USN-7304-1: Linux kernel vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM32 architecture; - x86 architecture; - Block layer subsystem; - Cryptographic API; - ACPI drivers; - Drivers cor...

CVE-2022-49458

In the Linux kernel, the following vulnerability has been resolved: drm/msm: don't free the IRQ if it was not requested As msmdrmuninit is called from the msmdrminit error path, additional care should be necessary as not to call the freeirq for the IRQ that was not requested before because an err...

CVE-2022-49642

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: dwc-qos: Disable split header for Tegra194 There is a long-standing issue with the Synopsys DWC Ethernet driver for Tegra194 where random system crashes have been observed 0. The problem occurs when the split header...

CVE-2022-49537

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix call trace observed during I/O with CMF enabled The following was seen with CMF enabled: BUG: using smpprocessorid in preemptible code: systemd-udevd/31711 kernel: caller is lpfcupdatecmfcmd+0x214/0x420 lpfc kerne...

CVE-2022-49413

In the Linux kernel, the following vulnerability has been resolved: bfq: Update cgroup information before merging bio When the process is migrated to a different cgroup or in case of writeback just starts submitting bios associated with a different cgroup bfqmergebio can operate with stale cgroup...

CVE-2022-49412

In the Linux kernel, the following vulnerability has been resolved: bfq: Avoid merging queues with different parents It can happen that the parent of a bfqq changes between the moment we decide two queues are worth to merge and set bic-stablemergebfqq and the moment bfqsetupmerge is called. This...

CVE-2022-49411

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...

DEBIAN-CVE-2022-49398

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-2022-49335

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/cs: make commands with 0 chunks illegal behaviour. Submitting a cs with 0 chunks, causes an oops later, found trying to execute the wrong userspace driver. MESALOADERDRIVEROVERRIDE=v3d glxinfo 172536.665184 BUG: kernel...

CVE-2022-49219

In the Linux kernel, the following vulnerability has been resolved: vfio/pci: fix memory leak during D3hot to D0 transition If 'vfiopcicoredevice::needspmrestore' is set PCI device does not have NoSoftReset bit set in its PMCSR config register, then the current PCI state will be saved locally in...

CVE-2022-49168

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not clean up repair bio if submit fails The submit helper will always run bioendio on the bio if it fails to submit, so cleaning up the bio just leads to a variety of use-after-free and NULL pointer dereference bugs...

CVE-2022-49725 i40e: Fix call trace in setup_tx_descriptors

In the Linux kernel, the following vulnerability has been resolved: i40e: Fix call trace in setuptxdescriptors After PF reset and ethtool -t there was call trace in dmesg sometimes leading to panic. When there was some time, around 5 seconds, between reset and test there were no errors. Problem w...

CVE-2022-49725

In the Linux kernel, the following vulnerability has been resolved: i40e: Fix call trace in setuptxdescriptors After PF reset and ethtool -t there was call trace in dmesg sometimes leading to panic. When there was some time, around 5 seconds, between reset and test there were no errors. Problem w...

CVE-2022-49701

CVE-2022-49701 affects the Linux kernel ibmvfc SCSI driver. The issue arises because sub-queues and event pool resources were allocated/freed for every CRQ connection event (e.g., reset, LPM) instead of only during probe/remove, creating a race window and potential list corruption when queues are...

CVE-2022-49701 scsi: ibmvfc: Allocate/free queue resource only during probe/remove

In the Linux kernel, the following vulnerability has been resolved: scsi: ibmvfc: Allocate/free queue resource only during probe/remove Currently, the sub-queues and event pool resources are allocated/freed for every CRQ connection event such as reset and LPM. This exposes the driver to a couple...

CVE-2022-49680 ARM: exynos: Fix refcount leak in exynos_map_pmu

In the Linux kernel, the following vulnerability has been resolved: ARM: exynos: Fix refcount leak in exynosmappmu offindmatchingnode returns a node pointer with refcount incremented, we should use ofnodeput on it when not need anymore. Add missing ofnodeput to avoid refcount leak. ofnodeput chec...

CVE-2022-49657 usbnet: fix memory leak in error case

In the Linux kernel, the following vulnerability has been resolved: usbnet: fix memory leak in error case usbnetwritecmdasync mixed up which buffers need to be freed in which error case. v2: add Fixes tag v3: fix uninitialized buf pointer...

CVE-2022-49646

CVE-2022-49646 affects the Linux kernel’s wifi/mac80211 code. When using iTXQ, the queue-selection logic assumed a single broadcast vif queue (BE). Allowing non-BE queue markings breaks that assumption and can break txq->ac == skb_queue_mapping, impacting queue handling in the driver and poten...

CVE-2022-49622

CVE-2022-49622 (Linux kernel) describes a use-after-free risk in nf_tables when verdict is NF_STOLEN in netfilter, where skb freeing may have occurred. The fix prevents illegal skb access by: (1) caching skb->nf_trace in the trace state and refreshing it when verdict != STOLEN; (2) skipping sk...

CVE-2022-49612 power: supply: core: Fix boundary conditions in interpolation

In the Linux kernel, the following vulnerability has been resolved: power: supply: core: Fix boundary conditions in interpolation The functions powersupplytemp2resistsimple and powersupplyocv2capsimple handle boundary conditions incorrectly. The change was introduced in...