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Ubuntu Security Notice USN-5729-1

Ubuntu Security Notice 5729-1 - It was discovered that a race condition existed in the instruction emulator of the Linux kernel on Arm 64-bit systems. A local attacker could use this to cause a denial of service. Hsin-Wei Hung discovered that the BPF subsystem in the Linux kernel contained an out-of-bounds read vulnerability in the x86 JIT compiler. A local attacker could possibly use this to cause a denial of service or expose sensitive information.

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=========================================================================Ubuntu Security Notice USN-5729-1November 17, 2022linux, linux-aws, linux-aws-5.15, linux-azure, linux-azure-5.15,linux-gcp, linux-gke, linux-gkeop, linux-hwe-5.15, linux-ibm, linux-kvm,linux-lowlatency, linux-lowlatency-hwe-5.15, linux-oracle,linux-oracle-5.15 vulnerabilities=========================================================================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-aws-5.15: Linux kernel for Amazon Web Services (AWS) systems- linux-azure-5.15: Linux kernel for Microsoft Azure cloud systems- linux-hwe-5.15: Linux hardware enablement (HWE) kernel- linux-lowlatency-hwe-5.15: Linux low latency kernel- linux-oracle-5.15: Linux kernel for Oracle Cloud systemsDetails:It was discovered that a race condition existed in the instruction emulatorof the Linux kernel on Arm 64-bit systems. A local attacker could use thisto cause a denial of service (system crash). (CVE-2022-20422)Hsin-Wei Hung discovered that the BPF subsystem in the Linux kernelcontained an out-of-bounds read vulnerability in the x86 JIT compiler. Alocal attacker could possibly use this to cause a denial of service (systemcrash) or expose sensitive information (kernel memory). (CVE-2022-2905)Hao Sun and Jiacheng Xu discovered that the NILFS file systemimplementation in the Linux kernel contained a use-after-freevulnerability. A local attacker could use this to cause a denial of service(system crash) or possibly execute arbitrary code. (CVE-2022-2978)Abhishek Shah discovered a race condition in the PF_KEYv2 implementation inthe Linux kernel. A local attacker could use this to cause a denial ofservice (system crash) or possibly expose sensitive information (kernelmemory). (CVE-2022-3028)It was discovered that the Netlink device interface implementation in theLinux kernel did not properly handle certain error conditions, leading to ause-after-free vulnerability with some network device drivers. A localattacker with admin access to the network device could use this to cause adenial of service (system crash) or possibly execute arbitrary code.(CVE-2022-3625)It was discovered that the IDT 77252 ATM PCI device driver in the Linuxkernel did not properly remove any pending timers during device exit,resulting in a use-after-free vulnerability. A local attacker couldpossibly use this to cause a denial of service (system crash) or executearbitrary code. (CVE-2022-3635)Gwangun Jung discovered that the netfilter subsystem in the Linux kerneldid not properly prevent binding to an already bound chain. A localattacker could use this to cause a denial of service (system crash).(CVE-2022-39190)Xingyuan Mo and Gengjia Chen discovered that the Promise SuperTrak EXstorage controller driver in the Linux kernel did not properly handlecertain structures. A local attacker could potentially use this to exposesensitive information (kernel memory). (CVE-2022-40768)Update instructions:The problem can be corrected by updating your system to the followingpackage versions:Ubuntu 22.04 LTS:  linux-image-5.15.0-1008-gkeop   5.15.0-1008.12  linux-image-5.15.0-1018-ibm     5.15.0-1018.21  linux-image-5.15.0-1020-gke     5.15.0-1020.25  linux-image-5.15.0-1021-kvm     