Linux kernel security vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a system crash when an incorrect pointer is allocated from automatically freed memory...

CLSA-2024-1716981167 Fix of 17 CVEs

CVE-url: https://ubuntu.com/security/CVE-2022-48673 - net/smc: Fix possible access to freed memory in link clear CVE-url: https://ubuntu.com/security/CVE-2024-35997 - HID: i2c-hid: remove I2CHIDREADPENDING flag to prevent lock-up CVE-url: https://ubuntu.com/security/CVE-2023-52752 - smb: client:...

F5 Nginx 安全漏洞

NGINX is an HTTP and reverse proxy server, email proxy server and general purpose TCP/UDP proxy server. An information disclosure vulnerability exists in F5 NGINX Plus and NGINX Open Source, which can be exploited by an unauthenticated, remote attacker to gain access to previously freed memory...

PT-2024-9313

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to a use-after-free vulnerability in the cachefiles component of the Linux kernel. This vulnerability can be exploited to potentially elevate privileges. The...

DEBIAN-CVE-2021-47557

In the Linux kernel, the following vulnerability has been resolved: net/sched: schets: don't peek at classes beyond 'nbands' when the number of DRR classes decreases, the round-robin active list can contain elements that have already been freed in etsqdiscchange. As a consequence, it's possible t...

CVE-2021-47510

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix re-dirty process of tree-log nodes There is a report of a transaction abort of -EAGAIN with the following script. !/bin/sh for d in sda sdb; do mkfs.btrfs -d single -m single -f /dev/$d done mount /dev/sda /mnt/test...

UBUNTU-CVE-2021-47565

In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Fix kernel panic during drive powercycle test While looping over shost's sdev list it is possible that one of the drives is getting removed and its sastarget object is freed but its sdev object remains intact...

The vulnerability of the PuTTY encryption protection mechanism, related to the access to free memory cells, allows a hacker to cause a service failure.

The vulnerability of the PuTTY encryption method is related to the access to cells in the freed memory. Exploiting this vulnerability can allow a malicious actor, operating remotely, to cause a service disconnection using the SSH1MSGDISCONNECT message...

SUSE CVE-2023-52879

In the Linux kernel, the following vulnerability has been resolved: tracing: Have traceeventfile have ref counters The following can crash the kernel: cd /sys/kernel/tracing echo 'p:sched schedule' kprobeevents exec 5events/kprobes/sched/enable kprobeevents exec 5&- The above commands: 1. Change...

kernel: scsi: qedi: Fix use after free bug in qedi_remove()

A use-after-free vulnerability was found in the Linux kernel's QLogic qedi iSCSI driver. When the driver is removed via qediremove, the SCSI host structure may be freed while recoverywork or boarddisablework are still running. The work handlers then access the freed qedi-shost structure, causing ...

PT-2024-27287 · Lighttpd · Lighttpd

Name of the Vulnerable Software and Affected Versions: lighttpd versions prior to 1.4.51 Description: A condition exists whereby a remote attacker can craft an http request which could result in multiple outcomes: 1. cause lighttpd to access freed memory in which case the process lighttpd is...

CVE-2023-52707

In the Linux kernel, the following vulnerability has been resolved: sched/psi: Fix use-after-free in epremovewaitqueue If a non-root cgroup gets removed when there is a thread that registered trigger and is polling on a pressure file within the cgroup, the polling waitqueue gets freed in the...

UBUNTU-CVE-2023-52879

In the Linux kernel, the following vulnerability has been resolved: tracing: Have traceeventfile have ref counters The following can crash the kernel: cd /sys/kernel/tracing echo 'p:sched schedule' kprobeevents exec 5events/kprobes/sched/enable kprobeevents exec 5&- The above commands: 1. Change...

DEBIAN-CVE-2021-47283

In the Linux kernel, the following vulnerability has been resolved: net:sfc: fix non-freed irq in legacy irq mode SFC driver can be configured via modparam to work using MSI-X, MSI or legacy IRQ interrupts. In the last one, the interrupt was not properly released on module remove. It was not free...

CVE-2021-47283

In the Linux kernel, the following vulnerability has been resolved: net:sfc: fix non-freed irq in legacy irq mode SFC driver can be configured via modparam to work using MSI-X, MSI or legacy IRQ interrupts. In the last one, the interrupt was not properly released on module remove. It was not free...

CVE-2020-36788

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: avoid a use-after-free when BO init fails nouveauboinit is backed by ttmboinit and ferries its return code back to the caller. On failures, ttmboinit invokes the provided destructor which should de-initialize and fre...

DEBIAN-CVE-2020-36788

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: avoid a use-after-free when BO init fails nouveauboinit is backed by ttmboinit and ferries its return code back to the caller. On failures, ttmboinit invokes the provided destructor which should de-initialize and fre...

CVE-2020-36788

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: avoid a use-after-free when BO init fails nouveauboinit is backed by ttmboinit and ferries its return code back to the caller. On failures, ttmboinit invokes the provided destructor which should de-initialize and fre...

UBUNTU-CVE-2020-36788

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: avoid a use-after-free when BO init fails nouveauboinit is backed by ttmboinit and ferries its return code back to the caller. On failures, ttmboinit invokes the provided destructor which should de-initialize and fre...

CVE-2020-36788 drm/nouveau: avoid a use-after-free when BO init fails

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: avoid a use-after-free when BO init fails nouveauboinit is backed by ttmboinit and ferries its return code back to the caller. On failures, ttmboinit invokes the provided destructor which should de-initialize and fre...