SB2024031554 - openEuler 20.03 LTS SP1 update for kernel

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Use-after-free (CVE-ID: CVE-2023-52439)

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

The vulnerability exists due to a use-after-free error within the uio_open() function in drivers/uio/uio.c. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.

2) Stack-based buffer overflow (CVE-ID: CVE-2024-1151)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in the Open vSwitch sub-component in the Linux Kernel. A remote unauthenticated attacker can send specially crafted packets to the system. trigger a stack-based buffer overflow and perform a denial of service (DoS) attack.

3) NULL pointer dereference (CVE-ID: CVE-2024-22099)

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 rfcomm_check_security() function in /net/bluetooth/rfcomm/core.c. A local user can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

• https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-1281