CVE-2022-49254

In the Linux kernel, the following vulnerability has been resolved: media: ti-vpe: cal: Fix a NULL pointer dereference in calctxv4l2initformats In calctxv4l2initformats, devmkzalloc is assigned to ctx-activefmt and there is a dereference of it after that, which could lead to NULL pointer...

CVE-2022-49083

CVE-2022-49083 concerns a kernel-level regression in the iommu/omap path that can trigger a NULL pointer dereference during device probe. The issue arises when a commit altered probe behavior (3f6634d997db) so that omap iommu probe returns 0 instead of ERR_PTR(-ENODEV), making probe_iommu_group-&...

CVE-2022-49072

In the Linux kernel, the following vulnerability has been resolved: gpio: Restrict usage of GPIO chip irq members before initialization GPIO chip irq members are exposed before they could be completely initialized and this leads to race conditions. One such issue was observed for the gc-irq.domai...

CVE-2022-49055 drm/amdkfd: Check for potential null return of kmalloc_array()

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Check for potential null return of kmallocarray As the kmallocarray may return null, the 'eventwaitersi.wait' would lead to null-pointer dereference. Therefore, it is better to check the return value of kmallocarray t...

Azure Linux 3.0 Security Update: hyperv-daemons (CVE-2024-26984)

The version of hyperv-daemons 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-2024-26984 advisory. - In the Linux kernel, the following vulnerability has been resolved: nouveau: fix instmem race...

CVE-2024-36476

In the Linux kernel, the following vulnerability has been resolved: RDMA/rtrs: Ensure 'ibsge list' is accessible Move the declaration of the 'ibsge list' variable outside the 'alwaysinvalidate' block to ensure it remains accessible for use throughout the function. Previously, 'ibsge list' was...

CVE-2024-36476

CVE-2024-36476 affects the Linux kernel's RDMA/rtrs path. The vulnerability stems from ib_sge list being declared inside the always_invalidate block, which could lead to a NULL pointer dereference and kernel instability. The fix moves the ib_sge list declaration to a scope accessible throughout t...

CVE-2024-56577

In the Linux kernel, the following vulnerability has been resolved: media: mtk-jpeg: Fix null-ptr-deref during unload module The workqueue should be destroyed in mtkjpegcore.c since commit 09aea13ecf6f "media: mtk-jpeg: refactor some variables", otherwise the below calltrace can be easily...

PT-2025-3659 · Linux +3 · Linux Kernel +3

The Linux kernel has resolved a NULL Pointer Dereference issue in its fgraph component. The problem occurred in the ftrace return to handler function, where a loop iterates over fgraph array elements. If the compiler reloads fgraph array after checking for a fgraph stub, it may conflict with an...

CVE-2024-56711

CVE-2024-56711 is a Linux kernel vulnerability affecting the DRM panel driver for himax-hx83102. The issue arises when drm_mode_duplicate() can return NULL due to memory allocation failure, after which code may dereference NULL pointers. The fix adds a explicit NULL check to prevent a NULL pointe...

CVE-2024-56577 media: mtk-jpeg: Fix null-ptr-deref during unload module

In the Linux kernel, the following vulnerability has been resolved: media: mtk-jpeg: Fix null-ptr-deref during unload module The workqueue should be destroyed in mtkjpegcore.c since commit 09aea13ecf6f "media: mtk-jpeg: refactor some variables", otherwise the below calltrace can be easily...

CVE-2024-53231 cpufreq: CPPC: Fix possible null-ptr-deref for cpufreq_cpu_get_raw()

In the Linux kernel, the following vulnerability has been resolved: cpufreq: CPPC: Fix possible null-ptr-deref for cpufreqcpugetraw cpufreqcpugetraw may return NULL if the cpu is not in policy-cpus cpu mask and it will cause null pointer dereference...

CVE-2024-43911 wifi: mac80211: fix NULL dereference at band check in starting tx ba session

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix NULL dereference at band check in starting tx ba session In MLD connection, linkdata/linkconf are dynamically allocated. They don't point to vif-bssconf. So, there will be no chanreq assigned to vif-bssconf an...

CVE-2022-48914

In the Linux kernel, the following vulnerability has been resolved: xen/netfront: destroy queues before realnumtxqueues is zeroed xennetdestroyqueues relies on info-netdev-realnumtxqueues to delete queues. Since d7dac083414eb5bb99a6d2ed53dc2c1b405224e5 "net-sysfs: update the queue counts in the...

CVE-2023-52745

In the Linux kernel, the following vulnerability has been resolved: IB/IPoIB: Fix legacy IPoIB due to wrong number of queues The cited commit creates child PKEY interfaces over netlink will multiple tx and rx queues, but some devices doesn't support more than 1 tx and 1 rx queues. This causes to ...

CVE-2023-52745

In the Linux kernel, the following vulnerability has been resolved: IB/IPoIB: Fix legacy IPoIB due to wrong number of queues The cited commit creates child PKEY interfaces over netlink will multiple tx and rx queues, but some devices doesn't support more than 1 tx and 1 rx queues. This causes to ...

CVE-2021-47384

In the Linux kernel, the following vulnerability has been resolved: hwmon: w83793 Fix NULL pointer dereference by removing unnecessary structure field If driver read tmp value sufficient for tmp & 0x08 && !tmp & 0x80 && tmp & 0x7 == tmp 4 & 0x7 from device then Null pointer dereference occurs. It...

CVE-2021-47337

The CVE-2021-47337 issue is in the Linux kernel SCSI core path: when an error arises during scsi_host_alloc() and the error-handling ehandler thread fails to spawn, shost->ehandler may be set to ERR_PTR(-ENOMEM) and scsi_host_dev_release() would call kthread_stop() on a NULL/invalid pointer, r...

CVE-2024-27061 crypto: sun8i-ce - Fix use after free in unprepare

In the Linux kernel, the following vulnerability has been resolved: crypto: sun8i-ce - Fix use after free in unprepare sun8icecipherunprepare should be called before cryptofinalizeskcipherrequest, because client callbacks may immediately free memory, that isn't needed anymore. But it will be used...

CVE-2024-26868 nfs: fix panic when nfs4_ff_layout_prepare_ds() fails

In the Linux kernel, the following vulnerability has been resolved: nfs: fix panic when nfs4fflayoutprepareds fails We've been seeing the following panic in production BUG: kernel NULL pointer dereference, address: 0000000000000065 PGD 2f485f067 P4D 2f485f067 PUD 2cc5d8067 PMD 0 RIP:...