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Ubuntu Security Notice USN-5692-1

Ubuntu Security Notice 5692-1 - David Bouman and Billy Jheng Bing Jhong discovered that a race condition existed in the io_uring subsystem in the Linux kernel, leading to a use- after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Soenke Huster discovered that an integer overflow vulnerability existed in the WiFi driver stack in the Linux kernel, leading to a buffer overflow. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code.

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==========================================================================Ubuntu Security Notice USN-5692-1October 19, 2022linux, linux-aws, linux-aws-5.15, linux-azure, linux-azure-5.15,linux-gcp, linux-gcp-5.15, linux-gke, linux-gke-5.15, linux-gkeop,linux-hwe-5.15, linux-ibm, linux-kvm, linux-lowlatency,linux-lowlatency-hwe-5.15, linux-oem-5.14, linux-oracle, linux-raspivulnerabilities==========================================================================A security issue affects these releases of Ubuntu and its derivatives:- Ubuntu 22.04 LTS- Ubuntu 20.04 LTSSummary:Several security issues were fixed in the Linux kernel.Software Description:- linux: Linux kernel- linux-aws: Linux kernel for Amazon Web Services (AWS) systems- linux-azure: Linux kernel for Microsoft Azure Cloud systems- linux-gcp: Linux kernel for Google Cloud Platform (GCP) systems- linux-gke: Linux kernel for Google Container Engine (GKE) systems- linux-gkeop: Linux kernel for Google Container Engine (GKE) systems- linux-ibm: Linux kernel for IBM cloud systems- linux-kvm: Linux kernel for cloud environments- linux-lowlatency: Linux low latency kernel- linux-oracle: Linux kernel for Oracle Cloud systems- linux-raspi: Linux kernel for Raspberry Pi systems- linux-aws-5.15: Linux kernel for Amazon Web Services (AWS) systems- linux-azure-5.15: Linux kernel for Microsoft Azure cloud systems- linux-gcp-5.15: Linux kernel for Google Cloud Platform (GCP) systems- linux-gke-5.15: Linux kernel for Google Container Engine (GKE) systems- linux-hwe-5.15: Linux hardware enablement (HWE) kernel- linux-lowlatency-hwe-5.15: Linux low latency kernel- linux-oem-5.14: Linux kernel for OEM systemsDetails:David Bouman and Billy Jheng Bing Jhong discovered that a race conditionexisted in the io_uring subsystem in the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denialof service (system crash) or possibly execute arbitrary code.(CVE-2022-2602)Sönke Huster discovered that an integer overflow vulnerability existed inthe WiFi driver stack in the Linux kernel, leading to a buffer overflow. Aphysically proximate attacker could use this to cause a denial of service(system crash) or possibly execute arbitrary code. (CVE-2022-41674)Sönke Huster discovered that a use-after-free vulnerability existed in theWiFi driver stack in the Linux kernel. A physically proximate attackercould use this to cause a denial of service (system crash) or possiblyexecute arbitrary code. (CVE-2022-42719)Sönke Huster discovered that the WiFi driver stack in the Linux kernel didnot properly perform reference counting in some situations, leading to ause-after-free vulnerability. A physically proximate attacker could usethis to cause a denial of service (system crash) or possibly executearbitrary code. (CVE-2022-42720)Sönke Huster discovered that the WiFi driver stack in the Linux kernel didnot properly handle BSSID/SSID lists in some situations. A physicallyproximate attacker could use this to cause a denial of service (infiniteloop). (CVE-2022-42721)Sönke Huster discovered that the WiFi driver stack in the Linux kernelcontained a NULL pointer dereference vulnerability in certain situations. Aphysically proximate attacker could use this to cause a denial of service(system crash). (CVE-2022-42722)Update instructions:The problem can be corrected by updating your system to the followingpackage versions:Ubuntu 22.04 LTS:   linux-image-5.15.0-1007-gkeop   5.15.0-1007.10   linux-image-5.15.0-1017-ibm     5.15.0-1017.20   linux-image-5.15.0-1017-raspi   5.15.0-1017.19   linux-image-5.15.0-1017-raspi-nolpae  5.15.0-1017.19   linux-image-5.15.0-1019-gke     5.15.0-1019.23   linux-image-5.15.0-1020-kvm     5.15.0-1020.24   linux-image-5.15.0-1021-gcp     5.15.0-1021.28   linux-image-5.15.0-1021-oracle  5.15.0-1021.27   linux-image-5.15.0-1022-aws     5.15.0-1022.26   linux-image-5.15.0-1022-azure   5.15.0-1022.27   linux-image-5.15.0-52-generic   5.15.0-52.58   linux-image-5.15.0-52-generic-64k  5.15.0-52.58   linux-image-5.15.0-52-generic-lpae  5.15.0-52.58   linux-image-5.15.0-52-lowlatency  