RDMA/mana: Validate rx_hash_key_len
Priority LOW 35CWE-120Published · Updated
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
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-120 and the CVSS impact.
Summary
In the Linux kernel, the following vulnerability has been resolved: RDMA/mana: Validate rx_hash_key_len Sashiko points out that rx_hash_key_len comes from a uAPI structure and is blindly passed to memcpy, allowing the userspace to trash kernel memory. Bounds check it so the memcpy cannot overflow.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00147 3rd percentileScored 2026-11-07
Fix Fixed Linux (Linux): 6.6.141, 6.12.88, 6.18.30 +2Red Hat: 12 advisories
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 | 6.2 and later | 6.6.141, 6.12.88, 6.18.30, 7.0.7, 7.1 | Patch available | CNA |
- Linux VendorLinux Affected 6.2 and later Fixed in 6.6.141, 6.12.88, 6.18.30, 7.0.7, 7.1 Patch available CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 6.2 to before 6.6.141; 6.7 to before 6.12.88; 6.13 to before 6.18.30; 6.19 to before 7.0.7 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:* | 7.1 rc1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:* | 7.1 rc2 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 6.2 to before 6.6.141; 6.7 to before 6.12.88; 6.13 to before 6.18.30; 6.19 to before 7.0.7 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:* Versions 7.1 rc1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:* Versions 7.1 rc2 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 6.6.141, 6.12.88, 6.18.30, 7.0.7, 7.1
Red Hat 12 advisories
- RHSA-2026:72831 Released 2026-10-02 · Red Hat rating Importantkpatch-patch-6_12_0-211_16_1 and kpatch-patch-6_12_0-211_49_1 security update
- Red Hat Enterprise Linux BaseOS (v. 10) kpatch-patch-6_12_0-211_16_1-1-9.el10_2, kpatch-patch-6_12_0-211_49_1-1-1.el10_2
- RHSA-2026:72830 Released 2026-09-29 · Red Hat rating Importantkpatch-patch-5_14_0-570_116_1, kpatch-patch-5_14_0-570_135_1, kpatch-patch-5_14_0-570_39_1, kpatch-patch-5_14_0-570_66_1, and kpatch-patch-5_14_0-570_94_1 security update
- Red Hat Enterprise Linux BaseOS EUS (v.9.6) kpatch-patch-5_14_0-570_116_1-1-10.el9_6, kpatch-patch-5_14_0-570_135_1-1-1.el9_6, kpatch-patch-5_14_0-570_39_1-1-16.el9_6 +2
- RHSA-2026:72832 Released 2026-09-29 · Red Hat rating Importantkpatch-patch-5_14_0-687_10_1 security update
- Red Hat Enterprise Linux BaseOS (v. 9) kpatch-patch-5_14_0-687_10_1-1-9.el9_8
Show 9 more Red Hat advisories
- RHSA-2026:72629 Released 2026-09-28 · Red Hat rating Importantkpatch-patch-4_18_0-553_109_1, kpatch-patch-4_18_0-553_125_1, kpatch-patch-4_18_0-553_158_1, kpatch-patch-4_18_0-553_72_1, and kpatch-patch-4_18_0-553_85_1 security update
- Red Hat Enterprise Linux BaseOS (v. 8) kpatch-patch-4_18_0-553_109_1-1-12.el8_10, kpatch-patch-4_18_0-553_125_1-1-9.el8_10, kpatch-patch-4_18_0-553_158_1-1-1.el8_10 +2
