SB2024060113 - NULL pointer dereference in Linux kernel memory driver
Published: June 1, 2024 Updated: May 14, 2025
Security Bulletin ID
SB2024060113
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2021-47050)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the rpcif_sw_init() function in drivers/memory/renesas-rpc-if.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/71bcc1b4a1743534d8abdcb57ff912e6bc390438
- https://git.kernel.org/stable/c/e16acc3a37f09e18835dc5d8014942c2ef6ca957
- https://git.kernel.org/stable/c/a74cb41af7dbe019e4096171f8bc641c7ce910ad
- https://git.kernel.org/stable/c/59e27d7c94aa02da039b000d33c304c179395801
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.37
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.21
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13