit...

CVE-2021-47613

In the Linux kernel, the following vulnerability has been resolved: i2c: virtio: fix completion handling The driver currently assumes that the notify callback is only received when the device is done with all the queued buffers. However, this is not true, since the notify callback could be called...