- RHSA-2026:72630 Released 2026-09-28 · Red Hat rating Importantkpatch-patch-5_14_0-427_100_1, kpatch-patch-5_14_0-427_113_1, kpatch-patch-5_14_0-427_126_1, kpatch-patch-5_14_0-427_146_1, and kpatch-patch-5_14_0-427_84_1 security update
- Red Hat Enterprise Linux BaseOS E4S (v.9.4) kpatch-patch-5_14_0-427_100_1-1-15.el9_4, kpatch-patch-5_14_0-427_113_1-1-13.el9_4, kpatch-patch-5_14_0-427_126_1-1-10.el9_4 +2
- RHSA-2026:65712 Released 2026-09-09 · Red Hat rating Importantkernel security, bug fix, and enhancement update
- Red Hat Enterprise Linux AppStream E4S (v.9.4) kernel-64k-debug-devel-5.14.0-427.149.1.el9_4, kernel-64k-debug-devel-matched-5.14.0-427.149.1.el9_4, kernel-64k-devel-5.14.0-427.149.1.el9_4 +11
- Red Hat Enterprise Linux BaseOS E4S (v.9.4) bpftool-7.3.0-427.149.1.el9_4, kernel-5.14.0-427.149.1.el9_4, kernel-64k-5.14.0-427.149.1.el9_4 +29
- Red Hat Enterprise Linux Real Time E4S (v.9.4) kernel-rt-5.14.0-427.149.1.el9_4, kernel-rt-core-5.14.0-427.149.1.el9_4, kernel-rt-debug-5.14.0-427.149.1.el9_4 +9
- Red Hat Enterprise Linux Real Time for NFV E4S (v.9.4) kernel-rt-5.14.0-427.149.1.el9_4, kernel-rt-core-5.14.0-427.149.1.el9_4, kernel-rt-debug-5.14.0-427.149.1.el9_4 +11
- RHSA-2026:64767 Released 2026-09-08 · Red Hat rating Importantkernel security, bug fix, and enhancement update
- Red Hat Enterprise Linux AppStream EUS (v. 10.0) kernel-64k-debug-devel-6.12.0-55.103.1.el10_0, kernel-64k-debug-devel-matched-6.12.0-55.103.1.el10_0, kernel-64k-devel-6.12.0-55.103.1.el10_0 +12
- Red Hat Enterprise Linux BaseOS EUS (v. 10.0) kernel-6.12.0-55.103.1.el10_0, kernel-64k-6.12.0-55.103.1.el10_0, kernel-64k-core-6.12.0-55.103.1.el10_0 +28
- Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) kernel-tools-libs-devel-6.12.0-55.103.1.el10_0, libperf-6.12.0-55.103.1.el10_0
- Red Hat Enterprise Linux Real Time EUS (v. 10.0) kernel-rt-6.12.0-55.103.1.el10_0, kernel-rt-64k-6.12.0-55.103.1.el10_0, kernel-rt-64k-core-6.12.0-55.103.1.el10_0 +21
- Red Hat Enterprise Linux Real Time for NFV EUS (v. 10.0) kernel-rt-6.12.0-55.103.1.el10_0, kernel-rt-core-6.12.0-55.103.1.el10_0, kernel-rt-debug-6.12.0-55.103.1.el10_0 +11
- RHSA-2026:62568 Released 2026-09-02 · Red Hat rating Importantkernel security, bug fix, and enhancement update
- Red Hat CodeReady Linux Builder EUS (v.9.6) kernel-tools-libs-devel-5.14.0-570.138.1.el9_6, libperf-5.14.0-570.138.1.el9_6
- Red Hat Enterprise Linux AppStream EUS (v.9.6) kernel-64k-debug-devel-5.14.0-570.138.1.el9_6, kernel-64k-debug-devel-matched-5.14.0-570.138.1.el9_6, kernel-64k-devel-5.14.0-570.138.1.el9_6 +12
- Red Hat Enterprise Linux BaseOS EUS (v.9.6) kernel-5.14.0-570.138.1.el9_6, kernel-64k-5.14.0-570.138.1.el9_6, kernel-64k-core-5.14.0-570.138.1.el9_6 +28
- Red Hat Enterprise Linux Real Time EUS (v.9.6) kernel-rt-5.14.0-570.138.1.el9_6, kernel-rt-64k-5.14.0-570.138.1.el9_6, kernel-rt-64k-core-5.14.0-570.138.1.el9_6 +21
- Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6) kernel-rt-5.14.0-570.138.1.el9_6, kernel-rt-core-5.14.0-570.138.1.el9_6, kernel-rt-debug-5.14.0-570.138.1.el9_6 +11
