SB2025081570 - Anolis OS update for kernel:4.18 

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Main Vulnerability Database SB2025081570

SB2025081570 - Anolis OS update for kernel:4.18

Published: August 15, 2025

Security Bulletin ID SB2025081570
Severity
Low
Patch available
YES
Number of vulnerabilities 6
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 6 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2021-47670)

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

The vulnerability exists due to a use-after-free error within the pcan_usb_fd_decode_canmsg() and pcan_usb_fd_decode_status() functions in drivers/net/can/usb/peak_usb/pcan_usb_fd.c. A local user can escalate privileges on the system.


2) Memory leak (CVE-ID: CVE-2024-56644)

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

The vulnerability exists due to memory leak within the ip6_negative_advice() function in net/ipv6/route.c. A local user can perform a denial of service (DoS) attack.


3) Use-after-free (CVE-ID: CVE-2025-21727)

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

The vulnerability exists due to a use-after-free error within the padata_free_shell() function in kernel/padata.c. A local user can escalate privileges on the system.


4) Use-after-free (CVE-ID: CVE-2025-21759)

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

The vulnerability exists due to a use-after-free error within the mld_send_cr() and igmp6_send() functions in net/ipv6/mcast.c. A local user can escalate privileges on the system.


5) Buffer overflow (CVE-ID: CVE-2025-38085)

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

The vulnerability exists due to memory corruption within the huge_pmd_unshare() function in mm/hugetlb.c. A local user can perform a denial of service (DoS) attack.


6) Out-of-bounds read (CVE-ID: CVE-2025-38159)

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

The vulnerability exists due to an out-of-bounds read error within the rtw_coex_tdma_timer_base() function in drivers/net/wireless/realtek/rtw88/coex.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References