RDMA/rxe: Fix slab-use-after-free Read in rxe_queue_cleanup bug
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 30 fixed, 1 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 4.8 and later | 5.4.294, 5.10.238, 5.15.184, 6.1.140, 6.6.92, 6.12.30, 6.14.8, 6.15 | Patch available | CNA |
- Linux VendorLinux Affected 4.8 and later Fixed in 5.4.294, 5.10.238, 5.15.184, 6.1.140, 6.6.92, 6.12.30, 6.14.8, 6.15 Patch available CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 4.8 to before 5.4.294; 5.5 to before 5.10.238; 5.11 to before 5.15.184; 5.16 to before 6.1.140; 6.2 to before 6.6.92; 6.7 to before 6.12.30; 6.13 to before 6.14.8 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.15:rc1:*:*:*:*:*:* | 6.15 rc1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.15:rc2:*:*:*:*:*:* | 6.15 rc2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.15:rc3:*:*:*:*:*:* | 6.15 rc3 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.15:rc4:*:*:*:*:*:* | 6.15 rc4 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.15:rc5:*:*:*:*:*:* | 6.15 rc5 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.15:rc6:*:*:*:*:*:* | 6.15 rc6 | Vulnerable | Linux |
| cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* | 11.0 | Vulnerable | Debian |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 4.8 to before 5.4.294; 5.5 to before 5.10.238; 5.11 to before 5.15.184; 5.16 to before 6.1.140; 6.2 to before 6.6.92; 6.7 to before 6.12.30; 6.13 to before 6.14.8 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.15:rc1:*:*:*:*:*:* Versions 6.15 rc1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.15:rc2:*:*:*:*:*:* Versions 6.15 rc2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.15:rc3:*:*:*:*:*:* Versions 6.15 rc3 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.15:rc4:*:*:*:*:*:* Versions 6.15 rc4 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.15:rc5:*:*:*:*:*:* Versions 6.15 rc5 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.15:rc6:*:*:*:*:*:* Versions 6.15 rc6 Vulnerable ·Linux
- cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Debian
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.4.294, 5.10.238, 5.15.184, 6.1.140, 6.6.92, 6.12.30, 6.14.8, 6.15
Red Hat 11 advisories
- RHSA-2026:19521 Released 2026-05-20 · Red Hat rating Importantkernel security update
- Red Hat Enterprise Linux BaseOS E4S (v.8.8) bpftool-4.18.0-477.143.1.el8_8, kernel-4.18.0-477.143.1.el8_8, kernel-abi-stablelists-4.18.0-477.143.1.el8_8 +14
- Red Hat Enterprise Linux BaseOS TUS (v.8.8) bpftool-4.18.0-477.143.1.el8_8, kernel-4.18.0-477.143.1.el8_8, kernel-abi-stablelists-4.18.0-477.143.1.el8_8 +14
- RHSA-2026:10756 Released 2026-04-27 · Red Hat rating Moderatekernel-rt security update
- Red Hat Enterprise Linux for Real Time (v. 7 ELS) kernel-rt-3.10.0-1160.148.1.rt56.1300.el7, kernel-rt-debug-3.10.0-1160.148.1.rt56.1300.el7, kernel-rt-debug-devel-3.10.0-1160.148.1.rt56.1300.el7 +4
- RHSA-2026:9870 Released 2026-04-22 · Red Hat rating Moderatekernel security update
- Red Hat Enterprise Linux Server (v. 7 ELS) bpftool-3.10.0-1160.148.1.el7, kernel-3.10.0-1160.148.1.el7, kernel-abi-whitelists-3.10.0-1160.148.1.el7 +11
- Red Hat Enterprise Linux Server Optional (v. 7 ELS) kernel-debug-devel-3.10.0-1160.148.1.el7, kernel-tools-libs-devel-3.10.0-1160.148.1.el7
Show 8 more Red Hat advisories
- RHSA-2026:5821 Released 2026-03-25 · Red Hat rating Moderatekernel security update
- Red Hat Enterprise Linux BaseOS AUS (v.8.4) bpftool-4.18.0-305.187.1.el8_4, kernel-4.18.0-305.187.1.el8_4, kernel-abi-stablelists-4.18.0-305.187.1.el8_4 +14
- Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4) bpftool-4.18.0-305.187.1.el8_4, kernel-4.18.0-305.187.1.el8_4, kernel-abi-stablelists-4.18.0-305.187.1.el8_4 +14
