RHEL 9 : kernel (RHSA-2025:21112)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:21112 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: firmware: armscpi: Ensure...

kernel: RDMA/mlx5: Fix implicit ODP use after free

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix implicit ODP use after free Prevent double queueing of implicit ODP mr destroy work by using xacmpxchg to make sure this is the only time we are destroying this specific mr. Without this change, we could try to...

kernel: block: fix uaf for flush rq while iterating tags

In the Linux kernel, the following vulnerability has been resolved: block: fix uaf for flush rq while iterating tags blkmqclearflushrqmapping is not called during scsi probe, by checking blkqueueinitdone. However, QUEUEFLAGINITDONE is cleared in delgendisk by commit aec89dc5d421 "block: keep...

kernel: fbdev: hyperv_fb: Allow graceful removal of framebuffer

In the Linux kernel, the following vulnerability has been resolved: fbdev: hypervfb: Allow graceful removal of framebuffer When a Hyper-V framebuffer device is unbind, hypervfb driver tries to release the framebuffer forcefully. If this framebuffer is in use it produce the following WARN and henc...

kernel: sched_ext: bpf_iter_scx_dsq_new() should always initialize iterator

In the Linux kernel, the following vulnerability has been resolved: schedext: bpfiterscxdsqnew should always initialize iterator BPF programs may call next and destroy on BPF iterators even after new returns an error value e.g. bpfforeach macro ignores error returns from new. bpfiterscxdsqnew cou...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

kernel: fs: fix UAF/GPF bug in nilfs_mdt_destroy

In the Linux kernel, the following vulnerability has been resolved: fs: fix UAF/GPF bug in nilfsmdtdestroy In allocinode, inodeinitalways could return -ENOMEM if securityinodealloc fails, which causes inode-iprivate uninitialized. Then nilfsismetadatafileinode returns true and nilfsfreeinode...

ALSA-2025:19932 Moderate: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: x86/vmscape: Add conditional IBPB mitigation CVE-2025-40300 kernel: mm: fix zswap writeback race condition CVE-2023-53178 kernel:...

Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: x86/vmscape: Add conditional IBPB mitigation CVE-2025-40300 kernel: mm: fix zswap writeback race condition CVE-2023-53178 kernel: fs: fix UAF/GPF bug in nilfsmdtdestroy CVE-2022-50367 For...

kernel: fs: fix UAF/GPF bug in nilfs_mdt_destroy

In the Linux kernel, the following vulnerability has been resolved: fs: fix UAF/GPF bug in nilfsmdtdestroy In allocinode, inodeinitalways could return -ENOMEM if securityinodealloc fails, which causes inode-iprivate uninitialized. Then nilfsismetadatafileinode returns true and nilfsfreeinode...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990614)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990614 advisory. In the Linux kernel, the following vulnerability has been resolved: tty: goldfish: Use ttyportdestroy to destroy port In goldfishttyprobe, the port initialized throu...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989463)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989463 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: fix memory leak during stateful obj update stateful objects can be updated...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990200)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990200 advisory. In the Linux kernel, the following vulnerability has been resolved: cifs: Fix oops due to uncleared server-smbdconn in reconnect In smbddestroy, clear the...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989247)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989247 advisory. In the Linux kernel, the following vulnerability has been resolved: drm/ttm: fix memleak in ttmtransfereddestroy We need to cleanup the fences for ghost objects as...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989092)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989092 advisory. In the Linux kernel, the following vulnerability has been resolved: ocfs2: dlmfs: fix error handling of userdlmdestroylock When userdlmdestroylock failed, it didn't...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-988994)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-988994 advisory. In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: nullify cq-dbg pointer in mlx5debugcqremove Prior to this patch in case...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-989564)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989564 advisory. In the Linux kernel, the following vulnerability has been resolved: tty: goldfish: Use ttyportdestroy to destroy port In goldfishttyprobe, the port initialized throu...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989105)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989105 advisory. In the Linux kernel, the following vulnerability has been resolved: net/sched: schtaprio: properly cancel timer from tapriodestroy There is a comment in qdisccreate...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-988846)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-988846 advisory. In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid racing on fsyncentryslab by multi filesystem instances As syzbot reported, the...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989476)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989476 advisory. In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix memory leak in mlx5coredestroycq error path Prior to this patch in case...