CVE-2025-21944

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix bug on trap in smb2lock If lock count is greater than 1, flags could be old value. It should be checked with flags of smblock, not flags. It will cause bug-on trap from locksfreelock in error handling routine...

CVE-2025-21944

CVE-2025-21944 concerns the ksmbd component of the Linux kernel, where a bug in trap handling for smb2_lock can occur if the lock count exceeds 1. The root cause is that the code checked flags from the wrong source (flags) instead of the flags of smb_lock, which may lead to an erroneous trap in t...

CVE-2025-21942

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: fix extent range end unlock in cowfilerange Running generic/751 on the for-next branch often results in a hang like below. They are both stack by locking an extent. This suggests someone forget to unlock an extent...

CVE-2025-21934 rapidio: fix an API misues when rio_add_net() fails

In the Linux kernel, the following vulnerability has been resolved: rapidio: fix an API misues when rioaddnet fails rioaddnet calls deviceregister and fails when deviceregister fails. Thus, putdevice should be used rather than kfree. Add "mport-net = NULL;" to avoid a use after free issue...

CVE-2025-21926

CVE-2025-21926 affects the Linux kernel net: gso code path, specifically __udp_gso_segment. The destructor for the skb is removed before segmenting, but the socket reference is left intact. If the original skb is later orphaned, a kernel bug can trigger (skb_orphan crash in ip_rcv_core). The issu...

CVE-2025-21920 vlan: enforce underlying device type

In the Linux kernel, the following vulnerability has been resolved: vlan: enforce underlying device type Currently, VLAN devices can be created on top of non-ethernet devices. Besides the fact that it doesn't make much sense, this also causes a bug which leaks the address of a kernel function to...

CVE-2025-21896 fuse: revert back to __readahead_folio() for readahead

In the Linux kernel, the following vulnerability has been resolved: fuse: revert back to readaheadfolio for readahead In commit 3eab9d7bc2f4 "fuse: convert readahead to use folios", the logic was converted to using the new folio readahead code, which drops the reference on the folio once it is...

CVE-2025-21897

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix picktaskscx picking non-queued tasks when it's called without balance a6250aa251ea "schedext: Handle cases where picktaskscx is called without preceding balancescx" added a workaround to handle the cases where...

CVE-2025-21896 fuse: revert back to __readahead_folio() for readahead

In the Linux kernel, the following vulnerability has been resolved: fuse: revert back to readaheadfolio for readahead In commit 3eab9d7bc2f4 "fuse: convert readahead to use folios", the logic was converted to using the new folio readahead code, which drops the reference on the folio once it is...

Important: Red Hat Security Advisory: ACS 4.5 enhancement and security update

Updated images are now available for Red Hat Advanced Cluster Security RHACS. This release of RHACS 4.5 includes the following bug fix: Fixed a bug in which Scanner V4 would perform TLS validation even for integrations that have TLS validation disabled. This release also addresses the following...

CVE-2025-21891

In the Linux kernel, the following vulnerability has been resolved: ipvlan: ensure network headers are in skb linear part syzbot found that ipvlanprocessv6outbound was assuming the IPv6 network header isis present in skb-head 1 Add the needed pskbnetworkmaypull calls for both IPv4 and IPv6...

RHEL 8 / 9 : Red Hat Ansible Automation Platform 2.4 Product Security and Bug Fix Update (Important) (RHSA-2025:3123)

The remote Redhat Enterprise Linux 8 / 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2025:3123 advisory. Red Hat Ansible Automation Platform provides an enterprise framework for building, deploying and managing IT automation at scale. IT Managers can...

UBUNTU-CVE-2023-53029

In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: Fix the use of GFPKERNEL in atomic context on rt The commit 4af1b64f80fb "octeontx2-pf: Fix lmtst ID used in aura free" uses the get/putcpu to protect the usage of percpu pointer in -aurafreeptr callback, but it als...

UBUNTU-CVE-2022-49738

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on iextraisize in isalive syzbot found a f2fs bug: BUG: KASAN: slab-out-of-bounds in datablkaddr fs/f2fs/f2fs.h:2891 inline BUG: KASAN: slab-out-of-bounds in isalive fs/f2fs/gc.c:1117 inline BUG: KASA...

CVE-2023-53026 RDMA/core: Fix ib block iterator counter overflow

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Fix ib block iterator counter overflow When registering a new DMA MR after selecting the best aligned page size for it, we iterate over the given sglist to split each entry to smaller, aligned to the selected page size...

CVE-2023-53023

The CVE-2023-53023 entry describes a use-after-free in the Linux kernel NFC local_cleanup path. Specifically, kfree_skb() can be invoked twice during nfc daemon teardown (e.g., neard) after detaching an NFC device, because local_cleanup() frees local->rx_pending and decrements local->ref tw...

CVE-2022-49738

Summary (CVE-2022-49738) : In the Linux kernel’s f2fs subsystem, a sanity check missing for .i_extra_isize in is_alive() leads to a potential slab-out-of-bounds access in data_blkaddr during garbage collection, as observed in the f2fs_gc path (gc_data_segment -> is_alive -> data_blkaddr -&g...

CVE-2025-21883

In the Linux kernel, the following vulnerability has been resolved: ice: Fix deinitializing VF in error path If iceenavfs fails after calling icecreatevfentries, it frees all VFs without removing them from snapshot PF-VF mailbox list, leading to list corruption. Reproducer: devlink dev eswitch se...

CVE-2024-58090

CVE-2024-58090 affects the Linux kernel: sched/core commit fixes a long-standing issue where rescheduling could be triggered with interrupts disabled during kexec-based reboot paths. The root cause involved a wakeup in a syscore_suspend()/resume path that set NEED_RESCHED, leading to cond_resched...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.17.22 bug fix and security update

Red Hat OpenShift Container Platform release 4.17.22 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.17. Red Hat Product Security has rated this update as having a...