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CVE-2018-13405

Status Candidate

Overview

The inode_init_owner function in fs/inode.c in the Linux kernel through 3.16 allows local users to create files with an unintended group ownership, in a scenario where a directory is SGID to a certain group and is writable by a user who is not a member of that group. Here, the non-member can trigger creation of a plain file whose group ownership is that group. The intended behavior was that the non-member can trigger creation of a directory (but not a plain file) whose group ownership is that group. The non-member can escalate privileges by making the plain file executable and SGID.

Related Files

Red Hat Security Advisory 2019-4159-01
Posted Dec 10, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-4159-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a use-after-free vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2017-1000112, CVE-2017-7184, CVE-2018-1068, CVE-2018-13405, CVE-2018-18559, CVE-2018-9568, CVE-2019-5489
SHA-256 | c4d981a6d20c3b68f13754d69107ef1f2830d0614b7c688281421d5b6b20e939
Red Hat Security Advisory 2019-4164-01
Posted Dec 10, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-4164-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. A memory corruption vulnerability has been addressed.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2018-13405, CVE-2018-9568, CVE-2019-5489
SHA-256 | 91519ff4618b7b7d50ce1f5d8672671837793fa98d4644544e21b95a0e6e4a25
Red Hat Security Advisory 2019-2730-01
Posted Sep 11, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-2730-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include null pointer and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2018-13405, CVE-2018-16871, CVE-2018-16884, CVE-2018-9568, CVE-2019-1125
SHA-256 | 14466803f23bea4b8da1ff507c00f5333e7f34713818019ed14181efa127aede
Red Hat Security Advisory 2019-2696-01
Posted Sep 10, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-2696-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include null pointer and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2018-13405, CVE-2018-16871, CVE-2018-16884, CVE-2018-9568, CVE-2019-1125
SHA-256 | 7e971321d6bb97c7de65382116733b6743e5b1c1c680bcd123a840762f2edb8b
Red Hat Security Advisory 2019-2566-01
Posted Aug 27, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-2566-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. An issue was addressed where a missing check in fs/inode.c:inode_init_owner() did not clear SGID bit on non-directories for non-members.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2018-13405
SHA-256 | 786a2c0ea2c94bed1720aef805cb107fa37919901ca1dadc573cec6a373647f1
Red Hat Security Advisory 2019-2476-01
Posted Aug 14, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-2476-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2018-13405, CVE-2019-1125
SHA-256 | e438f37b384caa96d7b5009df8cf5294017b341ff557ab4490e46edc54408227
Red Hat Security Advisory 2019-0717-01
Posted Apr 9, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-0717-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a null pointer vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2018-13405
SHA-256 | a4f8639913133a9e5a3b49c0e305de7187d81634df35dc9ed850f227ad777364
Red Hat Security Advisory 2018-3083-01
Posted Oct 31, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-3083-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include buffer overflow, denial of service, information leakage, null pointer, and use-after-free vulnerabilities.

tags | advisory, denial of service, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2015-8830, CVE-2016-4913, CVE-2017-0861, CVE-2017-10661, CVE-2017-17805, CVE-2017-18208, CVE-2017-18232, CVE-2017-18344, CVE-2018-1000026, CVE-2018-10322, CVE-2018-10878, CVE-2018-10879, CVE-2018-10881, CVE-2018-10883, CVE-2018-10902, CVE-2018-1092, CVE-2018-1094, CVE-2018-10940, CVE-2018-1118, CVE-2018-1120, CVE-2018-1130, CVE-2018-13405, CVE-2018-5344, CVE-2018-5391, CVE-2018-5803, CVE-2018-5848, CVE-2018-7740
SHA-256 | 51bb55b468c741de6d34c15b15988a77197b07fcb781827141ad9999e1700fdc
Red Hat Security Advisory 2018-3096-01
Posted Oct 31, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-3096-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include buffer overflow, denial of service, information leakage, null pointer, and use-after-free vulnerabilities.

tags | advisory, denial of service, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2015-8830, CVE-2016-4913, CVE-2017-0861, CVE-2017-10661, CVE-2017-17805, CVE-2017-18208, CVE-2017-18232, CVE-2017-18344, CVE-2018-1000026, CVE-2018-10322, CVE-2018-10878, CVE-2018-10879, CVE-2018-10881, CVE-2018-10883, CVE-2018-10902, CVE-2018-1092, CVE-2018-1094, CVE-2018-10940, CVE-2018-1118, CVE-2018-1120, CVE-2018-1130, CVE-2018-13405, CVE-2018-5344, CVE-2018-5391, CVE-2018-5803, CVE-2018-5848, CVE-2018-7740
SHA-256 | 7f59a96ea0227aec7452145ed2d1a67c0ed1e187e5b7fdd0814bef1fa260bd64
Kernel Live Patch Security Notice LSN-0043-1
Posted Sep 11, 2018
Authored by Benjamin M. Romer

Piotr Gabriel Kosinski and Daniel Shapira discovered a stack-based buffer overflow in the CDROM driver implementation of the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. Jann Horn discovered that the ext4 filesystem implementation in the Linux kernel did not properly keep xattr information consistent in some situations. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash) or possibly execute arbitrary code. Various other issues have also been addressed.

