SB2024060821 - Buffer overflow in Linux kernel hw qib driver
Published: June 8, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024060821
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2021-47485)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the qib_user_sdma_num_pages(), qib_user_sdma_free_pkt_frag(), qib_user_sdma_pin_pkt() and qib_user_sdma_queue_pkts() functions in drivers/infiniband/hw/qib/qib_user_sdma.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/bda41654b6e0c125a624ca35d6d20beb8015b5d0
- https://git.kernel.org/stable/c/3f57c3f67fd93b4da86aeffea1ca32c484d054ad
- https://git.kernel.org/stable/c/60833707b968d5ae02a75edb7886dcd4a957cf0d
- https://git.kernel.org/stable/c/73d2892148aa4397a885b4f4afcfc5b27a325c42
- https://git.kernel.org/stable/c/0f8cdfff06829a0b0348b6debc29ff6a61967724
- https://git.kernel.org/stable/c/c3e17e58f571f34c51aeb17274ed02c2ed5cf780
- https://git.kernel.org/stable/c/0d4395477741608d123dad51def9fe50b7ebe952
- https://git.kernel.org/stable/c/d39bf40e55e666b5905fdbd46a0dced030ce87be
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.255
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.216
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.292
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.290
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.77
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.157