CVEvulnerability
CVE-2021-47616
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2024-06-19
- Last modified
- 2026-08-04
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-416
Description
In the Linux kernel, the following vulnerability has been resolved:
RDMA: Fix use-after-free in rxe_queue_cleanup
On error handling path in rxe_qp_from_init() qp->sq.queue is freed and
then rxe_create_qp() will drop last reference to this object. qp clean up
function will try to free this queue one time and it causes UAF bug.
Fix it by zeroing queue pointer after freeing queue in rxe_qp_from_init().
Affected configurations
• linux linux kernel (>= 5.15 < 5.15.10)
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://git.kernel.org/stable/c/84b01721e8042cdd1e8ffeb648844a09cd4213e0 Patch
- https://git.kernel.org/stable/c/acb53e47db1fbc7cd37ab10b46388f045a76e383 Patch
- https://git.kernel.org/stable/c/84b01721e8042cdd1e8ffeb648844a09cd4213e0 Patch
- https://git.kernel.org/stable/c/acb53e47db1fbc7cd37ab10b46388f045a76e383 Patch