UBUNTU-CVE-2022-49098

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Fix potential crash on module unload The vmbus driver relies on the panic notifier infrastructure to perform some operations when a panic event is detected. Since vmbus can be built as module, it is required...

UBUNTU-CVE-2022-49195

In the Linux kernel, the following vulnerability has been resolved: net: dsa: fix panic on shutdown if multi-chip tree failed to probe DSA probing is atypical because a tree of devices must probe all at once, so out of N switches which call dsatreesetuproutingtable during probe, for N - 1 of them...

UBUNTU-CVE-2022-49124

In the Linux kernel, the following vulnerability has been resolved: x86/mce: Work around an erratum on fast string copy instructions A rare kernel panic scenario can happen when the following conditions are met due to an erratum on fast string copy instructions: 1 An uncorrected error. 2 That err...

UBUNTU-CVE-2022-49131

In the Linux kernel, the following vulnerability has been resolved: ath11k: fix kernel panic during unload/load ath11k modules Call netifnapidel from ath11kahbfreeextirq to fix the following kernel panic when unload/load ath11k modules for few iterations. 971.201365 Unable to handle kernel paging...

UBUNTU-CVE-2022-49048

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix panic when forwarding a pkt with no in6 dev kongweibin reported a kernel panic in ip6forward when input interface has no in6 dev associated. The following tc commands were used to reproduce this panic: tc qdisc del dev...

UBUNTU-CVE-2022-49084

In the Linux kernel, the following vulnerability has been resolved: qede: confirm skb is allocated before using qedebuildskb assumes buildskb always works and goes straight to skbreserve. However, buildskb can fail under memory pressure. This results in a kernel panic because the skb to reserve i...

UBUNTU-CVE-2022-49096

In the Linux kernel, the following vulnerability has been resolved: net: sfc: add missing xdp queue reinitialization After rx/tx ring buffer size is changed, kernel panic occurs when it acts XDPTX or XDPREDIRECT. When tx/rx ring buffer size is changedethtool -G, sfc driver reallocates and...

UBUNTU-CVE-2022-49163

In the Linux kernel, the following vulnerability has been resolved: media: imx-jpeg: fix a bug of accessing array out of bounds When error occurs in parsing jpeg, the slot isn't acquired yet, it may be the default value MXCMAXSLOTS. If the driver access the slot using the incorrect slot number, i...

UBUNTU-CVE-2022-49054

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Deactivate sysctlrecordpanicmsg by default in isolated guests hvpanicpage might contain guest-sensitive information, do not dump it over to Hyper-V by default in isolated guests. While at it, update some...

UBUNTU-CVE-2022-49154

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: fix panic on out-of-bounds guest IRQ As guestirq is coming from KVMIRQFD API call, it may trigger crash in svmupdatepiirte due to out-of-bounds: crash bt PID: 22218 TASK: ffff951a6ad74980 CPU: 73 COMMAND: "vcpu8" 0...

CVE-2021-47647

In the Linux kernel, the following vulnerability has been resolved: clk: qcom: ipq8074: fix PCI-E clock oops Fix PCI-E clock related kernel oops that are caused by a missing clock parent. pcie0rchngclksrc has numparents set to 2 but only one parent is actually set via parenthws, it should also ha...

CVE-2021-47647

In the Linux kernel, the following vulnerability has been resolved: clk: qcom: ipq8074: fix PCI-E clock oops Fix PCI-E clock related kernel oops that are caused by a missing clock parent. pcie0rchngclksrc has numparents set to 2 but only one parent is actually set via parenthws, it should also ha...

CVE-2022-49726 clocksource: hyper-v: unexport __init-annotated hv_init_clocksource()

In the Linux kernel, the following vulnerability has been resolved: clocksource: hyper-v: unexport init-annotated hvinitclocksource EXPORTSYMBOL and init is a bad combination because the .init.text section is freed up after the initialization. Hence, modules cannot use symbols annotated init. The...

CVE-2022-49726 clocksource: hyper-v: unexport __init-annotated hv_init_clocksource()

In the Linux kernel, the following vulnerability has been resolved: clocksource: hyper-v: unexport init-annotated hvinitclocksource EXPORTSYMBOL and init is a bad combination because the .init.text section is freed up after the initialization. Hence, modules cannot use symbols annotated init. The...

CVE-2022-49726

In the Linux kernel, the following vulnerability has been resolved: clocksource: hyper-v: unexport init-annotated hvinitclocksource EXPORTSYMBOL and init is a bad combination because the .init.text section is freed up after the initialization. Hence, modules cannot use symbols annotated init. The...

CVE-2022-49726

CVE-2022-49726 concerns the Linux kernel clocksource for Hyper-V. The issue arises from exporting an __init-annotated hv_init_clocksource() symbol, while the __init code may be freed after initialization, making the symbol potentially invalid for modules. The vulnerability can lead to a kernel pa...

CVE-2022-49725

CVE-2022-49725 affects the Linux kernel i40e driver (Intel Ethernet) and relates to a crash after PF reset when ethtool -t tests are run in close succession. The root cause is a race between pf reset calling i40e_vsi_close in prep_for_reset and ethtool -t calling i40e_vsi_close in diag_test, wher...

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-2022-49721 arm64: ftrace: consistently handle PLTs.

In the Linux kernel, the following vulnerability has been resolved: arm64: ftrace: consistently handle PLTs. Sometimes it is necessary to use a PLT entry to call an ftrace trampoline. This is handled by ftracemakecall and ftracemakenop, with each having almost identical logic, but this is not...

CVE-2022-49721

CVE-2022-49721 affects the Linux kernel (arm64) ftrace. The root cause is inconsistent handling of PLT entries when calling ftrace trampolines: ftrace_modify_call() can produce out-of-range branches, causing warnings and no code change, or replace the old branch with a BRK, risking a kernel panic...