SB2024072121 - openEuler 22.03 LTS SP4 update for kernel
Published: July 21, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 5 secuirty vulnerabilities.
1) NULL pointer dereference (CVE-ID: CVE-2021-47618)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the obj-$() function in arch/arm/probes/kprobes/Makefile. A local user can perform a denial of service (DoS) attack.
2) Memory leak (CVE-ID: CVE-2024-38554)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the ax25_dev_device_down() function in net/ax25/ax25_dev.c. A local user can perform a denial of service (DoS) attack.
3) Improper locking (CVE-ID: CVE-2024-38582)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the nilfs_segctor_sync(), nilfs_segctor_wakeup(), nilfs_segctor_notify() and nilfs_segctor_destroy() functions in fs/nilfs2/segment.c. A local user can perform a denial of service (DoS) attack.
4) Use-after-free (CVE-ID: CVE-2024-38583)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the nilfs_segctor_start_timer(), nilfs_construct_dsync_segment(), nilfs_segctor_notify(), nilfs_segctor_thread(), nilfs_segctor_new() and nilfs_segctor_destroy() functions in fs/nilfs2/segment.c. A local user can escalate privileges on the system.
5) NULL pointer dereference (CVE-ID: CVE-2024-38625)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the ntfs_get_block_vbo() function in fs/ntfs3/inode.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.