USN-7517-2: Linux kernel (IBM) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - PowerPC architecture; - Block layer subsystem; - Drivers core; - Network block device driver;...

SUSE-SU-2025:01614-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP6 kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2024-28956: x86/ibt: Keep IBT disabled during alternative patching bsc1242006. - CVE-2024-35840: mptcp: use OPTIONMPTCPMPJSYNACK in subflowfinishconnect...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9.4 Extended Update Support. 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...

CVE-2025-37971 staging: bcm2835-camera: Initialise dev in v4l2_dev

In the Linux kernel, the following vulnerability has been resolved: staging: bcm2835-camera: Initialise dev in v4l2dev Commit 42a2f6664e18 "staging: vc04services: Move global gstate to vchiqstate" changed mmalinit to pass dev-v4l2dev.dev to vchiqmmalinit, however nothing iniitialised dev-v4l2dev,...

CVE-2025-37965

Concretely described CVE-2025-37965 affects the Linux kernel DRM/AMD display code. The root cause is GFP_KERNEL memory allocations in populate_dml_plane_cfg_from_plane_state(), which are unsafe in atomic contexts. The fix removes dynamic allocations by passing a pointer to scaler_data within the ...

CVE-2025-37964 x86/mm: Eliminate window where TLB flushes may be inadvertently skipped

In the Linux kernel, the following vulnerability has been resolved: x86/mm: Eliminate window where TLB flushes may be inadvertently skipped tl;dr: There is a window in the mm switching code where the new CR3 is set and the CPU should be getting TLB flushes for the new mm. But shouldflushtlb has a...

CVE-2025-37956 ksmbd: prevent rename with empty string

In the Linux kernel, the following vulnerability has been resolved: ksmbd: prevent rename with empty string Client can send empty newname string to ksmbd server. It will cause a kernel oops from dalloc. This patch return the error when attempting to rename a file or directory with an empty new na...

CVE-2025-37938

CVE-2025-37938 involves the Linux kernel tracing subsystem. The vulnerability centers on the trace event verifier, which checks print formats to ensure pointers reference valid memory that is part of the event or data that will be freed. If an event uses the format "%*p.." and the verifier ignore...

CVE-2025-37905 firmware: arm_scmi: Balance device refcount when destroying devices

In the Linux kernel, the following vulnerability has been resolved: firmware: armscmi: Balance device refcount when destroying devices Using devicefindchild to lookup the proper SCMI device to destroy causes an unbalance in device refcount, since devicefindchild calls an implicit getdevice: this,...

CVE-2025-37897

In the Linux kernel, the following vulnerability has been resolved: wifi: plfxlc: Remove erroneous assert in plfxlcmacrelease plfxlcmacrelease asserts that mac-lock is held. This assertion is incorrect, because even if it was possible, it would not be the valid behaviour. The function is used whe...

USN-7515-2: Linux kernel vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - RISC-V architecture; - x86 architecture; - Block layer subsystem; - Compute Acceleration Framework; - ACPI drivers;...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8.8 Extended Update Support. 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...

RHEL 9 : kernel-rt (RHSA-2025:7676)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:7676 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirement...

CVE-2025-37889

In the Linux kernel, the following vulnerability has been resolved: ASoC: ops: Consistently treat platformmax as control value This reverts commit 9bdd10d57a88 "ASoC: ops: Shift tested values in sndsocputvolsw by +min", and makes some additional related updates. There are two ways the platformmax...

CVE-2023-53145 Bluetooth: btsdio: fix use after free bug in btsdio_remove due to race condition

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btsdio: fix use after free bug in btsdioremove due to race condition In btsdioprobe, the data-work is bound with btsdiowork. It will be started in btsdiosendframe. If the btsdioremove runs with a unfinished work, there...

CVE-2025-37852

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: handle amdgpucgscreatedevice errors in amdpowerplaycreate Add error handling to propagate amdgpucgscreatedevice failures to the caller. When amdgpucgscreatedevice fails, release hwmgr and return -ENOMEM to prevent nul...

CVE-2025-37878 perf/core: Fix WARN_ON(!ctx) in __free_event() for partial init

In the Linux kernel, the following vulnerability has been resolved: perf/core: Fix WARNON!ctx in freeevent for partial init Move the getctxchildctx call and the childevent-ctx assignment to occur immediately after the child event is allocated. Ensure that childevent-ctx is non-NULL before any...

CVE-2025-37867 RDMA/core: Silence oversized kvmalloc() warning

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Silence oversized kvmalloc warning syzkaller triggered an oversized kvmalloc warning. Silence it by adding GFPNOWARN. syzkaller log: WARNING: CPU: 7 PID: 518 at mm/util.c:665 kvmallocnodenoprof+0x175/0x180 CPU: 7 UID: ...

CVE-2025-37864 net: dsa: clean up FDB, MDB, VLAN entries on unbind

In the Linux kernel, the following vulnerability has been resolved: net: dsa: clean up FDB, MDB, VLAN entries on unbind As explained in many places such as commit b117e1e8a86d "net: dsa: delete dsalegacyfdbadd and dsalegacyfdbdel", DSA is written given the assumption that higher layers have...

CVE-2025-37859

The CVE-2025-37859 issue affects the Linux kernel page_pool subsystem. The root cause was a bug where page_pool_release_retry() could wake up the kworker repeatedly when inflight became negative, causing an infinite reschedule loop and flooding logs. The published fix mitigates this by not resche...