CVE-2023-53823

In the Linux kernel, the following vulnerability has been resolved: block/rqqos: protect rqqos apis with a new lock commit 50e34d78815e "block: disable the elevator int delgendisk" move rqqosexit from diskrelease to delgendisk, this will introduce some problems: 1 If rqqosadd is triggered by...

UBUNTU-CVE-2023-53823

In the Linux kernel, the following vulnerability has been resolved: block/rqqos: protect rqqos apis with a new lock commit 50e34d78815e "block: disable the elevator int delgendisk" move rqqosexit from diskrelease to delgendisk, this will introduce some problems: 1 If rqqosadd is triggered by...

CVE-2023-53823

CVE-2023-53823 concerns a Linux kernel vulnerability in rq_qos synchronization that was fixed by adding a disk-level mutex (rq_qos_mutex) to protect rq_qos_exit() and related interactions with iocost/iolatency and blkcg policies. The bug stemmed from potential concurrent access to q->rq_qos du...

CVE-2023-53823

In the Linux kernel, the following vulnerability has been resolved: block/rqqos: protect rqqos apis with a new lock commit 50e34d78815e "block: disable the elevator int delgendisk" move rqqosexit from diskrelease to delgendisk, this will introduce some problems: 1 If rqqosadd is triggered by...

CVE-2023-53823 block/rq_qos: protect rq_qos apis with a new lock

In the Linux kernel, the following vulnerability has been resolved: block/rqqos: protect rqqos apis with a new lock commit 50e34d78815e "block: disable the elevator int delgendisk" move rqqosexit from diskrelease to delgendisk, this will introduce some problems: 1 If rqqosadd is triggered by...

Linux Distros Unpatched Vulnerability : CVE-2023-53823

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - block/rqqos: protect rqqos apis with a new lock commit 50e34d78815e block: disable the elevator int delgendisk move rqqosexit from diskrelease to delgendisk, th...

Oracle Linux 10 : kernel (ELSA-2025-21931)

The remote Oracle Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2025-21931 advisory. - fs/smb: Fix inconsistent refcnt update Paulo Alcantara RHEL-124955 CVE-2025-39819 - tcp: Clear tcpsksk-fastopenrsk in tcpdisconnect. Antoine Tenart...

kernel: kernfs: Fix UAF in polling when open file is released

A use-after-free race condition exists in the linux kernel such that When cgroup.pressure is disabled, it releases PSI triggers via cgroupfilerelease, Frees of-priv through kernfsdrainopenfiles leading to damage to the availability and integrity of the system...

kernel: kernfs: Fix UAF in polling when open file is released

A use-after-free race condition exists in the linux kernel such that When cgroup.pressure is disabled, it releases PSI triggers via cgroupfilerelease, Frees of-priv through kernfsdrainopenfiles leading to damage to the availability and integrity of the system...

kernel security update

4.18.0-553.84.1 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list olkmodsigningkey.pem Orabug: 29539237 - Update x509.genkey Orabug: 24817676 - Conflict with shim-ia32 and...

CVE-2025-40123

In the Linux kernel, the following vulnerability has been resolved: bpf: Enforce expectedattachtype for tailcall compatibility Yinhao et al. recently reported: Our fuzzer tool discovered an uninitialized pointer issue in the bpfprogtestrunxdp function within the Linux kernel's BPF subsystem. This...

kernel: kernfs: Fix UAF in polling when open file is released

A use-after-free race condition exists in the linux kernel such that When cgroup.pressure is disabled, it releases PSI triggers via cgroupfilerelease, Frees of-priv through kernfsdrainopenfiles leading to damage to the availability and integrity of the system...

CVE-2025-40123

In the Linux kernel, the following vulnerability has been resolved: bpf: Enforce expectedattachtype for tailcall compatibility Yinhao et al. recently reported: Our fuzzer tool discovered an uninitialized pointer issue in the bpfprogtestrunxdp function within the Linux kernel's BPF subsystem. This...

Security update for runc

This update for runc fixes the following issues: Update to runc v1.3.3. Upstream changelog is available from . bsc1252232 CVE-2025-31133 CVE-2025-52565 CVE-2025-52881 Update to runc v1.3.2. Upstream changelog is available from bsc1252110 Includes an important fix for the CPUSet translation for...

kernel: bpf: Fix deadlock when freeing cgroup storage

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix deadlock when freeing cgroup storage The following commit bc235cdb423a "bpf: Prevent deadlock from recursive bpftaskstorageget|delete" first introduced deadlock prevention for fentry/fexit programs attaching on...

kernel: blk-cgroup: Fix class @block_class's subsystem refcount leakage

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Fix class @blockclass's subsystem refcount leakage blkcgfillrootiostats iterates over @blockclass's devices by classdeviterinit|next, but does not end iterating with classdeviterexit, so causes the class's subsystem...

kernel: blk-cgroup: Fix UAF in blkcg_unpin_online()

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Fix UAF in blkcgunpinonline blkcgunpinonline walks up the blkcg hierarchy putting the online pin. To walk up, it uses blkcgparentblkcg but it was calling that after blkcgdestroyblkgsblkcg which could free the blkcg,...

kernel: sched_ext: Fix incorrect autogroup migration detection

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix incorrect autogroup migration detection scxmovetask is called from schedmovetask and tells the BPF scheduler that cgroup migration is being committed. schedmovetask is used by both cgroup and autogroup migrations an...

kernel: bpf: Fix deadlock when freeing cgroup storage

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix deadlock when freeing cgroup storage The following commit bc235cdb423a "bpf: Prevent deadlock from recursive bpftaskstorageget|delete" first introduced deadlock prevention for fentry/fexit programs attaching on...

kernel: memcg: fix soft lockup in the OOM process

In the Linux kernel, the following vulnerability has been resolved: memcg: fix soft lockup in the OOM process A soft lockup issue was found in the product with about 56,000 tasks were in the OOM cgroup, it was traversing them when the soft lockup was triggered. watchdog: BUG: soft lockup - CPU2...