var-201911-1414
Vulnerability from variot
A memory leak in the adis_update_scan_mode_burst() function in drivers/iio/imu/adis_buffer.c in the Linux kernel before 5.3.9 allows attackers to cause a denial of service (memory consumption), aka CID-9c0530e898f3. Linux Kernel Contains a resource exhaustion vulnerability. Vendors have confirmed this vulnerability CID-9c0530e898f3 It is released as.Service operation interruption (DoS) There is a possibility of being put into a state. ========================================================================== Ubuntu Security Notice USN-4904-1 April 13, 2021
linux, linux-aws, linux-kvm, linux-lts-xenial, linux-raspi2, linux-snapdragon vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 LTS
- Ubuntu 14.04 ESM
Summary:
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-kvm: Linux kernel for cloud environments - linux-raspi2: Linux kernel for Raspberry Pi (V8) systems - linux-snapdragon: Linux kernel for Qualcomm Snapdragon processors - linux-lts-xenial: Linux hardware enablement kernel from Xenial for Trusty
Details:
Ben Harris discovered that the Linux kernel would strip extended privilege attributes of files when performing a failed unprivileged system call. A local attacker could use this to cause a denial of service. (CVE-2015-1350)
Andrey Konovalov discovered that the video4linux driver for Hauppauge HD PVR USB devices in the Linux kernel did not properly handle some error conditions. A physically proximate attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-16644)
It was discovered that the timer stats implementation in the Linux kernel allowed the discovery of a real PID value while inside a PID namespace. A local attacker could use this to expose sensitive information. (CVE-2017-5967)
Wen Xu discovered that the xfs file system implementation in the Linux kernel did not properly validate the number of extents in an inode. An attacker could use this to construct a malicious xfs image that, when mounted, could cause a denial of service (system crash). (CVE-2018-13095)
It was discovered that the Fujitsu ES network device driver for the Linux kernel did not properly check for errors in some situations, leading to a NULL pointer dereference. A local attacker could use this to cause a denial of service. (CVE-2019-16231)
It was discovered that the Marvell 8xxx Libertas WLAN device driver in the Linux kernel did not properly check for errors in certain situations, leading to a NULL pointer dereference. A local attacker could possibly use this to cause a denial of service. (CVE-2019-16232)
It was discovered that the ADIS16400 IIO IMU Driver for the Linux kernel did not properly deallocate memory in certain error conditions. (CVE-2019-19061)
It was discovered that a race condition existed in the floppy device driver in the Linux kernel. An attacker with access to the floppy device could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-20261)
Olivier Benjamin, Norbert Manthey, Martin Mazein, and Jan H. Sch\xf6nherr discovered that the Xen paravirtualization bckend in the Linux kernel did not properly propagate errors to frontend drivers in some situations. An attacker in a guest VM could possibly use this to cause a denial of service (host domain crash). (CVE-2021-26930)
Jan Beulich discovered that multiple Xen backends in the Linux kernel did not properly handle certain error conditions under paravirtualization. An attacker in a guest VM could possibly use this to cause a denial of service (host domain crash). (CVE-2021-26931)
