UBUNTU-CVE-2021-47652

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: smscufx: Fix null-ptr-deref in ufxusbprobe I got a null-ptr-deref report: BUG: kernel NULL pointer dereference, address: 0000000000000000 ... RIP: 0010:fbdestroymodelist+0x38/0x100 ... Call Trace:...

CVE-2022-49719

In the Linux kernel, the following vulnerability has been resolved: irqchip/gic/realview: Fix refcount leak in realviewgicofinit offindmatchingnodeandmatch returns a node pointer with refcount incremented, we should use ofnodeput on it when not need anymore. Add missing ofnodeput to avoid refcoun...

CVE-2022-49713

In CVE-2022-49713, the Linux kernel vulnerability affects the USB-DWC2 HCD initialization path. The issue is a memory leak in dwc2_hcd_init where usb_create_hcd allocates memory for hcd but may fail to free it if platform_get_resource() fails; the fix moves the error path from error1 to error2 an...

CVE-2022-49627

In the Linux kernel, the following vulnerability has been resolved: ima: Fix potential memory leak in imainitcrypto On failure to allocate the SHA1 tfm, IMA fails to initialize and exits without freeing the imaalgoarray. Add the missing kfree for imaalgoarray to avoid the potential memory leak...

CVE-2022-49529 drm/amdgpu/pm: fix the null pointer while the smu is disabled

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/pm: fix the null pointer while the smu is disabled It needs to check if the ppfuncs is initialized while release the context, otherwise it will trigger null pointer panic while the software smu is not enabled...

CVE-2022-49511 fbdev: defio: fix the pagelist corruption

In the Linux kernel, the following vulnerability has been resolved: fbdev: defio: fix the pagelist corruption Easily hit the below list corruption: == listadd corruption. prev-next should be next ffffffffc0ceb090, but was ffffec604507edc8. prev=ffffec604507edc8. WARNING: CPU: 65 PID: 3959 at...

CVE-2022-49511

In the Linux kernel, the following vulnerability has been resolved: fbdev: defio: fix the pagelist corruption Easily hit the below list corruption: == listadd corruption. prev-next should be next ffffffffc0ceb090, but was ffffec604507edc8. prev=ffffec604507edc8. WARNING: CPU: 65 PID: 3959 at...

CVE-2022-49511

In CVE-2022-49511, the race occurs in the Linux kernel’s fbdev defio path: one thread adds page->lru to the pagelist tail in fb_deferred_io_mkwrite while another re-initializes the same page->lru in fb_deferred_io_fault, without proper synchronization. The fix initializes all page lists onc...

CVE-2022-49511 fbdev: defio: fix the pagelist corruption

In the Linux kernel, the following vulnerability has been resolved: fbdev: defio: fix the pagelist corruption Easily hit the below list corruption: == listadd corruption. prev-next should be next ffffffffc0ceb090, but was ffffec604507edc8. prev=ffffec604507edc8. WARNING: CPU: 65 PID: 3959 at...

CVE-2022-49507 regulator: da9121: Fix uninit-value in da9121_assign_chip_model()

In the Linux kernel, the following vulnerability has been resolved: regulator: da9121: Fix uninit-value in da9121assignchipmodel KASAN report slab-out-of-bounds in regmapinit as follows: BUG: KASAN: slab-out-of-bounds in regmapinit drivers/base/regmap/regmap.c:841 Read of size 1 at addr...

CVE-2022-49478

In the Linux kernel, the following vulnerability has been resolved: media: pvrusb2: fix array-index-out-of-bounds in pvr2i2ccoreinit Syzbot reported that -1 is used as array index. The problem was in missing validation check. hdw-unitnumber is initialized with -1 and then if init table walk fails...

CVE-2022-49478 media: pvrusb2: fix array-index-out-of-bounds in pvr2_i2c_core_init

In the Linux kernel, the following vulnerability has been resolved: media: pvrusb2: fix array-index-out-of-bounds in pvr2i2ccoreinit Syzbot reported that -1 is used as array index. The problem was in missing validation check. hdw-unitnumber is initialized with -1 and then if init table walk fails...

CVE-2022-49478

CVE-2022-49478 affects the Linux kernel via the media: pvrusb2 driver, specifically a faulty check in pvr2_i2c_core_init that permits an array index of -1 to be used. The issue arises when hdw->unit_number is initialized to -1 and may remain unchanged if the init-table walk fails, leading to o...

CVE-2022-49433

In the Linux kernel, the following vulnerability has been resolved: RDMA/hfi1: Prevent use of lock before it is initialized If there is a failure during probe of hfi1 before the sdmamaplock is initialized, the call to hfi1freedevdata will attempt to use a lock that has not been initialized. If th...

CVE-2022-49433

The CVE-2022-49433 entry is confirmed with concrete details in connected advisories: in the Linux kernel RDMA/hfi1 driver, a path may call hfi1_free_devdata() with sdma_map_lock uninitialized if probe of hfi1 fails before sdma_map_lock is set up. This could lead to locking operations being perfor...

CVE-2022-49433 RDMA/hfi1: Prevent use of lock before it is initialized

In the Linux kernel, the following vulnerability has been resolved: RDMA/hfi1: Prevent use of lock before it is initialized If there is a failure during probe of hfi1 before the sdmamaplock is initialized, the call to hfi1freedevdata will attempt to use a lock that has not been initialized. If th...

CVE-2022-49433 RDMA/hfi1: Prevent use of lock before it is initialized

In the Linux kernel, the following vulnerability has been resolved: RDMA/hfi1: Prevent use of lock before it is initialized If there is a failure during probe of hfi1 before the sdmamaplock is initialized, the call to hfi1freedevdata will attempt to use a lock that has not been initialized. If th...

CVE-2022-49381 jffs2: fix memory leak in jffs2_do_fill_super

In the Linux kernel, the following vulnerability has been resolved: jffs2: fix memory leak in jffs2dofillsuper If jffs2iget or dmakeroot in jffs2dofillsuper returns an error, we can observe the following kmemleak report: -------------------------------------------- unreferenced object...

CVE-2022-49378

In the Linux kernel, the following vulnerability has been resolved: sfc: fix considering that all channels have TX queues Normally, all channels have RX and TX queues, but this is not true if modparam efxseparatetxchannels=1 is used. In that cases, some channels only have RX queues and others onl...

CVE-2022-49378

CVE-2022-49378 concerns a Linux kernel driver issue in the sfc/efx10 path where TX queue initialization can fail when modparam efx_separate_tx_channels=1 causes some channels to have only RX or only TX queues. The root cause is an incorrect determination of whether a channel has TX queues, which ...