CVE-2021-47223

In the Linux kernel, the following vulnerability has been resolved: net: bridge: fix vlan tunnel dst null pointer dereference This patch fixes a tunneldst null pointer dereference due to lockless access in the tunnel egress path. When deleting a vlan tunnel the tunneldst pointer is set to NULL...

UBUNTU-CVE-2021-47223

In the Linux kernel, the following vulnerability has been resolved: net: bridge: fix vlan tunnel dst null pointer dereference This patch fixes a tunneldst null pointer dereference due to lockless access in the tunnel egress path. When deleting a vlan tunnel the tunneldst pointer is set to NULL...

UBUNTU-CVE-2021-47402

In the Linux kernel, the following vulnerability has been resolved: net: sched: flower: protect flwalk with rcu Patch that refactored flwalk to use idrforeachentrycontinueul also removed rcu protection of individual filters which causes following use-after-free when filter is deleted concurrently...

CVE-2021-47402 net: sched: flower: protect fl_walk() with rcu

In the Linux kernel, the following vulnerability has been resolved: net: sched: flower: protect flwalk with rcu Patch that refactored flwalk to use idrforeachentrycontinueul also removed rcu protection of individual filters which causes following use-after-free when filter is deleted concurrently...

CVE-2021-47402 net: sched: flower: protect fl_walk() with rcu

In the Linux kernel, the following vulnerability has been resolved: net: sched: flower: protect flwalk with rcu Patch that refactored flwalk to use idrforeachentrycontinueul also removed rcu protection of individual filters which causes following use-after-free when filter is deleted concurrently...

CVE-2021-47402

CVE-2021-47402 affects the Linux kernel’s net: sched: flower (cls_flower). The issue arises from a use-after-free when filters are deleted concurrently due to missing RCU protection during fl_walk() iteration after a patch refactor. The provided advisories state that fl_walk() must obtain the RCU...

CVE-2021-47318 arch_topology: Avoid use-after-free for scale_freq_data

In the Linux kernel, the following vulnerability has been resolved: archtopology: Avoid use-after-free for scalefreqdata Currently topologyscalefreqtick which gets called from schedulertick may end up using a pointer to "struct scalefreqdata", which was previously cleared by...

CVE-2021-47318

CVE-2021-47318 concerns the Linux kernel’s topology management. The vulnerability arises in arch_topology where topology_scale_freq_tick() may dereference a pointer to a previously cleared scale_freq_data , due to missing protection before the data is freed. The issue is localized to the kernel’s...

CVE-2021-47318 arch_topology: Avoid use-after-free for scale_freq_data

In the Linux kernel, the following vulnerability has been resolved: archtopology: Avoid use-after-free for scalefreqdata Currently topologyscalefreqtick which gets called from schedulertick may end up using a pointer to "struct scalefreqdata", which was previously cleared by...

CVE-2021-47318

In the Linux kernel, the following vulnerability has been resolved: archtopology: Avoid use-after-free for scalefreqdata Currently topologyscalefreqtick which gets called from schedulertick may end up using a pointer to "struct scalefreqdata", which was previously cleared by...

CVE-2021-47223 net: bridge: fix vlan tunnel dst null pointer dereference

In the Linux kernel, the following vulnerability has been resolved: net: bridge: fix vlan tunnel dst null pointer dereference This patch fixes a tunneldst null pointer dereference due to lockless access in the tunnel egress path. When deleting a vlan tunnel the tunneldst pointer is set to NULL...

CVE-2021-47223 net: bridge: fix vlan tunnel dst null pointer dereference

In the Linux kernel, the following vulnerability has been resolved: net: bridge: fix vlan tunnel dst null pointer dereference This patch fixes a tunneldst null pointer dereference due to lockless access in the tunnel egress path. When deleting a vlan tunnel the tunneldst pointer is set to NULL...

SUSE CVE-2024-35857

In the Linux kernel, the following vulnerability has been resolved: icmp: prevent possible NULL dereferences from icmpbuildprobe First problem is a double call to indevgetrcu, because the second one could return NULL. if indevgetrcudev && indevgetrcudev-ifalist Second problem is a read from...

SUSE CVE-2024-35860

In the Linux kernel, the following vulnerability has been resolved: bpf: support deferring bpflink dealloc to after RCU grace period BPF link for some program types is passed as a "context" which can be used by those BPF programs to look up additional information. E.g., for multi-kprobes and...

SUSE 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...

SUSE CVE-2024-35929

In the Linux kernel, the following vulnerability has been resolved: rcu/nocb: Fix WARNONONCE in the rcunocbbypasslock For the kernels built with CONFIGRCUNOCBCPUDEFAULTALL=y and CONFIGRCULAZY=y, the following scenarios will trigger WARNONONCE in the rcunocbbypasslock and rcunocbwaitcontended...

SUSE CVE-2024-35959

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-2023-52777: Use After Free

In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix gtk offload status event locking The ath11k active pdevs are protected by RCU but the gtk offload status event handling code calling ath11kmacgetarvifbyvdevid was not marked as a read-side critical section. Mark...

CVE-2021-47318: Use After Free

In the Linux kernel, the following vulnerability has been resolved: archtopology: Avoid use-after-free for scalefreqdata Currently topologyscalefreqtick which gets called from schedulertick may end up using a pointer to "struct scalefreqdata", which was previously cleared by...

CVE-2023-52798: Use After Free

In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix dfs radar event locking The ath11k active pdevs are protected by RCU but the DFS radar event handling code calling ath11kmacgetarbypdevid was not marked as a read-side critical section. Mark the code in question...