UBUNTU-CVE-2024-50006

In the Linux kernel, the following vulnerability has been resolved: ext4: fix idatasem unlock order in ext4indmigrate Fuzzing reports a possible deadlock in jbd2logwaitcommit. This issue is triggered when an EXT4IOCMIGRATE ioctl is set to require synchronous updates because the file descriptor is...

UBUNTU-CVE-2024-49943

In the Linux kernel, the following vulnerability has been resolved: drm/xe/gucsubmit: add missing locking in wedgedfini Any non-wedged queue can have a zero refcount here and can be running concurrently with an async queue destroy, therefore dereferencing the queue ptr to check wedge status after...

CVE-2024-49943 drm/xe/guc_submit: add missing locking in wedged_fini

In the Linux kernel, the following vulnerability has been resolved: drm/xe/gucsubmit: add missing locking in wedgedfini Any non-wedged queue can have a zero refcount here and can be running concurrently with an async queue destroy, therefore dereferencing the queue ptr to check wedge status after...

CVE-2024-49943 drm/xe/guc_submit: add missing locking in wedged_fini

In the Linux kernel, the following vulnerability has been resolved: drm/xe/gucsubmit: add missing locking in wedgedfini Any non-wedged queue can have a zero refcount here and can be running concurrently with an async queue destroy, therefore dereferencing the queue ptr to check wedge status after...

CVE-2024-49943

CVE-2024-49943 affects the Linux kernel DRM XE driver (guc_submit_wedged_fini). A missing locking around wedged_fini permits a use-after-free when a non-wedged queue is dereferenced concurrently with an async queue destroy. The fix is to hold the submission_state lock during the wedge-status chec...

CVE-2024-49943 drm/xe/guc_submit: add missing locking in wedged_fini

In the Linux kernel, the following vulnerability has been resolved: drm/xe/gucsubmit: add missing locking in wedgedfini Any non-wedged queue can have a zero refcount here and can be running concurrently with an async queue destroy, therefore dereferencing the queue ptr to check wedge status after...

SUSE CVE-2024-47746

In the Linux kernel, the following vulnerability has been resolved: fuse: use exclusive lock when FUSEICACHEIOMODE is set This may be a typo. The comment has said shared locks are not allowed when this bit is set. If using shared lock, the wait in fusefilecachedioopen may be forever...

CVE-2024-47744

In the Linux kernel, the following vulnerability has been resolved: KVM: Use dedicated mutex to protect kvmusagecount to avoid deadlock Use a dedicated mutex to guard kvmusagecount to fix a potential deadlock on x86 due to a chain of locks and SRCU synchronizations. Translating the below lockdep...

DEBIAN-CVE-2024-49855

In the Linux kernel, the following vulnerability has been resolved: nbd: fix race between timeout and normal completion If request timetout is handled by nbdrequeuecmd, normal completion has to be stopped for avoiding to complete this requeued request, other use-after-free can be triggered. Fix t...

CVE-2024-47744

In the Linux kernel, the following vulnerability has been resolved: KVM: Use dedicated mutex to protect kvmusagecount to avoid deadlock Use a dedicated mutex to guard kvmusagecount to fix a potential deadlock on x86 due to a chain of locks and SRCU synchronizations. Translating the below lockdep...

CVE-2024-47744 KVM: Use dedicated mutex to protect kvm_usage_count to avoid deadlock

In the Linux kernel, the following vulnerability has been resolved: KVM: Use dedicated mutex to protect kvmusagecount to avoid deadlock Use a dedicated mutex to guard kvmusagecount to fix a potential deadlock on x86 due to a chain of locks and SRCU synchronizations. Translating the below lockdep...

CVE-2024-47744 KVM: Use dedicated mutex to protect kvm_usage_count to avoid deadlock

In the Linux kernel, the following vulnerability has been resolved: KVM: Use dedicated mutex to protect kvmusagecount to avoid deadlock Use a dedicated mutex to guard kvmusagecount to fix a potential deadlock on x86 due to a chain of locks and SRCU synchronizations. Translating the below lockdep...

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 stems from an improperly protected devqueuexmitnit call in the vrf subsystem that violates the RCU's lock usage...

PT-2024-33845

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.6.58 Description: A possible deadlock in jbd2 log wait commit has been reported through fuzzing. This issue is triggered when an EXT4 IOC MIGRATE ioctl is set to require synchronous updates because the file...

CVE-2022-49018: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix sleep in atomic at close time Matt reported a splat at msk close time: BUG: sleeping function called from invalid context at net/mptcp/protocol.c:2877 inatomic: 1, irqsdisabled: 0, nonblock: 0, pid: 155, name:...

CVE-2024-49965: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: ocfs2: remove unreasonable unlock in ocfs2readblocks Patch series "Misc fixes for ocfs2readblocks", v5. This series contains 2 fixes for ocfs2readblocks. The first patch fix the issue reported by syzbot, which detects bad unlock...

CVE-2024-49980: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: vrf: revert "vrf: Remove unnecessary RCU-bh critical section" This reverts commit 504fc6f4f7f681d2a03aa5f68aad549d90eab853. devqueuexmitnit is expected to be called with BH disabled. devqueuexmit has the following: / Disable soft...

CVE-2024-49943: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: drm/xe/gucsubmit: add missing locking in wedgedfini Any non-wedged queue can have a zero refcount here and can be running concurrently with an async queue destroy, therefore dereferencing the queue ptr to check wedge status after...

CVE-2024-47735: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fix spinunlockirqrestore called with IRQs enabled Fix missuse of spinlockirq/spinunlockirq when spinlockirqsave/spinlockirqrestore was hold. This was discovered through the lock debugging, and the corresponding log is a...

CVE-2024-47746: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: fuse: use exclusive lock when FUSEICACHEIOMODE is set This may be a typo. The comment has said shared locks are not allowed when this bit is set. If using shared lock, the wait in fusefilecachedioopen may be forever...