New major Linux kernel update for Debian 9 Stretch fixes at least 18 security flaws

Debian 10

The Debian Project released a new update for the Linux kernel from Debian 9 Stretch which fixes several recently discovered vulnerabilities.

Affecting the long-term supported series, Linux Kernel 4.9, used in the Debian 9 Stretch distribution, there is a total of 18 security vulnerabilities patched in this update, which have been discovered in the main Linux Kernel channel and could lead to information leakage, privilege escalation and denial of services.

Vulnerabilities found include memory leak in irda_bin function, error in irda_setsockopt function in Linux Kernel subsystem, error in Floppy driver function fd_locked_ioctl, a buffer overflow in the Bluetooth HIDP implementation and a bug in the rawmidi driver.

Errors were also found in the F2FS implementation of the Kernel, one in the HFS implementation and another memory overflow error in the chap_server_compute_md5 () function. The patch also fixed a bug in the InfiniBand communications manager and a variant of the Specter V2 vulnerability called SpecterRSB.

Update your Debian 9 Stretch system

The developers behind Debian invite all users to upgrade their operating system to the Linux Kernel version 4.9.110-3 + deb9u5 available right now in the main archives. All you have to do to update is enter the terminal and run the code: sudo apt-get update && sudo apt-get full-upgrade.

After the update, you have to restart for the changes to take effect. You can find all the changes of this new version in the email sent by the Debian team.


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  1.   luix said

    I put debian aside since I adopted (yuck) systemd ..