Jan Beulich discovered that the Xen netback backend in the Linux kernel did not properly handle certain error conditions under paravirtualization. An attacker in a guest VM could possibly use this to cause a denial of service (host domain crash). (CVE-2021-28038)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 16.04 LTS: linux-image-4.4.0-1091-kvm 4.4.0-1091.100 linux-image-4.4.0-1126-aws 4.4.0-1126.140 linux-image-4.4.0-1150-raspi2 4.4.0-1150.161 linux-image-4.4.0-1154-snapdragon 4.4.0-1154.164 linux-image-4.4.0-208-generic 4.4.0-208.240 linux-image-4.4.0-208-generic-lpae 4.4.0-208.240 linux-image-4.4.0-208-lowlatency 4.4.0-208.240 linux-image-4.4.0-208-powerpc-e500mc 4.4.0-208.240 linux-image-4.4.0-208-powerpc-smp 4.4.0-208.240 linux-image-4.4.0-208-powerpc64-emb 4.4.0-208.240 linux-image-4.4.0-208-powerpc64-smp 4.4.0-208.240 linux-image-aws 4.4.0.1126.131 linux-image-generic 4.4.0.208.214 linux-image-generic-lpae 4.4.0.208.214 linux-image-kvm 4.4.0.1091.89 linux-image-lowlatency 4.4.0.208.214 linux-image-powerpc-e500mc 4.4.0.208.214 linux-image-powerpc-smp 4.4.0.208.214 linux-image-powerpc64-emb 4.4.0.208.214 linux-image-powerpc64-smp 4.4.0.208.214 linux-image-raspi2 4.4.0.1150.150 linux-image-snapdragon 4.4.0.1154.146 linux-image-virtual 4.4.0.208.214
Ubuntu 14.04 ESM: linux-image-4.4.0-1090-aws 4.4.0-1090.94 linux-image-4.4.0-208-generic 4.4.0-208.240~14.04.1 linux-image-4.4.0-208-generic-lpae 4.4.0-208.240~14.04.1 linux-image-4.4.0-208-lowlatency 4.4.0-208.240~14.04.1 linux-image-aws 4.4.0.1090.87 linux-image-generic-lpae-lts-xenial 4.4.0.208.181 linux-image-generic-lts-xenial 4.4.0.208.181 linux-image-lowlatency-lts-xenial 4.4.0.208.181 linux-image-virtual-lts-xenial 4.4.0.208.181
After a standard system update you need to reboot your computer to make all the necessary changes.
ATTENTION: Due to an unavoidable ABI change the kernel updates have been given a new version number, which requires you to recompile and reinstall 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 perform this as well.
References: https://ubuntu.com/security/notices/USN-4904-1 CVE-2015-1350, CVE-2017-16644, CVE-2017-5967, CVE-2018-13095, CVE-2019-16231, CVE-2019-16232, CVE-2019-19061, CVE-2021-20261, CVE-2021-26930, CVE-2021-26931, CVE-2021-28038
Package Information: https://launchpad.net/ubuntu/+source/linux/4.4.0-208.240 https://launchpad.net/ubuntu/+source/linux-aws/4.4.0-1126.140 https://launchpad.net/ubuntu/+source/linux-kvm/4.4.0-1091.100 https://launchpad.net/ubuntu/+source/linux-raspi2/4.4.0-1150.161 https://launchpad.net/ubuntu/+source/linux-snapdragon/4.4.0-1154.164
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Linux Kernel Contains a resource exhaustion vulnerability. Vendors have confirmed this vulnerability CID-9c0530e898f3 It is released as.Service operation interruption (DoS) There is a possibility of being put into a state. ==========================================================================\nUbuntu Security Notice USN-4904-1\nApril 13, 2021\n\nlinux, linux-aws, linux-kvm, linux-lts-xenial, linux-raspi2,\nlinux-snapdragon vulnerabilities\n==========================================================================\n\nA security issue affects these releases of Ubuntu and its derivatives:\n\n- Ubuntu 16.04 LTS\n- Ubuntu 14.04 ESM\n\nSummary:\n\nSeveral security issues were fixed in the Linux kernel. \n\nSoftware Description:\n- linux: Linux kernel\n- linux-aws: Linux kernel for Amazon Web Services (AWS) systems\n- linux-kvm: Linux kernel for cloud environments\n- linux-raspi2: Linux kernel for Raspberry Pi (V8) systems\n- linux-snapdragon: Linux kernel for Qualcomm Snapdragon processors\n- linux-lts-xenial: Linux hardware enablement kernel from Xenial for Trusty\n\nDetails:\n\nBen Harris discovered that the Linux kernel would strip extended privilege\nattributes of files when performing a failed unprivileged system call. A\nlocal attacker could use this to cause a denial of service. (CVE-2015-1350)\n\nAndrey Konovalov discovered