5.15.0-52.58   linux-image-5.15.0-52-lowlatency-64k  5.15.0-52.58   linux-image-aws                 5.15.0.1022.22   linux-image-aws-lts-22.04       5.15.0.1022.22   linux-image-azure               5.15.0.1022.21   linux-image-azure-lts-22.04     5.15.0.1022.21   linux-image-gcp                 5.15.0.1021.18   linux-image-generic             5.15.0.52.52   linux-image-generic-64k         5.15.0.52.52   linux-image-generic-64k-hwe-22.04  5.15.0.52.52   linux-image-generic-hwe-22.04   5.15.0.52.52   linux-image-generic-lpae        5.15.0.52.52   linux-image-generic-lpae-hwe-22.04  5.15.0.52.52   linux-image-gke                 5.15.0.1019.20   linux-image-gke-5.15            5.15.0.1019.20   linux-image-gkeop               5.15.0.1007.8   linux-image-gkeop-5.15          5.15.0.1007.8   linux-image-ibm                 5.15.0.1017.15   linux-image-kvm                 5.15.0.1020.18   linux-image-lowlatency          5.15.0.52.47   linux-image-lowlatency-64k      5.15.0.52.47   linux-image-lowlatency-64k-hwe-22.04  5.15.0.52.47   linux-image-lowlatency-hwe-22.04  5.15.0.52.47   linux-image-oracle              5.15.0.1021.18   linux-image-raspi               5.15.0.1017.16   linux-image-raspi-nolpae        5.15.0.1017.16   linux-image-virtual             5.15.0.52.52   linux-image-virtual-hwe-22.04   5.15.0.52.52Ubuntu 20.04 LTS:   linux-image-5.14.0-1054-oem     5.14.0-1054.61   linux-image-5.15.0-1019-gke     5.15.0-1019.23~20.04.1   linux-image-5.15.0-1021-gcp     5.15.0-1021.28~20.04.1   linux-image-5.15.0-1022-aws     5.15.0-1022.26~20.04.1   linux-image-5.15.0-1022-azure   5.15.0-1022.27~20.04.1   linux-image-5.15.0-52-generic   5.15.0-52.58~20.04.1   linux-image-5.15.0-52-generic-64k  5.15.0-52.58~20.04.1   linux-image-5.15.0-52-generic-lpae  5.15.0-52.58~20.04.1   linux-image-5.15.0-52-lowlatency  5.15.0-52.58~20.04.1   linux-image-5.15.0-52-lowlatency-64k  5.15.0-52.58~20.04.1   linux-image-aws                 5.15.0.1022.26~20.04.14   linux-image-azure               5.15.0.1022.27~20.04.15   linux-image-gcp                 5.15.0.1021.28~20.04.1   linux-image-generic-64k-hwe-20.04  5.15.0.52.58~20.04.20   linux-image-generic-hwe-20.04   5.15.0.52.58~20.04.20   linux-image-generic-lpae-hwe-20.04  5.15.0.52.58~20.04.20   linux-image-gke-5.15            5.15.0.1019.23~20.04.1   linux-image-lowlatency-64k-hwe-20.04  5.15.0.52.58~20.04.18   linux-image-lowlatency-hwe-20.04  5.15.0.52.58~20.04.18   linux-image-oem-20.04           5.14.0.1054.52   linux-image-oem-20.04b          5.14.0.1054.52   linux-image-oem-20.04c          5.14.0.1054.52   linux-image-oem-20.04d          5.14.0.1054.52   linux-image-virtual-hwe-20.04   5.15.0.52.58~20.04.20After a standard system update you need to reboot your computer to makeall the necessary changes.ATTENTION: Due to an unavoidable ABI change the kernel updates havebeen given a new version number, which requires you to recompile andreinstall all third party kernel modules you might have installed.Unless you manually uninstalled the standard kernel metapackages(e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual,linux-powerpc), a standard system upgrade will automatically performthis as well.References:   https://ubuntu.com/security/notices/USN-5692-1   CVE-2022-2602, CVE-2022-41674, CVE-2022-42719, CVE-2022-42720,   CVE-2022-42721, CVE-2022-42722Package Information:   https://launchpad.net/ubuntu/+source/linux/5.15.0-52.58   https://launchpad.net/ubuntu/+source/linux-aws/5.15.0-1022.26   https://launchpad.net/ubuntu/+source/linux-azure/5.15.0-1022.27   https://launchpad.net/ubuntu/+source/linux-gcp/5.15.0-1021.28   https://launchpad.net/ubuntu/+source/linux-gke/5.15.0-1019.23   https://launchpad.net/ubuntu/+source/linux-gkeop/5.15.0-1007.10   https://launchpad.net/ubuntu/+source/linux-ibm/5.15.0-1017.20   https://launchpad.net/ubuntu/+source/linux-kvm/5.15.0-1020.24   https://launchpad.net/ubuntu/+source/linux-lowlatency/5.15.0-52.58   https://launchpad.net/ubuntu/+source/linux-oracle/5.15.0-1021.27   https://launchpad.net/ubuntu/+source/linux-raspi/5.15.0-1017.19   https://launchpad.net/ubuntu/+source/linux-aws-5.15/5.15.0-1022.26~20.04.1   https://launchpad.net/ubuntu/+source/linux-azure-5.15/5.15.0-1022.27~20.04.1   https://launchpad.net/ubuntu/+source/linux-gcp-5.15/5.15.0-1021.28~20.04.1   https://launchpad.net/ubuntu/+source/linux-gke-5.15/5.15.0-1019.23~20.04.1   https://launchpad.net/ubuntu/+source/linux-hwe-5.15/5.15.0-52.58~20.04.1 https://launchpad.net/ubuntu/+source/linux-lowlatency-hwe-5.15/5.15.0-52.58~20.04.1   https://launchpad.net/ubuntu/+source/linux-oem-5.14/5.14.0-1054.61

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