tags | advisory, denial of service, overflow, arbitrary, kernel, local
systems | linux
advisories | CVE-2018-11412, CVE-2018-11506, CVE-2018-12233, CVE-2018-13405, CVE-2018-13406
SHA-256 | 0b4cb189d586aa4429e71fb9b98e664320f3da97740056519640d0e0b2c10d5f
Ubuntu Security Notice USN-3752-3
Posted Aug 29, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3752-3 - It was discovered that, when attempting to handle an out-of-memory situation, a null pointer dereference could be triggered in the Linux kernel in some circumstances. A local attacker could use this to cause a denial of service. Wen Xu discovered that the XFS filesystem implementation in the Linux kernel did not properly validate meta-data information. An attacker could use this to construct a malicious xfs image that, when mounted, could cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2018-1000200, CVE-2018-1000204, CVE-2018-10323, CVE-2018-10840, CVE-2018-10881, CVE-2018-1093, CVE-2018-1108, CVE-2018-1120, CVE-2018-11412, CVE-2018-11506, CVE-2018-12232, CVE-2018-12233, CVE-2018-12904, CVE-2018-13094, CVE-2018-13405, CVE-2018-13406, CVE-2018-5814, CVE-2018-9415
SHA-256 | df405822058b07d43330a4315ada3e76a4b71ec3918d891cc128c577470eaa65
Ubuntu Security Notice USN-3753-1
Posted Aug 24, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3753-1 - It was discovered that the generic SCSI driver in the Linux kernel did not properly enforce permissions on kernel memory access. A local attacker could use this to expose sensitive information or possibly elevate privileges. Wen Xu discovered that a use-after-free vulnerability existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2017-13168, CVE-2018-10877, CVE-2018-10879, CVE-2018-10881, CVE-2018-12233, CVE-2018-13094, CVE-2018-13405, CVE-2018-13406
SHA-256 | 3b5999edf5c35c0584e8865b66aa44b922ddb9316d7b6d183227244d71e1bad5
Ubuntu Security Notice USN-3752-2
Posted Aug 24, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3752-2 - USN-3752-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 18.04 LTS for Ubuntu 16.04 LTS. It was discovered that, when attempting to handle an out-of-memory situation, a null pointer dereference could be triggered in the Linux kernel in some circumstances. A local attacker could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2018-1000200, CVE-2018-1000204, CVE-2018-10323, CVE-2018-10840, CVE-2018-10881, CVE-2018-1093, CVE-2018-1108, CVE-2018-1120, CVE-2018-11412, CVE-2018-11506, CVE-2018-12232, CVE-2018-12233, CVE-2018-12904, CVE-2018-13094, CVE-2018-13405, CVE-2018-13406, CVE-2018-5814, CVE-2018-9415
SHA-256 | f7a708d43dc8fc39287ba0870edf14e6d0ec3a7b3c72bc9ee988c9562a349836
Ubuntu Security Notice USN-3752-1
Posted Aug 24, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3752-1 - It was discovered that, when attempting to handle an out-of-memory situation, a null pointer dereference could be triggered in the Linux kernel in some circumstances. A local attacker could use this to cause a denial of service. Wen Xu discovered that the XFS filesystem implementation in the Linux kernel did not properly validate meta-data information. An attacker could use this to construct a malicious xfs image that, when mounted, could cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2018-1000200, CVE-2018-1000204, CVE-2018-10323, CVE-2018-10840, CVE-2018-10881, CVE-2018-1093, CVE-2018-1108, CVE-2018-1120, CVE-2018-11412, CVE-2018-11506, CVE-2018-12232, CVE-2018-12233, CVE-2018-12904, CVE-2018-13094, CVE-2018-13405, CVE-2018-13406, CVE-2018-5814, CVE-2018-9415
SHA-256 | c7a9f122697774982780879f9c8d3a59d9eae1e54b93440f77d25f92ab601153
Ubuntu Security Notice USN-3753-2
Posted Aug 24, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3753-2 - USN-3753-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. It was discovered that the generic SCSI driver in the Linux kernel did not properly enforce permissions on kernel memory access. A local attacker could use this to expose sensitive information or possibly elevate privileges. Various other issues were also addressed.

tags | advisory, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2017-13168, CVE-2018-10877, CVE-2018-10879, CVE-2018-10881, CVE-2018-12233, CVE-2018-13094, CVE-2018-13405, CVE-2018-13406
SHA-256 | fe4421f7945a10e6dd7e5bd30b13a6cf37b09ea82bfdd6804ae6286a78061b1c
Kernel Live Patch Security Notice LSN-0041-1
Posted Aug 10, 2018
Authored by Benjamin M. Romer

The sr_do_ioctl function in drivers/scsi/sr_ioctl.c in the Linux kernel through 4.16.12 allows local users to cause a denial of service (stack-based buffer overflow) or possibly have unspecified other impact because sense buffers have different sizes at the CDROM layer and the SCSI layer, as demonstrated by a CDROMREADMODE2 ioctl call. Wen Xu discovered that the ext4 file system implementation in the Linux kernel did not properly initialize the crc32c checksum driver. A local attacker could use this to cause a denial of service (system crash). Various other issues were also addressed.

tags | advisory, denial of service, overflow, kernel, local
systems | linux
advisories | CVE-2018-1094, CVE-2018-11506, CVE-2018-13094, CVE-2018-13405, CVE-2018-5390
SHA-256 | 6d29a3871da9b808e2bd7ade9a1b925586a3080e72b541f756696fbbcbc48d00
Debian Security Advisory 4266-1
Posted Aug 7, 2018
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4266-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation or denial of service.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, debian
advisories | CVE-2018-13405, CVE-2018-5390
SHA-256 | 38af5d41aa6c1e71caaa3fe031e27ee4f6fbdbe16a84eef4744a9bc1774ce5e6
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