UBUNTU-CVE-2022-49441

In the Linux kernel, the following vulnerability has been resolved: tty: fix deadlock caused by calling printk under ttyport-lock ptywrite invokes kmalloc which may invoke a normal printk to print failure message. This can cause a deadlock in the scenario reported by syz-bot below: CPU0 CPU1 CPU2...

CVE-2022-49441 tty: fix deadlock caused by calling printk() under tty_port->lock

In the Linux kernel, the following vulnerability has been resolved: tty: fix deadlock caused by calling printk under ttyport-lock ptywrite invokes kmalloc which may invoke a normal printk to print failure message. This can cause a deadlock in the scenario reported by syz-bot below: CPU0 CPU1 CPU2...

CVE-2022-49441

In the Linux kernel, the following vulnerability has been resolved: tty: fix deadlock caused by calling printk under ttyport-lock ptywrite invokes kmalloc which may invoke a normal printk to print failure message. This can cause a deadlock in the scenario reported by syz-bot below: CPU0 CPU1 CPU2...

CVE-2022-49441 tty: fix deadlock caused by calling printk() under tty_port->lock

In the Linux kernel, the following vulnerability has been resolved: tty: fix deadlock caused by calling printk under ttyport-lock ptywrite invokes kmalloc which may invoke a normal printk to print failure message. This can cause a deadlock in the scenario reported by syz-bot below: CPU0 CPU1 CPU2...

CVE-2022-49441

CVE-2022-49441 relates to a Linux kernel deadlock in tty handling. The root cause is a potential deadlock when kmalloc() path could trigger a printk() while holding tty_port->lock, enabling a cycle with console ownership locks. The described failing scenario involves multiple CPUs acquiring po...

CVE-2022-49441 tty: fix deadlock caused by calling printk() under tty_port->lock

In the Linux kernel, the following vulnerability has been resolved: tty: fix deadlock caused by calling printk under ttyport-lock ptywrite invokes kmalloc which may invoke a normal printk to print failure message. This can cause a deadlock in the scenario reported by syz-bot below: CPU0 CPU1 CPU2...

CVE-2022-49322 tracing: Fix sleeping function called from invalid context on RT kernel

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix sleeping function called from invalid context on RT kernel When setting bootparams="traceevent=initcall:initcallstart tpprintk=1" in the cmdline, the outputprintk was called, and the spinlockirqsave was called in the...

Linux kernel 安全漏洞

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 caused by a call to printk under ttyport-lock...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: USB: serial: ioedgeport: fix use after free in debug printk The line “devdbg&urb-dev-dev, …” occurs after the function usbfreeurburb. This is a use after free of the “urb” pointer. To avoid this issue, store the “dev” pointer at...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Tracing: It was determined that processstring also allows arrays. To address a common bug where TRACEEVENT’s TPfastassign assigns the address of an allocated string to the ring buffer and then references it in TPPrintk, which can...

DEBIAN-CVE-2024-57930

In the Linux kernel, the following vulnerability has been resolved: tracing: Have processstring also allow arrays In order to catch a common bug where a TRACEEVENT TPfastassign assigns an address of an allocated string to the ring buffer and then references it in TPprintk, which can be executed...

CVE-2024-50267

In the Linux kernel, the following vulnerability has been resolved: USB: serial: ioedgeport: fix use after free in debug printk The "devdbg&urb-;dev-dev, ..." which happens after usbfreeurburb is a use after free of the "urb" pointer. Store the "dev" pointer at the start of the function to avoid...

SUSE CVE-2024-50267

In the Linux kernel, the following vulnerability has been resolved: USB: serial: ioedgeport: fix use after free in debug printk The "devdbg&urb-dev-dev, ..." which happens after usbfreeurburb is a use after free of the "urb" pointer. Store the "dev" pointer at the start of the function to avoid...

AZL-53721 CVE-2024-50267 affecting package kernel for versions less than 5.15.173.1-1

In the Linux kernel, the following vulnerability has been resolved: USB: serial: ioedgeport: fix use after free in debug printk The "devdbg&urb-dev-dev, ..." which happens after usbfreeurburb is a use after free of the "urb" pointer. Store the "dev" pointer at the start of the function to avoid...

DEBIAN-CVE-2024-50267

In the Linux kernel, the following vulnerability has been resolved: USB: serial: ioedgeport: fix use after free in debug printk The "devdbg&urb-dev-dev, ..." which happens after usbfreeurburb is a use after free of the "urb" pointer. Store the "dev" pointer at the start of the function to avoid...

UBUNTU-CVE-2024-50267

In the Linux kernel, the following vulnerability has been resolved: USB: serial: ioedgeport: fix use after free in debug printk The "devdbg&urb-dev-dev, ..." which happens after usbfreeurburb is a use after free of the "urb" pointer. Store the "dev" pointer at the start of the function to avoid...

CVE-2024-50267 USB: serial: io_edgeport: fix use after free in debug printk

In the Linux kernel, the following vulnerability has been resolved: USB: serial: ioedgeport: fix use after free in debug printk The "devdbg&urb-dev-dev, ..." which happens after usbfreeurburb is a use after free of the "urb" pointer. Store the "dev" pointer at the start of the function to avoid...

CVE-2024-50267 USB: serial: io_edgeport: fix use after free in debug printk

In the Linux kernel, the following vulnerability has been resolved: USB: serial: ioedgeport: fix use after free in debug printk The "devdbg&urb-dev-dev, ..." which happens after usbfreeurburb is a use after free of the "urb" pointer. Store the "dev" pointer at the start of the function to avoid...

CVE-2024-49934 fs/inode: Prevent dump_mapping() accessing invalid dentry.d_name.name

In the Linux kernel, the following vulnerability has been resolved: fs/inode: Prevent dumpmapping accessing invalid dentry.dname.name It's observed that a crash occurs during hot-remove a memory device, in which user is accessing the hugetlb. See calltrace as following: ------------ cut here...

kernel security update

5.14.0-427.37.14.OL9 - Disable UKI signing Orabug: 36571828 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list olkmodsigningkey.pem Orabug: 29539237 - Update x509.genkey Orabug:...