- RHSA-2026:30129 Released 2026-06-25 · Red Hat rating Importantkernel security, bug fix, and enhancement update
- Red Hat Enterprise Linux AppStream (v. 10) kernel-64k-debug-devel-6.12.0-211.28.1.el10_2, kernel-64k-debug-devel-matched-6.12.0-211.28.1.el10_2, kernel-64k-devel-6.12.0-211.28.1.el10_2 +12
- Red Hat Enterprise Linux BaseOS (v. 10) kernel-6.12.0-211.28.1.el10_2, kernel-64k-6.12.0-211.28.1.el10_2, kernel-64k-core-6.12.0-211.28.1.el10_2 +29
- Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) kernel-tools-libs-devel-6.12.0-211.28.1.el10_2, libperf-6.12.0-211.28.1.el10_2
- Red Hat Enterprise Linux Real Time (v. 10) kernel-rt-6.12.0-211.28.1.el10_2, kernel-rt-64k-6.12.0-211.28.1.el10_2, kernel-rt-64k-core-6.12.0-211.28.1.el10_2 +21
- Red Hat Enterprise Linux Real Time for NFV (v. 10) kernel-rt-6.12.0-211.28.1.el10_2, kernel-rt-core-6.12.0-211.28.1.el10_2, kernel-rt-debug-6.12.0-211.28.1.el10_2 +9
- RHSA-2026:27789 Released 2026-06-22 · Red Hat rating Importantkernel security, bug fix, and enhancement update
- Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-687.17.1.el9_8, kernel-64k-debug-devel-matched-5.14.0-687.17.1.el9_8, kernel-64k-devel-5.14.0-687.17.1.el9_8 +12
- Red Hat Enterprise Linux BaseOS (v. 9) kernel-5.14.0-687.17.1.el9_8, kernel-64k-5.14.0-687.17.1.el9_8, kernel-64k-core-5.14.0-687.17.1.el9_8 +28
- Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) kernel-tools-libs-devel-5.14.0-687.17.1.el9_8, libperf-5.14.0-687.17.1.el9_8
- Red Hat Enterprise Linux Real Time (v. 9) kernel-rt-5.14.0-687.17.1.el9_8, kernel-rt-64k-5.14.0-687.17.1.el9_8, kernel-rt-64k-core-5.14.0-687.17.1.el9_8 +21
- Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt-5.14.0-687.17.1.el9_8, kernel-rt-core-5.14.0-687.17.1.el9_8, kernel-rt-debug-5.14.0-687.17.1.el9_8 +9
- RHSA-2026:27353 Released 2026-06-19 · Red Hat rating Importantkernel security, bug fix, and enhancement update
- Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-553.136.1.el8_10, kernel-4.18.0-553.136.1.el8_10, kernel-abi-stablelists-4.18.0-553.136.1.el8_10 +19
- Red Hat Enterprise Linux CRB (v. 8) kernel-tools-libs-devel-4.18.0-553.136.1.el8_10
- RHSA-2026:27354 Released 2026-06-19 · Red Hat rating Importantkernel-rt security, bug fix, and enhancement update
- Red Hat Enterprise Linux NFV (v. 8) kernel-rt-4.18.0-553.136.1.rt7.477.el8_10, kernel-rt-core-4.18.0-553.136.1.rt7.477.el8_10, kernel-rt-debug-4.18.0-553.136.1.rt7.477.el8_10 +9
- Red Hat Enterprise Linux RT (v. 8) kernel-rt-4.18.0-553.136.1.rt7.477.el8_10, kernel-rt-core-4.18.0-553.136.1.rt7.477.el8_10, kernel-rt-debug-4.18.0-553.136.1.rt7.477.el8_10 +7
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat CodeReady Linux Builder EUS (v.9.6) | Fixed | RHSA-2026:62568 |
| Red Hat Enterprise Linux AppStream (v. 10) | Fixed | RHSA-2026:30129 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2026:27789 |
| Red Hat Enterprise Linux AppStream E4S (v.9.4) | Fixed | RHSA-2026:65712 |
| Red Hat Enterprise Linux AppStream EUS (v. 10.0) | Fixed | RHSA-2026:64767 |
