UBUNTU-CVE-2021-47532

In the Linux kernel, the following vulnerability has been resolved: drm/msm/devfreq: Fix OPP refcnt leak...

CVE-2021-47562 ice: fix vsi->txq_map sizing

In the Linux kernel, the following vulnerability has been resolved: ice: fix vsi-txqmap sizing The approach of having XDP queue per CPU regardless of user's setting exposed a hidden bug that could occur in case when Rx queue count differ from Tx queue count. Currently vsi-txqmap's size is equal t...

CVE-2021-47500 iio: mma8452: Fix trigger reference couting

In the Linux kernel, the following vulnerability has been resolved: iio: mma8452: Fix trigger reference couting The mma8452 driver directly assigns a trigger to the struct iiodev. The IIO core when done using this trigger will call iiotriggerput to drop the reference count by 1. Without the...

Linux kernel 安全漏洞

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 stems from an OPP refcnt leak in the drm/msm/devfreq module...

Linux kernel 安全漏洞

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 stems from an underflow problem with realdev refcnt...

Linux kernel 安全漏洞

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 Linux kernel, which stems from a reference count underflow...

CVE-2023-52848

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to drop metainode's page cache in f2fsputsuper syzbot reports a kernel bug as below: F2FS-fs loop1: detect filesystem reference count leak during umount, type: 10, count: 1 kernel BUG at fs/f2fs/super.c:1639! CPU: 0 PID...

CVE-2021-47467

In the Linux kernel, the following vulnerability has been resolved: kunit: fix reference count leak in kfreeatend The reference counting issue happens in the normal path of kfreeatend. When kunitallocandgetresource is invoked, the function forgets to handle the returned resource object, whose...

CVE-2021-47454

A vulnerability was found in the Linux kernel's powerpc/smp architecture, where the idle task's preemption count was incorrectly decremented during the CPU offline process. This issue caused a "scheduling while atomic" error when a CPU was offlined and then onlined again, leading to potential...

ax25: Fix netdev refcount issue

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SUSE CVE-2021-47222

In the Linux kernel, the following vulnerability has been resolved: net: bridge: fix vlan tunnel dst refcnt when egressing The egress tunnel code uses dstclone and directly sets the result which is wrong because the entry might have 0 refcnt or be already deleted, causing number of problems. It...

SUSE CVE-2021-47294

In the Linux kernel, the following vulnerability has been resolved: netrom: Decrease sock refcount when sock timers expire Commit 63346650c1a9 "netrom: switch to sock timer API" switched to use sock timer API. It replaces modtimer by skresettimer, and deltimer by skstoptimer. Function skresettime...

CVE-2021-47336

In the Linux kernel, the following vulnerability has been resolved: smackfs: restrict bytes count in smksetcipso Oops, I failed to update subject line. From 07571157c91b98ce1a4aa70967531e64b78e8346 Mon Sep 17 00:00:00 2001 Date: Mon, 12 Apr 2021 22:25:06 +0900 Subject: PATCH smackfs: restrict byt...

kernel: skbuff: skb_segment, Call zero copy functions before using skbuff frags

In the Linux kernel, the following vulnerability has been resolved: skbuff: skbsegment, Call zero copy functions before using skbuff frags Commit bf5c25d60861 "skbuff: in skbsegment, call zerocopy functions once per nskb" added the call to zero copy functions in skbsegment. The change introduced ...

kernel: netfilter: xtables sctp out-of-bounds read in match_flags()

A flaw was found in the Netfilter subsystem in the Linux kernel. The sctpmtcheck did not validate the flagcount field. This flaw allows a local privileged CAPNETADMIN attacker to trigger an out-of-bounds read, leading to a crash or information disclosure...

kernel: ACPI: APEI: Fix integer overflow in ghes_estatus_pool_init()

In the Linux kernel, the following vulnerability has been resolved: ACPI: APEI: Fix integer overflow in ghesestatuspoolinit Change numghes from int to unsigned int, preventing an overflow and causing subsequent vmalloc to fail. The overflow happens in ghesestatuspoolinit when calculating len duri...

kernel: netfilter: nf_tables: don't skip expired elements during walk

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: don't skip expired elements during walk There is an asymmetry between commit/abort and preparation phase if the following conditions are met: 1. set is a verdict map "1.2.3.4 : jump foo" 2. timeouts are enabl...

DEBIAN-CVE-2021-47480

In the Linux kernel, the following vulnerability has been resolved: scsi: core: Put LLD module refcnt after SCSI device is released SCSI host release is triggered when SCSI device is freed. We have to make sure that the low-level device driver module won't be unloaded before SCSI host instance is...

CVE-2021-47425

In the Linux kernel, the following vulnerability has been resolved: i2c: acpi: fix resource leak in reconfiguration device addition acpii2cfindadapterbyhandle calls busfinddevice which takes a reference on the adapter which is never released which will result in a reference count leak and render...

CVE-2021-47467

In the Linux kernel, the following vulnerability has been resolved: kunit: fix reference count leak in kfreeatend The reference counting issue happens in the normal path of kfreeatend. When kunitallocandgetresource is invoked, the function forgets to handle the returned resource object, whose...