CVE-2022-49450 rxrpc: Fix listen() setting the bar too high for the prealloc rings

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix listen setting the bar too high for the prealloc rings AFRXRPC's listen handler lets you set the backlog up to 32 if you bump up the sysctl, but whilst the preallocation circular buffers have 32 slots in them, one of...

CVE-2022-49450

CVE-2022-49450 relates to the Linux kernel AF_RXRPC listen() backlog handling. The underlying issue is that the backlog can be configured up to 32, but the preallocation ring has 32 slots and one slot is always dead due to the ring using CIRC_CNT(). This caused an oops on socket close when listen...

CVE-2022-49450 rxrpc: Fix listen() setting the bar too high for the prealloc rings

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix listen setting the bar too high for the prealloc rings AFRXRPC's listen handler lets you set the backlog up to 32 if you bump up the sysctl, but whilst the preallocation circular buffers have 32 slots in them, one of...

CVE-2022-49372

In the Linux kernel, the following vulnerability has been resolved: tcp: tcprtxsynack can be called from process context Laurent reported the enclosed report 1 This bug triggers with following coditions: 0 Kernel built with CONFIGDEBUGPREEMPT=y 1 A new passive FastOpen TCP socket is created. This...

PT-2025-8384

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A bug in the Linux kernel's AF RXRPC listen handler allows the backlog to be set too high, causing an oops when the socket is closed. This happens because the preallocation circular...

SUSE CVE-2025-21703

In the Linux kernel, the following vulnerability has been resolved: netem: Update sch-q.qlen before qdisctreereducebacklog qdisctreereducebacklog notifies parent qdisc only if child qdisc becomes empty, therefore we need to reduce the backlog of the child qdisc before calling it. Otherwise it wou...

DEBIAN-CVE-2025-21703

In the Linux kernel, the following vulnerability has been resolved: netem: Update sch-q.qlen before qdisctreereducebacklog qdisctreereducebacklog notifies parent qdisc only if child qdisc becomes empty, therefore we need to reduce the backlog of the child qdisc before calling it. Otherwise it wou...

CVE-2025-21703

In the Linux kernel, the following vulnerability has been resolved: netem: Update sch-q.qlen before qdisctreereducebacklog qdisctreereducebacklog notifies parent qdisc only if child qdisc becomes empty, therefore we need to reduce the backlog of the child qdisc before calling it. Otherwise it wou...

AZL-58965 CVE-2025-21703 affecting package kernel for versions less than 5.15.180.1-1

In the Linux kernel, the following vulnerability has been resolved: netem: Update sch-q.qlen before qdisctreereducebacklog qdisctreereducebacklog notifies parent qdisc only if child qdisc becomes empty, therefore we need to reduce the backlog of the child qdisc before calling it. Otherwise it wou...

UBUNTU-CVE-2025-21703

In the Linux kernel, the following vulnerability has been resolved: netem: Update sch-q.qlen before qdisctreereducebacklog qdisctreereducebacklog notifies parent qdisc only if child qdisc becomes empty, therefore we need to reduce the backlog of the child qdisc before calling it. Otherwise it wou...

CVE-2025-21703

In the Linux kernel, the following vulnerability has been resolved: netem: Update sch-q.qlen before qdisctreereducebacklog qdisctreereducebacklog notifies parent qdisc only if child qdisc becomes empty, therefore we need to reduce the backlog of the child qdisc before calling it. Otherwise it wou...

CVE-2025-21703 netem: Update sch->q.qlen before qdisc_tree_reduce_backlog()

In the Linux kernel, the following vulnerability has been resolved: netem: Update sch-q.qlen before qdisctreereducebacklog qdisctreereducebacklog notifies parent qdisc only if child qdisc becomes empty, therefore we need to reduce the backlog of the child qdisc before calling it. Otherwise it wou...

CVE-2025-21703

Affecting the Linux kernel netem/qdisc path: the issue stems from updating sch->q.qlen before qdisc_tree_reduce_backlog(), causing DRR to miss qlen_notify() and enabling a use-after-free in the active list. CVSS v3.1 indicates high impact (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H). The Astra Linux ...

CVE-2025-21703 netem: Update sch->q.qlen before qdisc_tree_reduce_backlog()

In the Linux kernel, the following vulnerability has been resolved: netem: Update sch-q.qlen before qdisctreereducebacklog qdisctreereducebacklog notifies parent qdisc only if child qdisc becomes empty, therefore we need to reduce the backlog of the child qdisc before calling it. Otherwise it wou...

CLSA-2025-1739352814 kernel: Fix of 13 CVEs

media: uvcvideo: Skip parsing frames of type UVCVSUNDEFINED in uvcparseformat CVE-2024-53104 - btrfs: fix information leak in btrfsioctllogicaltoino CVE-2024-35849 - net: afcan: do not leave a dangling sk pointer in cancreate CVE-2024-56603 - netfilter: xtables: fix LED ID check in ledtgcheck...

CLSA-2025-1739292069 kernel: Fix of 13 CVEs

media: uvcvideo: Skip parsing frames of type UVCVSUNDEFINED in uvcparseformat CVE-2024-53104 - btrfs: fix information leak in btrfsioctllogicaltoino CVE-2024-35849 - net: afcan: do not leave a dangling sk pointer in cancreate CVE-2024-56603 - netfilter: xtables: fix LED ID check in ledtgcheck...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/sched: netem: account for backlog updates from child qdisc Generally, the qlen of any classful qdisc should reflect the number of packets held by the qdisc itself and all its children. In the case of netem, qlen only accounts...

PT-2025-6939

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to the fixed version Description: A vulnerability in the Linux kernel has been resolved, specifically in the netem module. The issue arises from the qdisc tree reduce backlog function not notifying the parent qdisc...

CLSA-2025-1736778412 kernel: Fix of 17 CVEs

tracing: Free buffers when a used dynamic event is removed CVE-2022-49006 - ASoC: ops: Check bounds for second channel in sndsocputvolswsx CVE-2022-48951 - ext4: fix slab-use-after-free in ext4splitextentat CVE-2024-49884 - ext4: fix bug on in ext4escacheextent as ext4splitextentat failed...

CLSA-2025-1736783731 kernel: Fix of 10 CVEs

media: edia: dvbdev: fix a use-after-free CVE-2024-27043 - vsock/virtio: Initialization of the dangling pointer occurring in vsk-trans CVE-2024-50264 - net/sched: stop qdisctreereducebacklog on TCHROOT CVE-2024-53057 - bpf: Fix out-of-bounds write in triegetnextkey CVE-2024-50262 - KVM: nSVM:...