- RHSA-2026:5727 Released 2026-03-25 · Red Hat rating Moderatekernel security update
- Red Hat Enterprise Linux BaseOS AUS (v. 8.2) bpftool-4.18.0-193.190.1.el8_2, kernel-4.18.0-193.190.1.el8_2, kernel-abi-whitelists-4.18.0-193.190.1.el8_2 +14
- RHSA-2026:5691 Released 2026-03-25 · Red Hat rating Moderatekernel security update
- Red Hat Enterprise Linux BaseOS AUS (v.8.6) bpftool-4.18.0-372.185.1.el8_6, kernel-4.18.0-372.185.1.el8_6, kernel-abi-stablelists-4.18.0-372.185.1.el8_6 +14
- Red Hat Enterprise Linux BaseOS E4S (v.8.6) bpftool-4.18.0-372.185.1.el8_6, kernel-4.18.0-372.185.1.el8_6, kernel-abi-stablelists-4.18.0-372.185.1.el8_6 +19
- Red Hat Enterprise Linux BaseOS TUS (v.8.6) bpftool-4.18.0-372.185.1.el8_6, kernel-4.18.0-372.185.1.el8_6, kernel-abi-stablelists-4.18.0-372.185.1.el8_6 +14
- RHSA-2026:4246 Released 2026-03-11 · Red Hat rating Moderatekernel security update
- Red Hat CodeReady Linux Builder EUS (v.9.4) kernel-tools-libs-devel-5.14.0-427.114.1.el9_4, libperf-5.14.0-427.114.1.el9_4
- Red Hat Enterprise Linux AppStream EUS (v.9.4) kernel-64k-debug-devel-5.14.0-427.114.1.el9_4, kernel-64k-debug-devel-matched-5.14.0-427.114.1.el9_4, kernel-64k-devel-5.14.0-427.114.1.el9_4 +11
- Red Hat Enterprise Linux BaseOS EUS (v.9.4) bpftool-7.3.0-427.114.1.el9_4, kernel-5.14.0-427.114.1.el9_4, kernel-64k-5.14.0-427.114.1.el9_4 +29
- Red Hat Enterprise Linux Real Time EUS (v.9.4) kernel-rt-5.14.0-427.114.1.el9_4, kernel-rt-core-5.14.0-427.114.1.el9_4, kernel-rt-debug-5.14.0-427.114.1.el9_4 +9
- Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4) kernel-rt-5.14.0-427.114.1.el9_4, kernel-rt-core-5.14.0-427.114.1.el9_4, kernel-rt-debug-5.14.0-427.114.1.el9_4 +11
- RHSA-2026:4011 Released 2026-03-09 · Red Hat rating Moderatekernel security update
- Red Hat CodeReady Linux Builder EUS (v.9.6) kernel-tools-libs-devel-5.14.0-570.96.1.el9_6, libperf-5.14.0-570.96.1.el9_6
- Red Hat Enterprise Linux AppStream EUS (v.9.6) kernel-64k-debug-devel-5.14.0-570.96.1.el9_6, kernel-64k-debug-devel-matched-5.14.0-570.96.1.el9_6, kernel-64k-devel-5.14.0-570.96.1.el9_6 +12
- Red Hat Enterprise Linux BaseOS EUS (v.9.6) kernel-5.14.0-570.96.1.el9_6, kernel-64k-5.14.0-570.96.1.el9_6, kernel-64k-core-5.14.0-570.96.1.el9_6 +28
- Red Hat Enterprise Linux Real Time EUS (v.9.6) kernel-rt-5.14.0-570.96.1.el9_6, kernel-rt-64k-5.14.0-570.96.1.el9_6, kernel-rt-64k-core-5.14.0-570.96.1.el9_6 +21
- Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6) kernel-rt-5.14.0-570.96.1.el9_6, kernel-rt-core-5.14.0-570.96.1.el9_6, kernel-rt-debug-5.14.0-570.96.1.el9_6 +11
- RHSA-2026:2212 Released 2026-02-09 · Red Hat rating Moderatekernel security update
- Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-611.30.1.el9_7, kernel-64k-debug-devel-matched-5.14.0-611.30.1.el9_7, kernel-64k-devel-5.14.0-611.30.1.el9_7 +12
- Red Hat Enterprise Linux BaseOS (v. 9) kernel-5.14.0-611.30.1.el9_7, kernel-64k-5.14.0-611.30.1.el9_7, kernel-64k-core-5.14.0-611.30.1.el9_7 +28
- Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) kernel-tools-libs-devel-5.14.0-611.30.1.el9_7, libperf-5.14.0-611.30.1.el9_7
- Red Hat Enterprise Linux Real Time (v. 9) kernel-rt-5.14.0-611.30.1.el9_7, kernel-rt-64k-5.14.0-611.30.1.el9_7, kernel-rt-64k-core-5.14.0-611.30.1.el9_7 +21
- Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt-5.14.0-611.30.1.el9_7, kernel-rt-core-5.14.0-611.30.1.el9_7, kernel-rt-debug-5.14.0-611.30.1.el9_7 +9
- RHSA-2026:1662 Released 2026-02-02 · Red Hat rating Moderatekernel security update
- Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-553.100.1.el8_10, kernel-4.18.0-553.100.1.el8_10, kernel-abi-stablelists-4.18.0-553.100.1.el8_10 +19
- Red Hat Enterprise Linux CRB (v. 8) kernel-tools-libs-devel-4.18.0-553.100.1.el8_10
- RHSA-2026:1661 Released 2026-02-02 · Red Hat rating Moderatekernel-rt security update