that the video4linux driver for Hauppauge HD\nPVR USB devices in the Linux kernel did not properly handle some error\nconditions. A physically proximate attacker could use this to cause a\ndenial of service (system crash) or possibly execute arbitrary code. \n(CVE-2017-16644)\n\nIt was discovered that the timer stats implementation in the Linux kernel\nallowed the discovery of a real PID value while inside a PID namespace. A\nlocal attacker could use this to expose sensitive information. \n(CVE-2017-5967)\n\nWen Xu discovered that the xfs file system implementation in the Linux\nkernel did not properly validate the number of extents in an inode. An\nattacker could use this to construct a malicious xfs image that, when\nmounted, could cause a denial of service (system crash). (CVE-2018-13095)\n\nIt was discovered that the Fujitsu ES network device driver for the Linux\nkernel did not properly check for errors in some situations, leading to a\nNULL pointer dereference. A local attacker could use this to cause a denial\nof service. (CVE-2019-16231)\n\nIt was discovered that the Marvell 8xxx Libertas WLAN device driver in the\nLinux kernel did not properly check for errors in certain situations,\nleading to a NULL pointer dereference. A local attacker could possibly use\nthis to cause a denial of service. (CVE-2019-16232)\n\nIt was discovered that the ADIS16400 IIO IMU Driver for the Linux kernel\ndid not properly deallocate memory in certain error conditions. \n(CVE-2019-19061)\n\nIt was discovered that a race condition existed in the floppy device driver\nin the Linux kernel. An attacker with access to the floppy device could use\nthis to cause a denial of service (system crash) or possibly execute\narbitrary code. (CVE-2021-20261)\n\nOlivier Benjamin, Norbert Manthey, Martin Mazein, and Jan H. Sch\\xf6nherr\ndiscovered that the Xen paravirtualization bckend in the Linux kernel did\nnot properly propagate errors to frontend drivers in some situations. An\nattacker in a guest VM could possibly use this to cause a denial of service\n(host domain crash). (CVE-2021-26930)\n\nJan Beulich discovered that multiple Xen backends in the Linux kernel did\nnot properly handle certain error conditions under paravirtualization. An\nattacker in a guest VM could possibly use this to cause a denial of service\n(host domain crash). (CVE-2021-26931)\n\nJan Beulich discovered that the Xen netback backend in the Linux kernel did\nnot properly handle certain error conditions under paravirtualization. An\nattacker in a guest VM could possibly use this to cause a denial of service\n(host domain crash). (CVE-2021-28038)\n\nUpdate instructions:\n\nThe problem can be corrected by updating your system to the following\npackage versions:\n\nUbuntu 16.04 LTS:\n linux-image-4.4.0-1091-kvm 4.4.0-1091.100\n linux-image-4.4.0-1126-aws 4.4.0-1126.140\n linux-image-4.4.0-1150-raspi2 4.4.0-1150.161\n linux-image-4.4.0-1154-snapdragon 4.4.0-1154.164\n linux-image-4.4.0-208-generic 4.4.0-208.240\n linux-image-4.4.0-208-generic-lpae 4.4.0-208.240\n linux-image-4.4.0-208-lowlatency 4.4.0-208.240\n linux-image-4.4.0-208-powerpc-e500mc 4.4.0-208.240\n linux-image-4.4.0-208-powerpc-smp 4.4.0-208.240\n linux-image-4.4.0-208-powerpc64-emb 4.4.0-208.240\n linux-image-4.4.0-208-powerpc64-smp 4.4.0-208.240\n linux-image-aws 4.4.0.1126.131\n linux-image-generic 4.4.0.208.214\n linux-image-generic-lpae 4.4.0.208.214\n linux-image-kvm 4.4.0.1091.89\n linux-image-lowlatency 4.4.0.208.214\n linux-image-powerpc-e500mc 4.4.0.208.214\n linux-image-powerpc-smp 4.4.0.208.214\n linux-image-powerpc64-emb 4.4.0.208.214\n 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Sightings
Author | Source | Type | Date |
---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.