CVE-2023-53759

In the Linux kernel, the following vulnerability has been resolved: HID: hidraw: fix data race on device refcount The hidrawopen function increments the hidraw device reference counter. The counter has no dedicated synchronization mechanism, resulting in a potential data race when concurrently...

PT-2025-49489

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A data race exists in the hidraw open function concerning the hidraw device reference counter. This occurs because the reference counter lacks a dedicated synchronization mechanism,...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-989884)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989884 advisory. In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Fix dtlaccesslock to be a rwsemaphore The dtlaccesslock needs to be a rwsempahor...

CVE-2022-50374

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcildisc,serdev: check percpuinitrwsem failure syzbot is reporting NULL pointer dereference at hciuartttyclose 1, for rcusyncenter is called without rcusyncinit due to hciuartttyopen ignoring percpuinitrwsem failure...

SUSE CVE-2022-50059

In the Linux kernel, the following vulnerability has been resolved: ceph: don't leak snaprwsem in handlecapgrant When handlecapgrant is called on an IMPORT op, then the snaprwsem is held and the function is expected to release it before returning. It currently fails to do that in all cases which...

UBUNTU-CVE-2025-22072

In the Linux kernel, the following vulnerability has been resolved: spufs: fix gang directory lifetimes prior to "POWERPC spufs: Fix gang destroy leaks" we used to have a problem with gang lifetimes - creation of a gang returns opened gang directory, which normally gets removed when that gets...

btrfs: don't take dev_replace rwsem on task already holding it

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SUSE CVE-2024-48875

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:...

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...

PT-2025-2814

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.6.74 Description: A vulnerability has been resolved in the Linux kernel, specifically in the btrfs module. The issue is related to a possible recursive locking detected when running fstests btrfs/011 with MKFS...

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...