| Red Hat Enterprise Linux AppStream EUS (v.9.6) | Fixed | RHSA-2026:62568 |
| Red Hat Enterprise Linux BaseOS (v. 10) | Fixed | RHSA-2026:30129, RHSA-2026:72831 |
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2026:27353, RHSA-2026:72629 |
| Red Hat Enterprise Linux BaseOS (v. 9) | Fixed | RHSA-2026:27789, RHSA-2026:72832 |
| Red Hat Enterprise Linux BaseOS E4S (v.9.4) | Fixed | RHSA-2026:65712, RHSA-2026:72630 |
| Red Hat Enterprise Linux BaseOS EUS (v. 10.0) | Fixed | RHSA-2026:64767 |
| Red Hat Enterprise Linux BaseOS EUS (v.9.6) | Fixed | RHSA-2026:62568, RHSA-2026:72830 |
| Red Hat Enterprise Linux CRB (v. 8) | Fixed | RHSA-2026:27353 |
| Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) | Fixed | RHSA-2026:30129 |
| Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) | Fixed | RHSA-2026:27789 |
| Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) | Fixed | RHSA-2026:64767 |
| Red Hat Enterprise Linux NFV (v. 8) | Fixed | RHSA-2026:27354 |
| Red Hat Enterprise Linux RT (v. 8) | Fixed | RHSA-2026:27354 |
| Red Hat Enterprise Linux Real Time (v. 10) | Fixed | RHSA-2026:30129 |
| Red Hat Enterprise Linux Real Time (v. 9) | Fixed | RHSA-2026:27789 |
| Red Hat Enterprise Linux Real Time E4S (v.9.4) | Fixed | RHSA-2026:65712 |
| Red Hat Enterprise Linux Real Time EUS (v. 10.0) | Fixed | RHSA-2026:64767 |
| Red Hat Enterprise Linux Real Time EUS (v.9.6) | Fixed | RHSA-2026:62568 |
| Red Hat Enterprise Linux Real Time for NFV (v. 10) | Fixed | RHSA-2026:30129 |
| Red Hat Enterprise Linux Real Time for NFV (v. 9) | Fixed | RHSA-2026:27789 |
| Red Hat Enterprise Linux Real Time for NFV E4S (v.9.4) | Fixed | RHSA-2026:65712 |
| Red Hat Enterprise Linux Real Time for NFV EUS (v. 10.0) | Fixed | RHSA-2026:64767 |
| Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6) | Fixed | RHSA-2026:62568 |
Not affected: 3 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2026-46145
- 2026-10-03 Alias added: GHSA-h8h4-4mrv-wh3h
- 2026-10-16 CISA SSVC decision points changed
- 2026-10-19 Weakness changed · CISA ADP
- 2026-10-29 Affected versions changed · Red Hat
References
Patch 5
- https://git.kernel.org/stable/c/7d7c9f0fcd19c4d2f0164347c58d49cafa961b72
- https://git.kernel.org/stable/c/11c1431d641e0e4e0529e96957995820600c7287
- https://git.kernel.org/stable/c/012796f9541fcd0c1fa8ae4da7eb4d83931ef838
- https://git.kernel.org/stable/c/7d94f155f354b961c598f71bafa804dceded513f
- https://git.kernel.org/stable/c/6dd2d4ad9c8429523b1c220c5132bd551c006425
More Linux Kernel vulnerabilities
- TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
- TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
- TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
- TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
- TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
Sources
- CVE-2026-46145 · CVE Program
- CVE-2026-46145 · NVD
- FIRST EPSS
- GHSA-h8h4-4mrv-wh3h · GitHub Advisory Database · CC BY 4.0
- CVE-2026-46145 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences