svcrdma: use rc_pageoff for memcpy byte offset
Key facts
- Attack vector
- Network
- Privileges required
- None
- 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-787 and the CVSS impact.
Summary
In the Linux kernel, the following vulnerability has been resolved: svcrdma: use rc_pageoff for memcpy byte offset svc_rdma_copy_inline_range added rc_curpage (page index) to the page base instead of the byte offset rc_pageoff. Use rc_pageoff so copies land within the current page. Found by ZeroPath (https://zeropath.com)
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA Linux (Linux) Fixed in 6.12.64, 6.18.3, 6.19
Red Hat 4 advisories
- RHSA-2026:6692 Released 2026-04-06 · Red Hat rating Moderatekernel security update
- Red Hat Enterprise Linux AppStream EUS (v. 10.0) kernel-64k-debug-devel-6.12.0-55.66.1.el10_0, kernel-64k-debug-devel-matched-6.12.0-55.66.1.el10_0, kernel-64k-devel-6.12.0-55.66.1.el10_0 +12
- Red Hat Enterprise Linux BaseOS EUS (v. 10.0) kernel-6.12.0-55.66.1.el10_0, kernel-64k-6.12.0-55.66.1.el10_0, kernel-64k-core-6.12.0-55.66.1.el10_0 +28
- Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) kernel-tools-libs-devel-6.12.0-55.66.1.el10_0, libperf-6.12.0-55.66.1.el10_0
- Red Hat Enterprise Linux Real Time EUS (v. 10.0) kernel-rt-6.12.0-55.66.1.el10_0, kernel-rt-64k-6.12.0-55.66.1.el10_0, kernel-rt-64k-core-6.12.0-55.66.1.el10_0 +21
- Red Hat Enterprise Linux Real Time for NFV EUS (v. 10.0) kernel-rt-6.12.0-55.66.1.el10_0, kernel-rt-core-6.12.0-55.66.1.el10_0, kernel-rt-debug-6.12.0-55.66.1.el10_0 +11
- RHSA-2026:4745 Released 2026-03-17 · Red Hat rating Moderatekernel security update
- Red Hat CodeReady Linux Builder EUS (v.9.6) kernel-tools-libs-devel-5.14.0-570.98.1.el9_6, libperf-5.14.0-570.98.1.el9_6
- Red Hat Enterprise Linux AppStream EUS (v.9.6) kernel-64k-debug-devel-5.14.0-570.98.1.el9_6, kernel-64k-debug-devel-matched-5.14.0-570.98.1.el9_6, kernel-64k-devel-5.14.0-570.98.1.el9_6 +12
- Red Hat Enterprise Linux BaseOS EUS (v.9.6) kernel-5.14.0-570.98.1.el9_6, kernel-64k-5.14.0-570.98.1.el9_6, kernel-64k-core-5.14.0-570.98.1.el9_6 +28
- Red Hat Enterprise Linux Real Time EUS (v.9.6) kernel-rt-5.14.0-570.98.1.el9_6, kernel-rt-64k-5.14.0-570.98.1.el9_6, kernel-rt-64k-core-5.14.0-570.98.1.el9_6 +21
- Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6) kernel-rt-5.14.0-570.98.1.el9_6, kernel-rt-core-5.14.0-570.98.1.el9_6, kernel-rt-debug-5.14.0-570.98.1.el9_6 +11
- RHSA-2026:2722 Released 2026-02-16 · Red Hat rating Moderatekernel security update
- Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-611.34.1.el9_7, kernel-64k-debug-devel-matched-5.14.0-611.34.1.el9_7, kernel-64k-devel-5.14.0-611.34.1.el9_7 +12
- Red Hat Enterprise Linux BaseOS (v. 9) kernel-5.14.0-611.34.1.el9_7, kernel-64k-5.14.0-611.34.1.el9_7, kernel-64k-core-5.14.0-611.34.1.el9_7 +28
- Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) kernel-tools-libs-devel-5.14.0-611.34.1.el9_7, libperf-5.14.0-611.34.1.el9_7
- Red Hat Enterprise Linux Real Time (v. 9) kernel-rt-5.14.0-611.34.1.el9_7, kernel-rt-64k-5.14.0-611.34.1.el9_7, kernel-rt-64k-core-5.14.0-611.34.1.el9_7 +21
- Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt-5.14.0-611.34.1.el9_7, kernel-rt-core-5.14.0-611.34.1.el9_7, kernel-rt-debug-5.14.0-611.34.1.el9_7 +9
Show 1 more Red Hat advisories
- RHSA-2026:2282 Released 2026-02-09 · Red Hat rating Moderatekernel security update
- Red Hat Enterprise Linux AppStream (v. 10) kernel-64k-debug-devel-6.12.0-124.35.1.el10_1, kernel-64k-debug-devel-matched-6.12.0-124.35.1.el10_1, kernel-64k-devel-6.12.0-124.35.1.el10_1 +12
- Red Hat Enterprise Linux BaseOS (v. 10) kernel-6.12.0-124.35.1.el10_1, kernel-64k-6.12.0-124.35.1.el10_1, kernel-64k-core-6.12.0-124.35.1.el10_1 +29
- Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) kernel-tools-libs-devel-6.12.0-124.35.1.el10_1, libperf-6.12.0-124.35.1.el10_1
- Red Hat Enterprise Linux Real Time (v. 10) kernel-rt-6.12.0-124.35.1.el10_1, kernel-rt-64k-6.12.0-124.35.1.el10_1, kernel-rt-64k-core-6.12.0-124.35.1.el10_1 +21
- Red Hat Enterprise Linux Real Time for NFV (v. 10) kernel-rt-6.12.0-124.35.1.el10_1, kernel-rt-core-6.12.0-124.35.1.el10_1, kernel-rt-debug-6.12.0-124.35.1.el10_1 +9
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat CodeReady Linux Builder EUS (v.9.6) | Fixed | RHSA-2026:4745 |
| Red Hat Enterprise Linux AppStream (v. 10) | Fixed | RHSA-2026:2282 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2026:2722 |
| Red Hat Enterprise Linux AppStream EUS (v. 10.0) | Fixed | RHSA-2026:6692 |
| Red Hat Enterprise Linux AppStream EUS (v.9.6) | Fixed | RHSA-2026:4745 |
| Red Hat Enterprise Linux BaseOS (v. 10) | Fixed | RHSA-2026:2282 |
| Red Hat Enterprise Linux BaseOS (v. 9) | Fixed | RHSA-2026:2722 |
| Red Hat Enterprise Linux BaseOS EUS (v. 10.0) | Fixed | RHSA-2026:6692 |
| Red Hat Enterprise Linux BaseOS EUS (v.9.6) | Fixed | RHSA-2026:4745 |
| Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) | Fixed | RHSA-2026:2282 |
| Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) | Fixed | RHSA-2026:2722 |
| Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) | Fixed | RHSA-2026:6692 |
| Red Hat Enterprise Linux Real Time (v. 10) | Fixed | RHSA-2026:2282 |
| Red Hat Enterprise Linux Real Time (v. 9) | Fixed | RHSA-2026:2722 |
| Red Hat Enterprise Linux Real Time EUS (v. 10.0) | Fixed | RHSA-2026:6692 |
| Red Hat Enterprise Linux Real Time EUS (v.9.6) | Fixed | RHSA-2026:4745 |
| Red Hat Enterprise Linux Real Time for NFV (v. 10) | Fixed | RHSA-2026:2282 |
| Red Hat Enterprise Linux Real Time for NFV (v. 9) | Fixed | RHSA-2026:2722 |
| Red Hat Enterprise Linux Real Time for NFV EUS (v. 10.0) | Fixed | RHSA-2026:6692 |
| Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6) | Fixed | RHSA-2026:4745 |
Not affected: 4 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2025-68811
- 2026-10-03 Alias added: GHSA-2gq5-6pmr-v24v
- 2026-10-19 Weakness changed · CISA ADP
- 2026-10-29 Affected versions changed · Red Hat
References
More Linux vulnerabilities
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- TI-2021-02452 Incorrect authorization in Ubuntu linux kernel 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
Sources
- CVE-2025-68811 · CVE Program
- CVE-2025-68811 · NVD
- FIRST EPSS
- GHSA-2gq5-6pmr-v24v · GitHub Advisory Database · CC BY 4.0
- CVE-2025-68811 · 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