SB20240531163 - Use-after-free in Linux kernel sw rxe driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531163
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) Use-after-free (CVE-ID: CVE-2021-47078)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the rxe_qp_init_req(), rxe_qp_init_resp() and rxe_qp_from_init() functions in drivers/infiniband/sw/rxe/rxe_qp.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/c65391dd9f0a47617e96e38bd27e277cbe1c40b0
- https://git.kernel.org/stable/c/6a8086a42dfbf548a42bf2ae4faa291645c72c66
- https://git.kernel.org/stable/c/f3783c415bf6d2ead3d7aa2c38802bbe10723646
- https://git.kernel.org/stable/c/a62225d951d77eb20208fed8fc199e0c9b1df08b
- https://git.kernel.org/stable/c/2ee4d79c364914989c80de382c0b1a7259a7e4b3
- https://git.kernel.org/stable/c/03344e843ab6dd3b3f2cadfb65ed910590856c70
- https://git.kernel.org/stable/c/67f29896fdc83298eed5a6576ff8f9873f709228
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.234
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.192
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.270
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.40
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.122