CVE-2023-54268 debugobjects: Don't wake up kswapd from fill_pool()

In the Linux kernel, the following vulnerability has been resolved: debugobjects: Don't wake up kswapd from fillpool syzbot is reporting a lockdep warning in fillpool because the allocation from debugobjects is using GFPATOMIC, which is GFPHIGH | GFPKSWAPDRECLAIM and therefore tries to wake up...

CVE-2023-54268 debugobjects: Don't wake up kswapd from fill_pool()

In the Linux kernel, the following vulnerability has been resolved: debugobjects: Don't wake up kswapd from fillpool syzbot is reporting a lockdep warning in fillpool because the allocation from debugobjects is using GFPATOMIC, which is GFPHIGH | GFPKSWAPDRECLAIM and therefore tries to wake up...

CVE-2023-54241 MIPS: KVM: Fix NULL pointer dereference

In the Linux kernel, the following vulnerability has been resolved: MIPS: KVM: Fix NULL pointer dereference After commit 45c7e8af4a5e3f0bea4ac209 "MIPS: Remove KVMTE support" we get a NULL pointer dereference when creating a KVM guest: 146.243409 Starting KVM with MIPS VZ extensions 149.849151 CP...

CVE-2023-54228 regulator: raa215300: Fix resource leak in case of error

In the Linux kernel, the following vulnerability has been resolved: regulator: raa215300: Fix resource leak in case of error The clkregisterclkdev allocates memory by calling vclkdevalloc and this memory is not freed in the error path. Similarly, resources allocated by clkregisterfixedrate are no...

CVE-2023-54219

CVE-2023-54219 (Linux kernel, IB/isert) : The vulnerability stems from reverting the commit 699826f4e30a8 that fixed an incorrect release of isert connections, which now causes problems on OPA devices when DEVICE_REMOVAL occurs. The provided notes show kernel warnings and a call trace in ib_cq_po...

CVE-2023-54219 Revert "IB/isert: Fix incorrect release of isert connection"

In the Linux kernel, the following vulnerability has been resolved: Revert "IB/isert: Fix incorrect release of isert connection" Commit: 699826f4e30a "IB/isert: Fix incorrect release of isert connection" is causing problems on OPA when DEVICEREMOVAL is happening. ------------ cut here -----------...

CVE-2023-54219 Revert "IB/isert: Fix incorrect release of isert connection"

In the Linux kernel, the following vulnerability has been resolved: Revert "IB/isert: Fix incorrect release of isert connection" Commit: 699826f4e30a "IB/isert: Fix incorrect release of isert connection" is causing problems on OPA when DEVICEREMOVAL is happening. ------------ cut here -----------...

CVE-2022-50846 mmc: via-sdmmc: fix return value check of mmc_add_host()

In the Linux kernel, the following vulnerability has been resolved: mmc: via-sdmmc: fix return value check of mmcaddhost mmcaddhost may return error, if we ignore its return value, it will lead two issues: 1. The memory that allocated in mmcallochost is leaked. 2. In the remove path, mmcremovehos...

CVE-2022-50840 scsi: snic: Fix possible UAF in snic_tgt_create()

In the Linux kernel, the following vulnerability has been resolved: scsi: snic: Fix possible UAF in snictgtcreate Smatch reports a warning as follows: drivers/scsi/snic/snicdisc.c:307 snictgtcreate warn: '&tgt-list' not removed from list If deviceadd fails in snictgtcreate, tgt will be freed, but...

CVE-2022-50840

The CVE-2022-50840 issue affects the Linux kernel SCSI driver snic: the code path snic_tgt_create() could trigger a use-after-free if device_add() fails, because tgt->list was not removed from snic->disc.tgt_list before freeing. The fix removes the tgt from snic->disc.tgt_list prior to f...

CVE-2023-54202

CVE-2023-54202 affects the Linux kernel DRM/I915 component (i915_perf_add_config_ioctl). The issue is a race leading to a use-after-free when an oa_config object is created while config removal races with metrics_lock, if the code dereferences the object after unlocking metrics_lock. The vulnerab...

CVE-2023-54202 drm/i915: fix race condition UAF in i915_perf_add_config_ioctl

In the Linux kernel, the following vulnerability has been resolved: drm/i915: fix race condition UAF in i915perfaddconfigioctl Userspace can guess the id value and try to race oaconfig object creation with config remove, resulting in a use-after-free if we dereference the object after unlocking t...

CVE-2023-54200

The CVE-2023-54200 issue affects the Linux kernel netfilter nf_tables hooks for netdev: they are now always released from the notifier, reverting a previous change that skipped netdev events on netns removal. The bug can cause a use-after-free in nf_hook_entry_head (KASAN) when a veth release que...

CVE-2023-54200 netfilter: nf_tables: always release netdev hooks from notifier

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: always release netdev hooks from notifier This reverts "netfilter: nftables: skip netdev events generated on netns removal". The problem is that when a veth device is released, the veth release callback will...

CVE-2023-54193 net/sched: cls_api: remove block_cb from driver_list before freeing

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsapi: remove blockcb from driverlist before freeing Error handler of tcfblockbind frees the whole bo-cblist on error. However, by that time the flowblockcb instances are already in the driver list because driver...

CVE-2022-50820

CVE-2022-50820 affects the Linux kernel, specifically in the perf/arm_dmc620 subsystem. The vulnerability arises in dmc620_pmu_init(), which may leak a hotplug callback because a callback registered with cpuhp_setup_state_multi() is not removed if platform_driver_register() fails. The documented ...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992250)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992250 advisory. In the Linux kernel, the following vulnerability has been resolved: staging: greybus: audiohelper: remove unused and wrong debugfs usage In the greybus audiohelper...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992227)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992227 advisory. In the Linux kernel, the following vulnerability has been resolved: PCI: Fix use-after-free of slot-bus on hot remove Dennis reports a boot crash on recent Lenovo...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from an interrupt not being released before device removal, which could result in a null pointer dereference...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992305)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992305 advisory. In the Linux kernel, the following vulnerability has been resolved: scsi: sg: Allow waiting for commands to complete on removed device When a SCSI device is removed...