CVE-2025-38024

RDMA/rxe: Fix slab-use-after-free Read in rxe_queue_cleanup bug

State: Published
Severity: 7.8 High
Published: Jun 18, 2025
Updated: Aug 5, 2026
Reserved: Apr 16, 2025

Description

In the Linux kernel, the following vulnerability has been resolved:

RDMA/rxe: Fix slab-use-after-free Read in rxe_queue_cleanup bug

Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x7d/0xa0 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [inline] print_report+0xcf/0x610 mm/kasan/report.c:489 kasan_report+0xb5/0xe0 mm/kasan/report.c:602 rxe_queue_cleanup+0xd0/0xe0 drivers/infiniband/sw/rxe/rxe_queue.c:195 rxe_cq_cleanup+0x3f/0x50 drivers/infiniband/sw/rxe/rxe_cq.c:132 __rxe_cleanup+0x168/0x300 drivers/infiniband/sw/rxe/rxe_pool.c:232 rxe_create_cq+0x22e/0x3a0 drivers/infiniband/sw/rxe/rxe_verbs.c:1109 create_cq+0x658/0xb90 drivers/infiniband/core/uverbs_cmd.c:1052 ib_uverbs_create_cq+0xc7/0x120 drivers/infiniband/core/uverbs_cmd.c:1095 ib_uverbs_write+0x969/0xc90 drivers/infiniband/core/uverbs_main.c:679 vfs_write fs/read_write.c:677 [inline] vfs_write+0x26a/0xcc0 fs/read_write.c:659 ksys_write+0x1b8/0x200 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xaa/0x1b0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f

In the function rxe_create_cq, when rxe_cq_from_init fails, the function rxe_cleanup will be called to handle the allocated resources. In fact, some memory resources have already been freed in the function rxe_cq_from_init. Thus, this problem will occur.

The solution is to let rxe_cleanup do all the work.

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	Linux

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	8700e3e7c4857d28ebaa824509934556da0b3e76 to before 7c7c80c32e00665234e373ab03fe82f5c5c2c230Affected 8700e3e7c4857d28ebaa824509934556da0b3e76 to before 3a3b73e135e3bd18423d0baa72571319c7feb759Affected 8700e3e7c4857d28ebaa824509934556da0b3e76 to before f8f470e3a757425a8f98fb9a5991e3cf62fc7134Affected 8700e3e7c4857d28ebaa824509934556da0b3e76 to before 52daccfc3fa68ee1902d52124921453d7a335591Affected 8700e3e7c4857d28ebaa824509934556da0b3e76 to before ee4c5a2a38596d548566560c0c022ab797e6f71aAffected 8700e3e7c4857d28ebaa824509934556da0b3e76 to before 336edd6b0f5b7fbffc3e065285610624f59e88dfAffected 8700e3e7c4857d28ebaa824509934556da0b3e76 to before 16c45ced0b3839d3eee72a86bb172bef6cf58980Affected 8700e3e7c4857d28ebaa824509934556da0b3e76 to before f81b33582f9339d2dc17c69b92040d3650bb4baeAffected
LinuxLinux	4.8Affected before 4.8Not affected 5.4.294 through 5.4.Not affected 5.10.238 through 5.10.Not affected 5.15.184 through 5.15.Not affected 6.1.140 through 6.1.Not affected 6.6.92 through 6.6.Not affected 6.12.30 through 6.12.Not affected 6.14.8 through 6.14.*Not affected 6.15 and laterNot affected

Product

Versions

LinuxLinux

8700e3e7c4857d28ebaa824509934556da0b3e76 to before 7c7c80c32e00665234e373ab03fe82f5c5c2c230Affected
8700e3e7c4857d28ebaa824509934556da0b3e76 to before 3a3b73e135e3bd18423d0baa72571319c7feb759Affected
8700e3e7c4857d28ebaa824509934556da0b3e76 to before f8f470e3a757425a8f98fb9a5991e3cf62fc7134Affected
8700e3e7c4857d28ebaa824509934556da0b3e76 to before 52daccfc3fa68ee1902d52124921453d7a335591Affected
8700e3e7c4857d28ebaa824509934556da0b3e76 to before ee4c5a2a38596d548566560c0c022ab797e6f71aAffected
8700e3e7c4857d28ebaa824509934556da0b3e76 to before 336edd6b0f5b7fbffc3e065285610624f59e88dfAffected
8700e3e7c4857d28ebaa824509934556da0b3e76 to before 16c45ced0b3839d3eee72a86bb172bef6cf58980Affected
8700e3e7c4857d28ebaa824509934556da0b3e76 to before f81b33582f9339d2dc17c69b92040d3650bb4baeAffected

LinuxLinux

4.8Affected
before 4.8Not affected
5.4.294 through 5.4.*Not affected
5.10.238 through 5.10.*Not affected
5.15.184 through 5.15.*Not affected
6.1.140 through 6.1.*Not affected
6.6.92 through 6.6.*Not affected
6.12.30 through 6.12.*Not affected
6.14.8 through 6.14.*Not affected
6.15 and laterNot affected

References

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