Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel vulnerabilities (USN-6311-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6311-1 advisory. William Zhao discovered that the Traffic Control TC subsystem in the Linux kernel did not properly handle network packet retransmission in...

USN-6311-1: Linux kernel vulnerabilities

William Zhao discovered that the Traffic Control TC subsystem in the Linux kernel did not properly handle network packet retransmission in certain situations. A local attacker could use this to cause a denial of service kernel deadlock. CVE-2022-4269 It was discovered that the NTFS file system...

USN-6309-1 linux, linux-aws, linux-lts-xenial vulnerabilities

Zheng Zhang discovered that the device-mapper implementation in the Linux kernel did not properly handle locking during tableclear operations. A local attacker could use this to cause a denial of service kernel deadlock. CVE-2023-2269 It was discovered that a use-after-free vulnerability existed ...

USN-6283-1: Linux kernel vulnerabilities

Ruihan Li discovered that the bluetooth subsystem in the Linux kernel did not properly perform permissions checks when handling HCI sockets. A physically proximate attacker could use this to cause a denial of service bluetooth communication. CVE-2023-2002 Zheng Zhang discovered that the...

EulerOS Virtualization 3.0.6.6 : device-mapper-multipath (EulerOS-SA-2023-2420)

According to the versions of the device-mapper-multipath packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - multipath-tools 0.7.0 through 0.9.x before 0.9.2 allows local users to obtain root access, as exploited alone or...

Huawei EulerOS: Security Advisory for device-mapper-multipath (EulerOS-SA-2023-2420)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Important: kernel

Issue Overview: A flaw was found in the x86 KVM subsystem in kvmstealtimesetpreempted in arch/x86/kvm/x86.c in the Linux kernel. Unprivileged guest users can compromise the guest kernel because TLB flush operations are mishandled in certain KVMVCPUPREEMPTED situations. CVE-2022-39189 In the Linux...

Updated kernel packages fix security vulnerabilities

This kernel update is based on upstream 5.15.117 and fixes atleast the following security issues: In the Linux kernel through 6.2.7, fs/ntfs3/inode.c has an invalid kfree because it does not validate MFT flags before replaying logs CVE-2022-48425. An out-of-bounds memory access flaw was found in...

USN-6173-1: Linux kernel (OEM) vulnerabilities

Gwangun Jung discovered that the Quick Fair Queueing scheduler implementation in the Linux kernel contained an out-of-bounds write vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2023-31436 It was discovered that the...

EulerOS Virtualization 3.0.6.0 : device-mapper-multipath (EulerOS-SA-2023-2218)

According to the versions of the device-mapper-multipath packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - multipath-tools 0.7.7 through 0.9.x before 0.9.2 allows local users to obtain root access, as exploited in...

Huawei EulerOS: Security Advisory for device-mapper-multipath (EulerOS-SA-2023-2218)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

EulerOS 2.0 SP5 : device-mapper-multipath (EulerOS-SA-2023-2140)

According to the versions of the device-mapper-multipath packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - multipath-tools 0.7.0 through 0.9.x before 0.9.2 allows local users to obtain root access, as exploited alone or in conjunction...

Huawei EulerOS: Security Advisory for device-mapper-multipath (EulerOS-SA-2023-2140)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Important: kernel

Issue Overview: A denial of service problem was found, due to a possible recursive locking scenario, resulting in a deadlock in tableclear in drivers/md/dm-ioctl.c in the Linux Kernel Device Mapper-Multipathing sub-component. CVE-2023-2269 In the Linux kernel through 6.3.1, a use-after-free in...

Oracle Linux 8 : device-mapper-multipath (ELSA-2023-2948)

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2023-2948 advisory. 0.8.4-37 - Fix bugzilla linked to the changes was previously linked to the wrong bug, 2162537 - Resolves: bz 2166468 0.8.4-36 - Add...

device-mapper-multipath security and bug fix update

0.8.4-37 - Fix bugzilla linked to the changes was previously linked to the wrong bug, 2162537 - Resolves: bz 2166468 0.8.4-36 - Add 0129-libmultipath-select-resize-action-even-if-reload-is-.patch - Add 0130-libmultipath-cleanup-ACTCREATE-code-in-selectactio.patch - Add...

kernel: dm thin: Fix UAF in run_timer_softirq()

In the Linux kernel, the following vulnerability has been resolved: dm thin: Fix UAF in runtimersoftirq When dmresume and dmdestroy are concurrent, it will lead to UAF, as follows: BUG: KASAN: use-after-free in runtimers+0x173/0x710 Write of size 8 at addr ffff88816d9490f0 by task swapper/0/0 Cal...

kernel: dm thin: Use last transaction's pmd->root when commit failed

A metadata handling flaw was found in the Linux kernel device-mapper thin provisioning driver. After a failed metadata commit, the in-memory root pointer could reference a mixed set of fresh and stale tree nodes. Subsequent lookups may loop or stall. A local user could use this flaw to cause the...

kernel: dm integrity: Fix UAF in dm_integrity_dtr()

A use-after-free vulnerability was found in the Linux kernel's device mapper integrity subsystem. When dmresume and dmdestroy execute concurrently, a timer may fire and access freed memory because dmintegritydtr did not properly cancel the timer before freeing resources. The fix adds an additiona...

kernel: dm thin: Fix ABBA deadlock between shrink_slab and dm_pool_abort_metadata

An ABBA deadlock flaw was found in the Linux kernel's device-mapper thin provisioning subsystem between the memory reclaim path and metadata abort handling. A local user can trigger this issue by initiating cache drop operations while dm-thin operations are active, causing process P1 to hold...