SB2023071151 - SUSE update for the Linux Kernel

Description

This security bulletin contains information about 7 secuirty vulnerabilities.

1) Use-after-free (CVE-ID: CVE-2023-1829)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the tcindex_delete() function. A local user can trigger a use-after-free error and execute arbitrary code with root privileges.

2) Out-of-bounds write (CVE-ID: CVE-2023-3090)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within the ipvlan network driver in Linux kernel. A local user can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

3) Use-after-free (CVE-ID: CVE-2023-3111)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the prepare_to_relocate() function in fs/btrfs/relocation.c in btrfs in the Linux Kernel. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.

4) NULL pointer dereference (CVE-ID: CVE-2023-3212)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the gfs2 file system in the Linux kernel. A local user can perform a denial of service (DoS) attack.

5) NULL pointer dereference (CVE-ID: CVE-2023-3357)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the Linux kernel AMD Sensor Fusion Hub driver. A local user can perform a denial of service (DoS) attack.

6) NULL pointer dereference (CVE-ID: CVE-2023-3358)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the Linux kernel's Integrated Sensor Hub (ISH) driver. A local user and perform a denial of service (DoS) attack.

7) Use-after-free (CVE-ID: CVE-2023-3389)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error in the Linux Kernel io_uring subsystem. A local user can exploit a race condition and execute arbitrary code with elevated privileges.

Remediation

Install update from vendor's website.

References

• https://www.suse.com/support/update/announcement/2023/suse-su-20232803-1/