CVE-2022-49489

CVE-2022-49489 details (NORMAL mode) Affects the Linux kernel component: drm/msm/disp/dpu1. The issue arises from set vbif hw config to NULL to avoid use-after-free during PM runtime resume in the DPU, leading to an Unable to handle kernel paging request crash (illustrated by the call trace inclu...

CVE-2022-49483

In the Linux kernel, the following vulnerability has been resolved: drm/msm/disp/dpu1: avoid clearing hw interrupts if hwintr is null during drm uninit If edp modeset init is failed due to panel being not ready and probe defers during drm bind, avoid clearing irqs and dereference hwintr when hwin...

CVE-2022-49471 rtw89: cfo: check mac_id to avoid out-of-bounds

In the Linux kernel, the following vulnerability has been resolved: rtw89: cfo: check macid to avoid out-of-bounds Somehow, hardware reports incorrect macid and pollute memory. Check index before we access the array. UBSAN: array-index-out-of-bounds in rtw89/phy.c:2517:23 index 188 is out of rang...

CVE-2022-49460

CVE-2022-49460 is a Linux kernel vulnerability affecting the devfreq subsystem (rk3399_dmc: disable edev on remove) that can cause an unbalanced enable-count when unbinding the DFI device. The issue is fixed in the kernel by disabling edev on remove, preventing the erroneous enable/disable tracki...

CVE-2022-49453 soc: ti: ti_sci_pm_domains: Check for null return of devm_kcalloc

In the Linux kernel, the following vulnerability has been resolved: soc: ti: tiscipmdomains: Check for null return of devmkcalloc The allocation funciton devmkcalloc may fail and return a null pointer, which would cause a null-pointer dereference later. It might be better to check it and directly...

CVE-2022-49443 list: fix a data-race around ep->rdllist

In the Linux kernel, the following vulnerability has been resolved: list: fix a data-race around ep-rdllist eppoll first calls epeventsavailable with no lock held and checks if ep-rdllist is empty by listemptycareful, which reads rdllist-prev. Thus all accesses to it need some protection to avoid...

CVE-2022-49442

CVE-2022-49442 pertains to the Linux kernel: the compaction sysfs file created by compaction_register_node in drivers/base/node.c was not removed in unregister_node, allowing a leaked sysfs file. The issue is fixed by applying compaction_unregister_node. According to the provided documents, the v...

CVE-2022-49441

CVE-2022-49441 relates to a Linux kernel deadlock in tty handling. The root cause is a potential deadlock when kmalloc() path could trigger a printk() while holding tty_port->lock, enabling a cycle with console ownership locks. The described failing scenario involves multiple CPUs acquiring po...

CVE-2022-49423 rtla: Avoid record NULL pointer dereference

In the Linux kernel, the following vulnerability has been resolved: rtla: Avoid record NULL pointer dereference Fix the following null/derefnull.cocci errors: ./tools/tracing/rtla/src/osnoisehist.c:870:31-36: ERROR: record is NULL but dereferenced. ./tools/tracing/rtla/src/osnoisetop.c:650:31-36:...

CVE-2022-49422

CVE-2022-49422: Linux kernel dmaengine idxd vulnerability. Root cause: error path in idxd_cdev_register() for alloc_chrdev_region() failures leaks allocated resources. Impact is local with high availability impact as per the CVE entry. Affected context is the idxd driver in the kernel; remediatio...

CVE-2022-49420 net: annotate races around sk->sk_bound_dev_if

In the Linux kernel, the following vulnerability has been resolved: net: annotate races around sk-skbounddevif UDP sendmsg is lockless, and reads sk-skbounddevif while this field can be changed by another thread. Adds minimal annotations to avoid KCSAN splats for UDP. Following patches will add...

CVE-2022-49415

In the Linux kernel, the following vulnerability has been resolved: ipmi:ipmb: Fix refcount leak in ipmiipmbprobe ofparsephandle returns a node pointer with refcount incremented, we should use ofnodeput on it when done. Add missing ofnodeput to avoid refcount leak...

CVE-2022-49411 bfq: Make sure bfqg for which we are queueing requests is online

In the Linux kernel, the following vulnerability has been resolved: bfq: Make sure bfqg for which we are queueing requests is online Bios queued into BFQ IO scheduler can be associated with a cgroup that was already offlined. This may then cause insertion of this bfqgroup into a service tree. But...

CVE-2022-49409

Summary: CVE-2022-49409 covers a Linux kernel ext4 bug that can trigger a BUG_ON in __es_tree_search due to a faulty check in ext4_valid_extent_entries when validating extents. The issue can occur during quota-related quota inode loading, propagating through ext4/extents.c to ext4_bread, quota_re...

CVE-2022-49409 ext4: fix bug_on in __es_tree_search

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bugon in estreesearch Hulk Robot reported a BUGON: ================================================================== kernel BUG at fs/ext4/extentsstatus.c:199! ... RIP: 0010:ext4esend fs/ext4/extentsstatus.c:199 inline...

CVE-2022-49404 RDMA/hfi1: Fix potential integer multiplication overflow errors

In the Linux kernel, the following vulnerability has been resolved: RDMA/hfi1: Fix potential integer multiplication overflow errors When multiplying of different types, an overflow is possible even when storing the result in a larger type. This is because the conversion is done after the...

CVE-2022-49398 usb: dwc3: gadget: Replace list_for_each_entry_safe() if using giveback

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: gadget: Replace listforeachentrysafe if using giveback The listforeachentrysafe macro saves the current item n and the item after n+1, so that n can be safely removed without corrupting the list. However, when traversi...

CVE-2022-49395 um: Fix out-of-bounds read in LDT setup

In the Linux kernel, the following vulnerability has been resolved: um: Fix out-of-bounds read in LDT setup syscallstubdata expects the datacount parameter to be the number of longs, not bytes. ================================================================== BUG: KASAN: stack-out-of-bounds in...

CVE-2022-49390

The CVE-2022-49390 entry concerns a Linux kernel macsec vulnerability in which a new macsec device could be created without holding a reference to the underlying real_dev, enabling a use-after-free in macsec_get_iflink and related paths. Root cause: lack of proper reference handling for real_dev ...

CVE-2022-49375

The CVE-2022-49375 entry concerns the Linux kernel rtc: mt6397 driver. The described vulnerability is a potential null-pointer dereference when platform_get_resource() returns NULL, caused by not checking the return value. The connected documentation states the fix is to check the return value of...