CVE-2022-50886

In the Linux kernel, the following vulnerability has been resolved: mmc: toshsd: fix return value check of mmcaddhost mmcaddhost may return error, if we ignore its return value, the memory that allocated in mmcallochost will be leaked and it will lead a kernel crash because of deleting not added...

UBUNTU-CVE-2022-50886

In the Linux kernel, the following vulnerability has been resolved: mmc: toshsd: fix return value check of mmcaddhost mmcaddhost may return error, if we ignore its return value, the memory that allocated in mmcallochost will be leaked and it will lead a kernel crash because of deleting not added...

UBUNTU-CVE-2023-54293

In the Linux kernel, the following vulnerability has been resolved: bcache: fixup btreecachewait list damage We get a kernel crash about "listadd corruption. next-prev should be prev ffff9c801bc01210, but was ffff9c77b688237c. next=ffffae586d8afe68." crash struct listhead 0xffff9c801bc01210 struc...

UBUNTU-CVE-2022-50858

In the Linux kernel, the following vulnerability has been resolved: mmc: alcor: fix return value check of mmcaddhost mmcaddhost may return error, if we ignore its return value, the memory that allocated in mmcallochost will be leaked and it will lead a kernel crash because of deleting not added...

UBUNTU-CVE-2023-54173

In the Linux kernel, the following vulnerability has been resolved: bpf: Disable preemption in bpfeventoutput We received report 1 of kernel crash, which is caused by using nesting protection without disabled preemption. The bpfeventoutput can be called by programs executed by bpfprogrunarraycg...

UBUNTU-CVE-2023-54278

In the Linux kernel, the following vulnerability has been resolved: s390/vmem: split pages when debug pagealloc is enabled Since commit bb1520d581a3 "s390/mm: start kernel with DAT enabled" the kernel crashes early during boot when debug pagealloc is enabled: mem auto-init: stack:off, heap...

UBUNTU-CVE-2023-54195

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix timeout of a call that hasn't yet been granted a channel afsmakecall calls rxrpckernelbegincall to begin a call which may get stalled in the background waiting for a connection to become available; it then calls...

UBUNTU-CVE-2022-50846

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-2022-50886

CVE-2022-50886 is a Linux kernel issue in the MMC Toshiba SD host path (mmc_add_host). If mmc_add_host() returns an error and the return value is ignored, memory allocated by mmc_alloc_host() leaks, potentially causing a kernel crash when removing the not-added device. The fix, as described in th...

CVE-2022-50886 mmc: toshsd: fix return value check of mmc_add_host()

In the Linux kernel, the following vulnerability has been resolved: mmc: toshsd: fix return value check of mmcaddhost mmcaddhost may return error, if we ignore its return value, the memory that allocated in mmcallochost will be leaked and it will lead a kernel crash because of deleting not added...

CVE-2023-54318 net/smc: use smc_lgr_list.lock to protect smc_lgr_list.list iterate in smcr_port_add

In the Linux kernel, the following vulnerability has been resolved: net/smc: use smclgrlist.lock to protect smclgrlist.list iterate in smcrportadd While doing smcrportadd, there maybe linkgroup add into or delete from smclgrlist.list at the same time, which may result kernel crash. So, use...

CVE-2023-54318 net/smc: use smc_lgr_list.lock to protect smc_lgr_list.list iterate in smcr_port_add

In the Linux kernel, the following vulnerability has been resolved: net/smc: use smclgrlist.lock to protect smclgrlist.list iterate in smcrportadd While doing smcrportadd, there maybe linkgroup add into or delete from smclgrlist.list at the same time, which may result kernel crash. So, use...

CVE-2023-54316

CVE-2023-54316 affects the Linux kernel refscale subsystem. The issue is a race where init_waitqueue_head() may be called after torture_create_kthread(), allowing a kthread to use an uninitialized waitqueue head and crash with a kernel PAGE_FAULT [not-present page] during ref_scale_reader executi...

CVE-2023-54303

CVE-2023-54303 : Linux kernel vulnerability in bpf_perf_event_output where preemption is mishandled in uprobes context, risking two tasks sharing a perf_sample_data buffer and potential crash. Affected: kernel code path for BPF perf event output; Root cause: nesting protection relies on disabled ...

CVE-2023-54293 bcache: fixup btree_cache_wait list damage

In the Linux kernel, the following vulnerability has been resolved: bcache: fixup btreecachewait list damage We get a kernel crash about "listadd corruption. next-prev should be prev ffff9c801bc01210, but was ffff9c77b688237c. next=ffffae586d8afe68." crash struct listhead 0xffff9c801bc01210 struc...

CVE-2023-54278

CVE-2023-54278 — Linux kernel (s390/vmem): Resolution involves splitting large mappings into 4k pages when debug pagealloc is enabled, to prevent boot-time crash on EDAT1/EDAT2 machines. Root cause: large mappings cause fatal exception during early boot with DEBUG_PAGEALLOC. Affected scenario ari...

CVE-2023-54278 s390/vmem: split pages when debug pagealloc is enabled

In the Linux kernel, the following vulnerability has been resolved: s390/vmem: split pages when debug pagealloc is enabled Since commit bb1520d581a3 "s390/mm: start kernel with DAT enabled" the kernel crashes early during boot when debug pagealloc is enabled: mem auto-init: stack:off, heap...

CVE-2022-50873

CVE-2022-50873 affects the Linux kernel. In vp_vdpa_remove(), kfree is called with the address of vp_vdpa_mgtdev->mgtdev.id_table (a pointer’s address), which is the wrong pointer and can lead to a crash (example trace included). The advisory states this has been resolved via a kernel fix; rem...

CVE-2022-50858

The CVE-2022-50858 entry concerns the Linux kernel mmc alcor driver. The vulnerability arises when mmc_add_host() returns an error but its return value is not checked, risking a memory leak from allocations in mmc_alloc_host() and potentially causing a kernel crash on removing an unadded device. ...

CVE-2022-50858 mmc: alcor: fix return value check of mmc_add_host()

In the Linux kernel, the following vulnerability has been resolved: mmc: alcor: fix return value check of mmcaddhost mmcaddhost may return error, if we ignore its return value, the memory that allocated in mmcallochost will be leaked and it will lead a kernel crash because of deleting not added...