UBUNTU-CVE-2024-36003

In the Linux kernel, the following vulnerability has been resolved: ice: fix LAG and VF lock dependency in iceresetvf 9f74a3dfcf83 "ice: Fix VF Reset paths when interface in a failed over aggregate", the ice driver has acquired the LAG mutex in iceresetvf. The commit placed this lock acquisition...

UBUNTU-CVE-2024-35990

In the Linux kernel, the following vulnerability has been resolved: dma: xilinxdpdma: Fix locking There are several places where either chan-lock or chan-vchan.lock was not held. Add appropriate locking. This fixes lockdep warnings like 31.077578 ------------ cut here ------------ 31.077831...

CVE-2024-35953 accel/ivpu: Fix deadlock in context_xa

In the Linux kernel, the following vulnerability has been resolved: accel/ivpu: Fix deadlock in contextxa ivpudevice-contextxa is locked both in kernel thread and IRQ context. It requires XAFLAGSLOCKIRQ flag to be passed during initialization otherwise the lock could be acquired from a thread and...

CVE-2024-35953

The CVE-2024-35953 issue affects the Linux kernel’s accel/ivpu code: ivpu_device->context_xa could deadlock because the XA lock could be held in a thread and interrupted by IRQs that also lock it. The fix is to pass XA_FLAGS_LOCK_IRQ during initialization to prevent the second lock in IRQ cont...

CVE-2024-35990: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: dma: xilinxdpdma: Fix locking There are several places where either chan-lock or chan-vchan.lock was not held. Add appropriate locking. This fixes lockdep warnings like 31.077578 ------------ cut here ------------ 31.077831...

CVE-2024-35959: Incomplete Cleanup

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix mlx5eprivinit cleanup flow When mlx5eprivinit fails, the cleanup flow calls mlx5eselqcleanup which calls mlx5eselqapply that assures that the priv-statelock is held using lockdepisheld. Acquire the statelock in...

CVE-2024-35910

In the Linux kernel, the following vulnerability has been resolved: tcp: properly terminate timers for kernel sockets We had various syzbot reports about tcp timers firing after the corresponding netns has been dismantled. Fortunately Josef Bacik could trigger the issue more often, and could test...

DEBIAN-CVE-2024-35892

In the Linux kernel, the following vulnerability has been resolved: net/sched: fix lockdep splat in qdisctreereducebacklog qdisctreereducebacklog is called with the qdisc lock held, not RTNL. We must use qdisclookuprcu instead of qdisclookup syzbot reported: WARNING: suspicious RCU usage...

UBUNTU-CVE-2024-35892

In the Linux kernel, the following vulnerability has been resolved: net/sched: fix lockdep splat in qdisctreereducebacklog qdisctreereducebacklog is called with the qdisc lock held, not RTNL. We must use qdisclookuprcu instead of qdisclookup syzbot reported: WARNING: suspicious RCU usage...

CVE-2024-35910 tcp: properly terminate timers for kernel sockets

In the Linux kernel, the following vulnerability has been resolved: tcp: properly terminate timers for kernel sockets We had various syzbot reports about tcp timers firing after the corresponding netns has been dismantled. Fortunately Josef Bacik could trigger the issue more often, and could test...

CVE-2024-35895 bpf, sockmap: Prevent lock inversion deadlock in map delete elem

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Prevent lock inversion deadlock in map delete elem syzkaller started using corpuses where a BPF tracing program deletes elements from a sockmap/sockhash map. Because BPF tracing programs can be invoked from any...

CVE-2024-35892 net/sched: fix lockdep splat in qdisc_tree_reduce_backlog()

In the Linux kernel, the following vulnerability has been resolved: net/sched: fix lockdep splat in qdisctreereducebacklog qdisctreereducebacklog is called with the qdisc lock held, not RTNL. We must use qdisclookuprcu instead of qdisclookup syzbot reported: WARNING: suspicious RCU usage...

CVE-2024-35892

CVE-2024-35892 stems from a Linux kernel net/sched issue where qdisc_tree_reduce_backlog() was called with the qdisc lock held while RTNL was not held, triggering a lockdep splat due to unsafe RCU usage. The fix switches from qdisc_lookup() to qdisc_lookup_rcu() to safely dereference qdisc data u...

CVE-2024-35892 net/sched: fix lockdep splat in qdisc_tree_reduce_backlog()

In the Linux kernel, the following vulnerability has been resolved: net/sched: fix lockdep splat in qdisctreereducebacklog qdisctreereducebacklog is called with the qdisc lock held, not RTNL. We must use qdisclookuprcu instead of qdisclookup syzbot reported: WARNING: suspicious RCU usage...

CVE-2024-35892: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: net/sched: fix lockdep splat in qdisctreereducebacklog qdisctreereducebacklog is called with the qdisc lock held, not RTNL. We must use qdisclookuprcu instead of qdisclookup syzbot reported: WARNING: suspicious RCU usage...

CVE-2024-35784

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix deadlock with fiemap and extent locking While working on the patchset to remove extent locking I got a lockdep splat with fiemap and pagefaulting with my new extent lock replacement lock. This deadlock exists with our...

UBUNTU-CVE-2023-52668

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: fix lock ordering in btrfszoneactivate The btrfs CI reported a lockdep warning as follows by running generic generic/129. WARNING: possible circular locking dependency detected 6.7.0-rc5+ 1 Not tainted...

CVE-2024-35784

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix deadlock with fiemap and extent locking While working on the patchset to remove extent locking I got a lockdep splat with fiemap and pagefaulting with my new extent lock replacement lock. This deadlock exists with our...

CVE-2024-35784

The CVE-2024-35784 entry concerns the Linux kernel: btrfs deadlock during fiemap/extent locking. Root cause: the extent lock was held for the entire fiemap traversal, risking pagefaults and deadlocks when fiemap data is copied to user space (mkwrite during mmap). Impact: potential deadlock in fil...

CVE-2024-35784 btrfs: fix deadlock with fiemap and extent locking

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix deadlock with fiemap and extent locking While working on the patchset to remove extent locking I got a lockdep splat with fiemap and pagefaulting with my new extent lock replacement lock. This deadlock exists with our...