5.15.0-1021.26  linux-image-5.15.0-1022-gcp     5.15.0-1022.29  linux-image-5.15.0-1022-oracle  5.15.0-1022.28  linux-image-5.15.0-1023-aws     5.15.0-1023.27  linux-image-5.15.0-1023-azure   5.15.0-1023.29  linux-image-5.15.0-53-generic   5.15.0-53.59  linux-image-5.15.0-53-generic-64k  5.15.0-53.59  linux-image-5.15.0-53-generic-lpae  5.15.0-53.59  linux-image-5.15.0-53-lowlatency  5.15.0-53.59  linux-image-5.15.0-53-lowlatency-64k  5.15.0-53.59  linux-image-aws                 5.15.0.1023.23  linux-image-aws-lts-22.04       5.15.0.1023.23  linux-image-azure               5.15.0.1023.22  linux-image-azure-lts-22.04     5.15.0.1023.22  linux-image-gcp                 5.15.0.1022.19  linux-image-generic             5.15.0.53.53  linux-image-generic-64k         5.15.0.53.53  linux-image-generic-64k-hwe-22.04  5.15.0.53.53  linux-image-generic-hwe-22.04   5.15.0.53.53  linux-image-generic-lpae        5.15.0.53.53  linux-image-generic-lpae-hwe-22.04  5.15.0.53.53  linux-image-gke                 5.15.0.1020.21  linux-image-gke-5.15            5.15.0.1020.21  linux-image-gkeop               5.15.0.1008.9  linux-image-gkeop-5.15          5.15.0.1008.9  linux-image-ibm                 5.15.0.1018.16  linux-image-kvm                 5.15.0.1021.19  linux-image-lowlatency          5.15.0.53.48  linux-image-lowlatency-64k      5.15.0.53.48  linux-image-lowlatency-64k-hwe-22.04  5.15.0.53.48  linux-image-lowlatency-hwe-22.04  5.15.0.53.48  linux-image-oem-20.04           5.15.0.53.53  linux-image-oracle              5.15.0.1022.19  linux-image-virtual             5.15.0.53.53  linux-image-virtual-hwe-22.04   5.15.0.53.53Ubuntu 20.04 LTS:  linux-image-5.15.0-1022-oracle  5.15.0-1022.28~20.04.1  linux-image-5.15.0-1023-aws     5.15.0-1023.27~20.04.1  linux-image-5.15.0-1023-azure   5.15.0-1023.29~20.04.1  linux-image-5.15.0-53-generic   5.15.0-53.59~20.04.1  linux-image-5.15.0-53-generic-64k  5.15.0-53.59~20.04.1  linux-image-5.15.0-53-generic-lpae  5.15.0-53.59~20.04.1  linux-image-5.15.0-53-lowlatency  5.15.0-53.59~20.04.1  linux-image-5.15.0-53-lowlatency-64k  5.15.0-53.59~20.04.1  linux-image-aws                 5.15.0.1023.27~20.04.15  linux-image-azure               5.15.0.1023.29~20.04.16  linux-image-generic-64k-hwe-20.04  5.15.0.53.59~20.04.21  linux-image-generic-hwe-20.04   5.15.0.53.59~20.04.21  linux-image-generic-lpae-hwe-20.04  5.15.0.53.59~20.04.21  linux-image-lowlatency-64k-hwe-20.04  5.15.0.53.59~20.04.19  linux-image-lowlatency-hwe-20.04  5.15.0.53.59~20.04.19  linux-image-oracle              5.15.0.1022.28~20.04.1  linux-image-virtual-hwe-20.04   5.15.0.53.59~20.04.21After 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-5729-1  CVE-2022-20422, CVE-2022-2905, CVE-2022-2978, CVE-2022-3028,  CVE-2022-3625, CVE-2022-3635, CVE-2022-39190, CVE-2022-40768Package Information:  https://launchpad.net/ubuntu/+source/linux/5.15.0-53.59  https://launchpad.net/ubuntu/+source/linux-aws/5.15.0-1023.27  https://launchpad.net/ubuntu/+source/linux-azure/5.15.0-1023.29  https://launchpad.net/ubuntu/+source/linux-gcp/5.15.0-1022.29  https://launchpad.net/ubuntu/+source/linux-gke/5.15.0-1020.25  https://launchpad.net/ubuntu/+source/linux-gkeop/5.15.0-1008.12  https://launchpad.net/ubuntu/+source/linux-ibm/5.15.0-1018.21  https://launchpad.net/ubuntu/+source/linux-kvm/5.15.0-1021.26  https://launchpad.net/ubuntu/+source/linux-lowlatency/5.15.0-53.59  https://launchpad.net/ubuntu/+source/linux-oracle/5.15.0-1022.28  https://launchpad.net/ubuntu/+source/linux-aws-5.15/5.15.0-1023.27~20.04.1  https://launchpad.net/ubuntu/+source/linux-azure-5.15/5.15.0-1023.29~20.04.1  https://launchpad.net/ubuntu/+source/linux-hwe-5.15/5.15.0-53.59~20.04.1  https://launchpad.net/ubuntu/+source/linux-lowlatency-hwe-5.15/5.15.0-53.59~20.04.1  https://launchpad.net/ubuntu/+source/linux-oracle-5.15/5.15.0-1022.28~20.04.1

