SB2023120642 - Ubuntu update for linux-gcp
Published: December 6, 2023 Updated: February 27, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 11 secuirty vulnerabilities.
1) Division by zero (CVE-ID: CVE-2023-31085)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a divide by zero error within the drivers/mtd/ubi/cdev.c driver. A local user can perform a denial of service (DoS) attack.
2) Out-of-bounds read (CVE-ID: CVE-2023-39189)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary condition within the nfnl_osf_add_callback() function in Linux kernel Netfilter. A local user with CAP_NET_ADMIN capability can trigger an out-of-bounds read error and execute arbitrary code with elevated privileges.
3) Use-after-free (CVE-ID: CVE-2023-4244)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the Linux kernel netfilter: nf_tables component. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.
4) NULL pointer dereference (CVE-ID: CVE-2023-42754)
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 ipv4_send_dest_unreach() function in net/ipv4/route.c. A local user with CAP_NET_ADMIN permissions can perform a denial of service (DoS) attack.
5) Use-after-free (CVE-ID: CVE-2023-45898)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error in fs/ext4/extents_status.c. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.
6) Improper handling of exceptional conditions (CVE-ID: CVE-2023-5090)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper handling of errors within the svm_set_x2apic_msr_interception() function in KVM. A local user can send specially crafted input and perform a denial of service (DoS) attack.
7) Input validation error (CVE-ID: CVE-2023-5158)
The vulnerability allows a malicious guest to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input within the vringh_kiov_advance() function in drivers/vhost/vringh.c in the host side of a virtio ring. A malicious guest can crash the host OS via zero length descriptor.
8) Use-after-free (CVE-ID: CVE-2023-5178)
The vulnerability allows a local authenticated user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the drivers/nvme/target/tcp.c in nvmet_tcp_free_crypto due to a logical bug in the NVMe-oF/TCP subsystem in the Linux kernel. A local authenticated user can trigger a use-after-free error and escalate privileges on the system.
9) Use-after-free (CVE-ID: CVE-2023-5345)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the smb3_fs_context_parse_param() function in fs/smb/client component. A remote attacker can execute arbitrary code with elevated privileges.
10) Use-after-free (CVE-ID: CVE-2023-5633)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error when running inside a VMware guest with 3D acceleration enabled. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.
11) Out-of-bounds write (CVE-ID: CVE-2023-5717)
The vulnerability local user to escalate privileges on the system.
The vulnerability exists due to a boundary error in the Linux kernel's Linux Kernel Performance Events (perf) component. A local user can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.
Remediation
Install update from vendor's website.