SUSE-SU-2025:0889-1 Security update for the Linux Kernel RT (Live Patch 6 for SLE 15 SP6)

This update for the Linux Kernel 6.4.0-1506001020 fixes one issue. The following security issue was fixed: - CVE-2024-56648: net: hsr: avoid potential out-of-bound access in fillframeinfo bsc1235452...

SUSE-SU-2025:0885-1 Security update for the Linux Kernel RT (Live Patch 2 for SLE 15 SP6)

This update for the Linux Kernel 6.4.0-150600108 fixes several issues. The following security issues were fixed: - CVE-2024-46818: drm/amd/display: Check gpioid before used as array index bsc1231204. - CVE-2024-46815: drm/amd/display: Check numvalidsets before accessing readerwmsets bsc1231196. -...

Linux 5.6 Cred Refcount Overflow

Linux 5.6 suffers from a cred refcount overflow at approximately 39 gigs of memory usage via iouring. see also my related prior bug reports about overflowing refcounts with lots of RAM usage: https://crbug.com/project-zero/809: BPF program refcount, with 32GiB RAM...

CVE-2025-21864

In the Linux kernel, the following vulnerability has been resolved: tcp: drop secpath at the same time as we currently drop dst Xiumei reported hitting the WARN in xfrm6tunnelnetexit while running tests that boil down to: - create a pair of netns - run a basic TCP test over ipcomp6 - delete the...

CVE-2025-21850

In the Linux kernel, the following vulnerability has been resolved: nvmet: Fix crash when a namespace is disabled The namespace percpu counter protects pending I/O, and we can only safely diable the namespace once the counter drop to zero. Otherwise we end up with a crash when running...

CVE-2025-21864 tcp: drop secpath at the same time as we currently drop dst

In the Linux kernel, the following vulnerability has been resolved: tcp: drop secpath at the same time as we currently drop dst Xiumei reported hitting the WARN in xfrm6tunnelnetexit while running tests that boil down to: - create a pair of netns - run a basic TCP test over ipcomp6 - delete the...

CVE-2025-21859

CVE-2025-21859 affects the Linux kernel USB gadget f_midi path; a deadlock occurs when a lock is acquired twice in a re-entrant f_midi_transmit. The fix is to schedule the inner f_midi_transmit via a high-priority work queue using queue_work() from the completion handler. Patched commits are refe...

CVE-2025-21853 bpf: avoid holding freeze_mutex during mmap operation

In the Linux kernel, the following vulnerability has been resolved: bpf: avoid holding freezemutex during mmap operation We use map-freezemutex to prevent races between mapfreeze and memory mapping BPF map contents with writable permissions. The way we naively do this means we'll hold freezemutex...

SUSE-SU-2025:0201-2 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2022-36280: Fixed out-of-bounds memory access vulnerability found in vmwgfx driver bsc1203332. - CVE-2022-48742: rtnetlink: make sure to refresh masterdev/mops i...

PT-2025-20494

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A long-standing race condition in the Linux kernel's PCI hotplug functionality can lead to a deadlock when hot-removing nested PCI hotplug ports. This issue occurs when a parent hotplug...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Telecommunications Update Service, and Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as...

Important: 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 Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

Azure Linux 3.0 Security Update: kernel (CVE-2024-53096)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-53096 advisory. - In the Linux kernel, the following vulnerability has been resolved: mm: resolve faulty mmapregion error path...

Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: HID: core: zero-initialize the report buffer CVE-2024-50302 kernel: ALSA: usb-audio: Fix potential out-of-bound accesses for Extigy and Mbox devices CVE-2024-53197 kernel: scsi:...

CVE-2025-21836 io_uring/kbuf: reallocate buf lists on upgrade

In the Linux kernel, the following vulnerability has been resolved: iouring/kbuf: reallocate buf lists on upgrade IORINGREGISTERPBUFRING can reuse an old struct iobufferlist if it was created for legacy selected buffer and has been emptied. It violates the requirement that most of the field shoul...

CVE-2024-58083 KVM: Explicitly verify target vCPU is online in kvm_get_vcpu()

In the Linux kernel, the following vulnerability has been resolved: KVM: Explicitly verify target vCPU is online in kvmgetvcpu Explicitly verify the target vCPU is fully online prior to clamping the index in kvmgetvcpu. If the index is "bad", the nospec clamping will generate '0', i.e. KVM will...

CVE-2025-21828

CVE-2025-21828 affects the Linux kernel wireless stack (wifi: mac80211). When a station (STA) is pre-moved to AUTHORIZED (e.g., in IBSS) and insertion fails, the STA can be freed without the driver knowing about it; an attempted flush of an untracked STA may crash. The description notes the root ...

Linux Distros Unpatched Vulnerability : CVE-2024-58001

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ocfs2: handle a symlink read error correctly Patch series Convert ocfs2 to use folios. Mark did a conversion of ocfs2 to use folios and sent it to me as a giant...

Linux Distros Unpatched Vulnerability : CVE-2024-53062

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: media: mgb4: protect driver against spectre Frequency range is set from sysfs via...

Linux Distros Unpatched Vulnerability : CVE-2025-21832

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - block: don't revert iter for -EIOCBQUEUED blkdevreaditer has a few odd checks, like gating the position and count adjustment on whether or not the result is...