UBUNTU-CVE-2022-49765

In the Linux kernel, the following vulnerability has been resolved: net/9p: use a dedicated spinlock for transfd Shamelessly copying the explanation from Tetsuo Handa's suggested patch1 slightly reworded: syzbot is reporting inconsistent lock state in p9reqput2, for p9tagremove from p9reqput from...

CVE-2025-37776

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in smbbreakalllevIIoplock There is a room in smbbreakalllevIIoplock that can cause racy issues when unlocking in the middle of the loop. This patch use read lock to protect whole loop...

DEBIAN-CVE-2025-37776

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in smbbreakalllevIIoplock There is a room in smbbreakalllevIIoplock that can cause racy issues when unlocking in the middle of the loop. This patch use read lock to protect whole loop...

UBUNTU-CVE-2025-37776

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in smbbreakalllevIIoplock There is a room in smbbreakalllevIIoplock that can cause racy issues when unlocking in the middle of the loop. This patch use read lock to protect whole loop...

CVE-2022-49884 KVM: Initialize gfn_to_pfn_cache locks in dedicated helper

In the Linux kernel, the following vulnerability has been resolved: KVM: Initialize gfntopfncache locks in dedicated helper Move the gfntopfncache lock initialization to another helper and call the new helper during VM/vCPU creation. There are race conditions possible due to kvmgfntopfncacheinit'...

CVE-2022-49884

In the Linux kernel, the following vulnerability has been resolved: KVM: Initialize gfntopfncache locks in dedicated helper Move the gfntopfncache lock initialization to another helper and call the new helper during VM/vCPU creation. There are race conditions possible due to kvmgfntopfncacheinit'...

CVE-2022-49884

CVE-2022-49884 relates to Linux kernel KVM: gfn_to_pfn_cache lock initialization, which was moved to a dedicated helper during VM/vCPU creation to address race conditions that could occur if kvm_gfn_to_pfn_cache_init() re-initializes locks. The description includes a race scenario involving kvm_x...

CVE-2022-49884 KVM: Initialize gfn_to_pfn_cache locks in dedicated helper

In the Linux kernel, the following vulnerability has been resolved: KVM: Initialize gfntopfncache locks in dedicated helper Move the gfntopfncache lock initialization to another helper and call the new helper during VM/vCPU creation. There are race conditions possible due to kvmgfntopfncacheinit'...

CVE-2022-49850 nilfs2: fix deadlock in nilfs_count_free_blocks()

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix deadlock in nilfscountfreeblocks A semaphore deadlock can occur if nilfsgetblock detects metadata corruption while locating data blocks and a superblock writeback occurs at the same time: task 1 task 2 ------ ------ A...

CVE-2022-49843

CVE-2022-49843 is rejected/withdrawn by its CVE Numbering Authority and not active.

CVE-2022-49814 kcm: close race conditions on sk_receive_queue

In the Linux kernel, the following vulnerability has been resolved: kcm: close race conditions on skreceivequeue sk-skreceivequeue is protected by skb queue lock, but for KCM sockets its RX path takes mux-rxlock to protect more than just skb queue. However, kcmrecvmsg still only grabs the skb que...

CVE-2022-49814 kcm: close race conditions on sk_receive_queue

In the Linux kernel, the following vulnerability has been resolved: kcm: close race conditions on skreceivequeue sk-skreceivequeue is protected by skb queue lock, but for KCM sockets its RX path takes mux-rxlock to protect more than just skb queue. However, kcmrecvmsg still only grabs the skb que...

CVE-2022-49814

CVE-2022-49814 affects the Linux kernel KCM (kernel-based communications) sockets. The issue is a race on sk_receive_queue where the RX path for KCM sockets uses mux->rx_lock to protect more than just the skb queue, but kcm_recvmsg() only reuses the skb queue lock, leaving a window for race co...

CVE-2022-49810 netfs: Fix missing xas_retry() calls in xarray iteration

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix missing xasretry calls in xarray iteration netfslib has a number of places in which it performs iteration of an xarray whilst being under the RCU read lock. It should call xasretry as the first thing inside of the loop...

CVE-2022-49783

CVE-2022-49783 — In the Linux kernel, the issue arises when fpu_inherit_perms() is invoked under fpregs_lock() in PREEMPT_RT builds, causing a sleeping function to be called from an atomic context due to spin_lock_irq() usage. The root cause is that fpu_state_size_dynamic() can return true even t...

CVE-2022-49783 x86/fpu: Drop fpregs lock before inheriting FPU permissions

In the Linux kernel, the following vulnerability has been resolved: x86/fpu: Drop fpregs lock before inheriting FPU permissions Mike Galbraith reported the following against an old fork of preempt-rt but the same issue also applies to the current preempt-rt tree. BUG: sleeping function called fro...

CVE-2022-49768

CVE-2022-49768 is associated with the Linux kernel 9p subsystem, specifically in trans_fd/p9_conn_cancel, where a double-lock issue was reported by syzbot and is mitigated by dropping the client lock earlier after requests move to the local list. Public sources in connected documents (Astra Linux...

CVE-2022-49768 9p: trans_fd/p9_conn_cancel: drop client lock earlier

In the Linux kernel, the following vulnerability has been resolved: 9p: transfd/p9conncancel: drop client lock earlier syzbot reported a double-lock here and we no longer need this lock after requests have been moved off to local list: just drop the lock earlier...

CVE-2022-49768

In the Linux kernel, the following vulnerability has been resolved: 9p: transfd/p9conncancel: drop client lock earlier syzbot reported a double-lock here and we no longer need this lock after requests have been moved off to local list: just drop the lock earlier...

CVE-2022-49768 9p: trans_fd/p9_conn_cancel: drop client lock earlier

In the Linux kernel, the following vulnerability has been resolved: 9p: transfd/p9conncancel: drop client lock earlier syzbot reported a double-lock here and we no longer need this lock after requests have been moved off to local list: just drop the lock earlier...