SB2024031851 - openEuler 22.03 LTS SP1 update for kernel



SB2024031851 - openEuler 22.03 LTS SP1 update for kernel

Published: March 18, 2024

Security Bulletin ID SB2024031851
Severity
Medium
Patch available
YES
Number of vulnerabilities 7
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 14% Low 86%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 7 secuirty vulnerabilities.


1) Information disclosure (CVE-ID: CVE-2023-52436)

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to the __f2fs_setxattr() function in fs/f2fs/xattr.c, does not empty by default the unused space in the xattr list. A local user can gain access to potentially sensitive information.


2) Use-after-free (CVE-ID: CVE-2023-52438)

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

The vulnerability exists due to a use-after-free error within the binder_alloc_free_page() function in drivers/android/binder_alloc.c. A local user can trigger a race condition and escalate privileges on the system.


3) 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.


4) 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.


5) Reachable Assertion (CVE-ID: CVE-2024-23850)

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

The vulnerability exists due to a reachable assertion within the btrfs_get_root_ref() function in fs/btrfs/disk-io.c. A local user can perform a denial of service (DoS) attack.


6) Out-of-bounds read (CVE-ID: CVE-2024-23851)

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

The vulnerability exists due to a boundary condition within the copy_params() function in drivers/md/dm-ioctl.c. A remote attacker can trigger an out-of-bounds read and perform a denial of service (DoS) attack.


7) Race condition (CVE-ID: CVE-2024-26583)

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

The vulnerability exists due to a race condition between async notify and socket close in TLS implementation in net/tls/tls_sw.c. A remote attacker can send specially crafted traffic to the system, trigger a race condition and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.