AZL-56255 CVE-2024-48875 affecting package kernel for versions less than 6.6.76.1-1

In the Linux kernel, the following vulnerability has been resolved: btrfs: don't take devreplace rwsem on task already holding it Running fstests btrfs/011 with MKFSOPTIONS="-O rst" to force the usage of the RAID stripe-tree, we get the following splat from lockdep: BTRFS info device sdd:...

CVE-2024-48875 btrfs: don't take dev_replace rwsem on task already holding it

In the Linux kernel, the following vulnerability has been resolved: btrfs: don't take devreplace rwsem on task already holding it Running fstests btrfs/011 with MKFSOPTIONS="-O rst" to force the usage of the RAID stripe-tree, we get the following splat from lockdep: BTRFS info device sdd:...

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 the Btrfs filesystem attempting to fetch the devreplace rwsem again when the task is already in possession o...

UBUNTU-CVE-2024-56701

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Fix dtlaccesslock to be a rwsemaphore The dtlaccesslock needs to be a rwsempahore, a sleeping lock, because the code calls kmalloc while holding it, which can sleep: echo 1 /proc/powerpc/vcpudispatchstats BUG:...

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 a problem with dtlaccesslock not being a rwsemaphore in the powerpc/pseries subsystem...

SUSE CVE-2024-34027

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to cover reserve,releasecompressblocks w/ cprwsem lock It needs to cover reserve,releasecompressblocks w/ cprwsem lock to avoid racing with checkpoint, otherwise, filesystem metadata including blkaddr in dnode...

DEBIAN-CVE-2024-27034

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to cover normal cluster write with cprwsem When we overwrite compressed cluster w/ normal cluster, we should not unlock cprwsem during f2fswriterawpages, otherwise data will be corrupted if partial blocks were...

SUSE CVE-2023-52480

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix race condition between session lookup and expire Thread A + Thread B ksmbdsessionlookup | smb2sesssetup sess = xaload | | | xaerase&conn-sessions, sess-id; | | ksmbdsessiondestroysess -- kfreesess | // UAF! |...

DEBIAN-CVE-2023-52480

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix race condition between session lookup and expire Thread A + Thread B ksmbdsessionlookup | smb2sesssetup sess = xaload | | | xaerase&conn-sessions, sess-id; | | ksmbdsessiondestroysess -- kfreesess | // UAF! |...

ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF

A use-after-free flaw was found in sndctlelemread in sound/core/control.c in Advanced Linux Sound Architecture ALSA subsystem in the Linux kernel. In this flaw a normal privileged, local attacker may impact the system due to a locking issue in the compat path, leading to a kernel information leak...

ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF

A use-after-free flaw was found in sndctlelemread in sound/core/control.c in Advanced Linux Sound Architecture ALSA subsystem in the Linux kernel. In this flaw a normal privileged, local attacker may impact the system due to a locking issue in the compat path, leading to a kernel information leak...

ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF

A use-after-free flaw was found in sndctlelemread in sound/core/control.c in Advanced Linux Sound Architecture ALSA subsystem in the Linux kernel. In this flaw a normal privileged, local attacker may impact the system due to a locking issue in the compat path, leading to a kernel information leak...