USN-6624-1 linux, linux-aws, linux-gcp, linux-hwe-6.5, linux-laptop, linux-lowlatency, linux-lowlatency-hwe-6.5, linux-oem-6.5, linux-oracle, linux-raspi, linux-starfive vulnerabilities

Marek Marczykowski-Górecki discovered that the Xen event channel infrastructure implementation in the Linux kernel contained a race condition. An attacker in a guest VM could possibly use this to cause a denial of service paravirtualized device unavailability. CVE-2023-34324 Zheng Wang discovered...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: iouring/afunix: disable sending iouring over sockets CVE-2023-52654 In the Linux kernel, the following vulnerability has been resolved: blk-mq: make sure active queue usage is held for biointegrityprep...

Linux 5.6 io_uring Cred Refcount Overflow Exploit

Linux versions 5.6 and above appear to suffer from a cred refcount overflow when handling approximately 39 gigabytes of memory usage via iouring. Linux =5.6: cred refcount overflow at 39 GiB memory usage via iouring see also my related prior bug reports about overflowing refcounts with lots of RA...

Linux 5.6 io_uring Cred Refcount Overflow

Linux =5.6: cred refcount overflow at 39 GiB memory usage via iouring see also my related prior bug reports about overflowing refcounts with lots of RAM usage: https://crbug.com/project-zero/809: BPF program refcount, with 32GiB RAM https://crbug.com/project-zero/1752: page-refcount via FUSE with...

CVE-2024-0582

A memory leak flaw was found in the Linux kernel’s iouring functionality in how a user registers a buffer ring with IORINGREGISTERPBUFRING, mmap it, and then frees it. This flaw allows a local user to crash or potentially escalate their privileges on the system...

DEBIAN-CVE-2024-0582

A memory leak flaw was found in the Linux kernel’s iouring functionality in how a user registers a buffer ring with IORINGREGISTERPBUFRING, mmap it, and then frees it. This flaw allows a local user to crash or potentially escalate their privileges on the system...

CVE-2024-0582

A memory leak flaw was found in the Linux kernel’s iouring functionality in how a user registers a buffer ring with IORINGREGISTERPBUFRING, mmap it, and then frees it. This flaw allows a local user to crash or potentially escalate their privileges on the system...

UBUNTU-CVE-2024-0582

A memory leak flaw was found in the Linux kernel’s iouring functionality in how a user registers a buffer ring with IORINGREGISTERPBUFRING, mmap it, and then frees it. This flaw allows a local user to crash or potentially escalate their privileges on the system...

Memory corruption

A memory leak flaw was found in the Linux kernel’s iouring functionality in how a user registers a buffer ring with IORINGREGISTERPBUFRING, mmap it, and then frees it. This flaw allows a local user to crash or potentially escalate their privileges on the system...

CVE-2024-0582 Kernel: io_uring: page use-after-free vulnerability via buffer ring mmap

A memory leak flaw was found in the Linux kernel’s iouring functionality in how a user registers a buffer ring with IORINGREGISTERPBUFRING, mmap it, and then frees it. This flaw allows a local user to crash or potentially escalate their privileges on the system...

CVE-2024-0582

The CVE-2024-0582 issue affects the Linux kernel io_uring subsystem, specifically the IORING_REGISTER_PBUF_RING path where a user registers, mmaps, and frees a buffer ring. The vulnerability is a memory leak that can be exploited by a local user to crash the system or potentially escalate privile...

CVE-2024-0582 Kernel: io_uring: page use-after-free vulnerability via buffer ring mmap

A memory leak flaw was found in the Linux kernel’s iouring functionality in how a user registers a buffer ring with IORINGREGISTERPBUFRING, mmap it, and then frees it. This flaw allows a local user to crash or potentially escalate their privileges on the system...

CVE-2024-0582

A memory leak flaw was found in the Linux kernel’s iouring functionality in how a user registers a buffer ring with IORINGREGISTERPBUFRING, mmap it, and then frees it. This flaw allows a local user to crash or potentially escalate their privileges on the system. Mitigation Mitigation for this iss...

EulerOS Virtualization 2.11.0 : kernel (EulerOS-SA-2023-2755)

According to the versions of the kernel packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : The Linux kernel before 6.2.9 has a race condition and resultant use-after-free in drivers/net/ethernet/qualcomm/emac/emac.c if a...

Debian dla-3711 : linux-config-5.10 - security update

The remote Debian 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-3711 advisory. ------------------------------------------------------------------------- Debian LTS Advisory DLA-3711-1 [email protected]...

EulerOS 2.0 SP10 : kernel (EulerOS-SA-2023-2787)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - A time-of-check to time-of-use issue exists in iouring subsystem's IORINGOPCLOSE operation in the Linux kernel's versions 5.6 - 5.11 inclusive,...

io_uring UAF Unix SCM garbage collection

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Important: kernel

Issue Overview: A race condition leading to a use-after-free issue was found in the QXL driver in the Linux kernel. CVE-2023-39198 An issue was discovered in the Linux kernel through 6.5.9. During a race with SQ thread exit, an iouring/fdinfo.c iouringshowfdinfo NULL pointer dereference can occur...

Important: kernel

Issue Overview: An issue was discovered in the Linux kernel through 6.5.9. During a race with SQ thread exit, an iouring/fdinfo.c iouringshowfdinfo NULL pointer dereference can occur. CVE-2023-46862 When a router encounters an IPv6 packet too big to transmit to the next-hop, it returns an ICMP6...

The vulnerability of the io_uring component in the Linux operating system’s kernel allows attackers to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the iouring component in the Linux operating system’s kernel is related to the reutilization of previously freed memory due to competitive access to resources in the scmfpcopy function within the net/core/scm.c module. Exploiting this vulnerability can allow an attacker to...