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OpenHarmony-v3.1.2 and prior versions, 3.0.6 and prior versions have an Out-of-bound memory read and write vulnerability in /dev/mmz_userdev device driver. The impact depends on the privileges of the attacker. The unprivileged process run on the device could read out-of-bound memory leading sensitive to information disclosure. The processes with system user UID run on the device would be able to write out-of-bound memory which could lead to unspecified memory corruption.

CVE-2022-41686: en/security-disclosure/2022/2022-10.md · OpenHarmony/security - Gitee.com

OpenHarmony-v3.1.2 and prior versions, 3.0.6 and prior versions have an Out-of-bound memory read and write vulnerability in /dev/mmz_userdev device driver. The impact depends on the privileges of the attacker. The unprivileged process run on the device could read out-of-bound memory leading sensitive to information disclosure. The processes with system user UID run on the device would be able to write out-of-bound memory which could lead to unspecified memory corruption.

CVE-2021-0696: Android Security Bulletin—October 2022  |  Android Open Source Project

In dllist_remove_node of TBD, there is a possible use after free bug due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android SoCAndroid ID: A-242344778

Ubuntu Security Notice USN-5650-1

Ubuntu Security Notice 5650-1 - It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that the virtual terminal driver in the Linux kernel did not properly handle VGA console font changes, leading to an out-of-bounds write. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

Ubuntu Security Notice USN-5650-1

Ubuntu Security Notice 5650-1 - It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that the virtual terminal driver in the Linux kernel did not properly handle VGA console font changes, leading to an out-of-bounds write. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

CVE-2022-40768: git/torvalds/linux.git - Linux kernel source tree

drivers/scsi/stex.c in the Linux kernel through 5.19.9 allows local users to obtain sensitive information from kernel memory because stex_queuecommand_lck lacks a memset for the PASSTHRU_CMD case.

CVE-2022-2905: Invalid Bug ID

An out-of-bounds memory read flaw was found in the Linux kernel's BPF subsystem in how a user calls the bpf_tail_call function with a key larger than the max_entries of the map. This flaw allows a local user to gain unauthorized access to data.

CVE-2022-39190: netfilter: nf_tables: disallow binding to already bound chain · torvalds/linux@e02f0d3

An issue was discovered in net/netfilter/nf_tables_api.c in the Linux kernel before 5.19.6. A denial of service can occur upon binding to an already bound chain.

CVE-2022-3028: af_key: Do not call xfrm_probe_algs in parallel · torvalds/linux@ba953a9

A race condition was found in the Linux kernel's IP framework for transforming packets (XFRM subsystem) when multiple calls to xfrm_probe_algs occurred simultaneously. This flaw could allow a local attacker to potentially trigger an out-of-bounds write or leak kernel heap memory by performing an out-of-bounds read and copying it into a socket.

CVE-2022-2978: fix UAF/GPF bug in nilfs_mdt_destroy

A flaw use after free in the Linux kernel NILFS file system was found in the way user triggers function security_inode_alloc to fail with following call to function nilfs_mdt_destroy. A local user could use this flaw to crash the system or potentially escalate their privileges on the system.

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