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 deadlock condition in the wifi:mt76:mt7921s component during chip recovery that could cause a task to hang...

CVE-2024-39476 md/raid5: fix deadlock that raid5d() wait for itself to clear MD_SB_CHANGE_PENDING

In the Linux kernel, the following vulnerability has been resolved: md/raid5: fix deadlock that raid5d wait for itself to clear MDSBCHANGEPENDING Xiao reported that lvm2 test lvconvert-raid-takeover.sh can hang with small possibility, the root cause is exactly the same as commit bed9e27baf52...

CVE-2024-39476

The CVE-2024-39476 entry describes a Linux kernel md/raid5 deadlock scenario affecting raid5d where a deadlock can occur when MD_SB_CHANGE_PENDING is not cleared promptly. Root cause, as stated, is a dependency chain: md_check_recovery() from raid5d() must hold reconfig_mutex to clear MD_SB_CHANG...

CVE-2024-39476 md/raid5: fix deadlock that raid5d() wait for itself to clear MD_SB_CHANGE_PENDING

In the Linux kernel, the following vulnerability has been resolved: md/raid5: fix deadlock that raid5d wait for itself to clear MDSBCHANGEPENDING Xiao reported that lvm2 test lvconvert-raid-takeover.sh can hang with small possibility, the root cause is exactly the same as commit bed9e27baf52...

Sharp MFP Security Vulnerability

Sharp MFP is a series of multifunction printers from Sharp Japan. A security vulnerability exists in Sharp MFP that originates from an out-of-bounds memory reference, and certain device web pages may cause the device to hang...

iperf3: possible denial of service

A flaw was found in iperf, a utility for testing network performance using TCP, UDP, and SCTP. A malicious or malfunctioning client can send less than the expected amount of data to the iperf server, which can cause the server to hang indefinitely waiting for the remainder or until the connection...

qemu-kvm bug fix update

An update is available for qemu-kvm. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Kernel-based Virtual Machine KVM is a full virtualization solution for Linux...

DEBIAN-CVE-2024-39469

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix nilfsemptydir misjudgment and long loop on I/O errors The error handling in nilfsemptydir when a directory folio/page read fails is incorrect, as in the old ext2 implementation, and if the folio/page cannot be read or...

UBUNTU-CVE-2024-39469

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix nilfsemptydir misjudgment and long loop on I/O errors The error handling in nilfsemptydir when a directory folio/page read fails is incorrect, as in the old ext2 implementation, and if the folio/page cannot be read or...

Medium: iperf3

Issue Overview: It is possible for a malicious or malfunctioning client to send less than the expected amount of data to the server. If this happens, the server will hang indefinitely waiting for the remainder or until the connection gets closed. Because iperf3 is deliberately designed to service...

Medium: iperf3

Issue Overview: It is possible for a malicious or malfunctioning client to send less than the expected amount of data to the server. If this happens, the server will hang indefinitely waiting for the remainder or until the connection gets closed. Because iperf3 is deliberately designed to service...

Amazon Linux 2 : iperf3 (ALAS-2024-2579)

The version of iperf3 installed on the remote host is prior to 3.1.7-2. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2024-2579 advisory. It is possible for a malicious or malfunctioning client to send lessthan the expected amount of data to the server. If this happens,...

CVE-2024-38582

A flaw was found in the Linux kernel. A potential hang in nilfsdetachlogwriter may lead to compromised availability...

CVE-2022-48760

In the Linux kernel, the following vulnerability has been resolved: USB: core: Fix hang in usbkillurb by adding memory barriers The syzbot fuzzer has identified a bug in which processes hang waiting for usbkillurb to return. It turns out the issue is not unlinking the URB; that works just fine...

CVE-2022-48760 USB: core: Fix hang in usb_kill_urb by adding memory barriers

In the Linux kernel, the following vulnerability has been resolved: USB: core: Fix hang in usbkillurb by adding memory barriers The syzbot fuzzer has identified a bug in which processes hang waiting for usbkillurb to return. It turns out the issue is not unlinking the URB; that works just fine...

CVE-2022-48760

The CVE-2022-48760 entry concerns a Linux kernel USB subsystem hang in usb_kill_urb() caused by memory-access ordering issues (SB pattern) between usb_kill_urb() and __usb_hcd_giveback_urb() on SMP systems. The vulnerability is fixed by adding memory barriers, specifically using the smp_mb__after...

CVE-2022-48760

In the Linux kernel, the following vulnerability has been resolved: USB: core: Fix hang in usbkillurb by adding memory barriers The syzbot fuzzer has identified a bug in which processes hang waiting for usbkillurb to return. It turns out the issue is not unlinking the URB; that works just fine...

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 originates from the USB:core module fixing a hang in usbkillurb by adding a memory barrier...

CVE-2024-38582

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix potential hang in nilfsdetachlogwriter Syzbot has reported a potential hang in nilfsdetachlogwriter called during nilfs2 unmount. Analysis revealed that this is because nilfssegctorsync, which synchronizes with the lo...

CVE-2024-38582

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix potential hang in nilfsdetachlogwriter Syzbot has reported a potential hang in nilfsdetachlogwriter called during nilfs2 unmount. Analysis revealed that this is because nilfssegctorsync, which synchronizes with the lo...