- Red Hat Enterprise Linux NFV (v. 8) kernel-rt-4.18.0-553.100.1.rt7.441.el8_10, kernel-rt-core-4.18.0-553.100.1.rt7.441.el8_10, kernel-rt-debug-4.18.0-553.100.1.rt7.441.el8_10 +9
- Red Hat Enterprise Linux RT (v. 8) kernel-rt-4.18.0-553.100.1.rt7.441.el8_10, kernel-rt-core-4.18.0-553.100.1.rt7.441.el8_10, kernel-rt-debug-4.18.0-553.100.1.rt7.441.el8_10 +7
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 9 | Affected | No fix yet |
| Red Hat CodeReady Linux Builder EUS (v.9.4) | Fixed | RHSA-2026:4246 |
| Red Hat CodeReady Linux Builder EUS (v.9.6) | Fixed | RHSA-2026:4011 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2026:2212 |
| Red Hat Enterprise Linux AppStream EUS (v.9.4) | Fixed | RHSA-2026:4246 |
| Red Hat Enterprise Linux AppStream EUS (v.9.6) | Fixed | RHSA-2026:4011 |
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2026:1662 |
| Red Hat Enterprise Linux BaseOS (v. 9) | Fixed | RHSA-2026:2212 |
| Red Hat Enterprise Linux BaseOS AUS (v. 8.2) | Fixed | RHSA-2026:5727 |
| Red Hat Enterprise Linux BaseOS AUS (v.8.4) | Fixed | RHSA-2026:5821 |
| Red Hat Enterprise Linux BaseOS AUS (v.8.6) | Fixed | RHSA-2026:5691 |
| Red Hat Enterprise Linux BaseOS E4S (v.8.6) | Fixed | RHSA-2026:5691 |
| Red Hat Enterprise Linux BaseOS E4S (v.8.8) | Fixed | RHSA-2026:19521 |
| Red Hat Enterprise Linux BaseOS EUS (v.9.4) | Fixed | RHSA-2026:4246 |
| Red Hat Enterprise Linux BaseOS EUS (v.9.6) | Fixed | RHSA-2026:4011 |
| Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4) | Fixed | RHSA-2026:5821 |
| Red Hat Enterprise Linux BaseOS TUS (v.8.6) | Fixed | RHSA-2026:5691 |
| Red Hat Enterprise Linux BaseOS TUS (v.8.8) | Fixed | RHSA-2026:19521 |
| Red Hat Enterprise Linux CRB (v. 8) | Fixed | RHSA-2026:1662 |
| Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) | Fixed | RHSA-2026:2212 |
| Red Hat Enterprise Linux NFV (v. 8) | Fixed | RHSA-2026:1661 |
| Red Hat Enterprise Linux RT (v. 8) | Fixed | RHSA-2026:1661 |
| Red Hat Enterprise Linux Real Time (v. 9) | Fixed | RHSA-2026:2212 |
| Red Hat Enterprise Linux Real Time EUS (v.9.4) | Fixed | RHSA-2026:4246 |
| Red Hat Enterprise Linux Real Time EUS (v.9.6) | Fixed | RHSA-2026:4011 |
| Red Hat Enterprise Linux Real Time for NFV (v. 9) | Fixed | RHSA-2026:2212 |
| Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4) | Fixed | RHSA-2026:4246 |
| Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6) | Fixed | RHSA-2026:4011 |
| Red Hat Enterprise Linux Server (v. 7 ELS) | Fixed | RHSA-2026:9870 |
| Red Hat Enterprise Linux Server Optional (v. 7 ELS) | Fixed | RHSA-2026:9870 |
| Red Hat Enterprise Linux for Real Time (v. 7 ELS) | Fixed | RHSA-2026:10756 |
Not affected: 2 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
Timeline
- 2026-10-02 Threatist record created from CVE-2025-38024
- 2026-10-03 Alias added: GHSA-5vmj-cw62-2mgm
References
Patch 8
- https://git.kernel.org/stable/c/7c7c80c32e00665234e373ab03fe82f5c5c2c230
- https://git.kernel.org/stable/c/3a3b73e135e3bd18423d0baa72571319c7feb759
- https://git.kernel.org/stable/c/f8f470e3a757425a8f98fb9a5991e3cf62fc7134
- https://git.kernel.org/stable/c/52daccfc3fa68ee1902d52124921453d7a335591
- https://git.kernel.org/stable/c/ee4c5a2a38596d548566560c0c022ab797e6f71a
- https://git.kernel.org/stable/c/336edd6b0f5b7fbffc3e065285610624f59e88df
- https://git.kernel.org/stable/c/16c45ced0b3839d3eee72a86bb172bef6cf58980
- https://git.kernel.org/stable/c/f81b33582f9339d2dc17c69b92040d3650bb4bae
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Sources
- CVE-2025-38024 · CVE Program
- CVE-2025-38024 · NVD
- FIRST EPSS
- GHSA-5vmj-cw62-2mgm · GitHub Advisory Database · CC BY 4.0
- CVE-2025-38024 · Red Hat security data · CC BY 4.0
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