CVE-2025-68811: svcrdma: use rc_pageoff for memcpy byte offset
Vulnerability summary
CVE-2025-68811 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in linux. EPSS estimates a 0.53% chance of exploitation in the next 30 days, higher than 44.8% of scored vulnerabilities.
Severe, CVSS 9.8 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 1% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 28 · Related 25Timeline
- 13-01-2026PublishedVulnerability first disclosed.
- 19-10-2026Last modifiedVulnerability information updated.
Description
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)
CVSS metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.53%
Chance of exploitation in the next 30 days
Percentile
45%
Versus all other CVEs
30-day change
Increase +0.01 pp
From 0.52% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu130 products
- linux< 6.8.0-110.110 | < 6.17.0-22.22
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 6.8.0-1052.55 | < 6.17.0-1012.12
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Debian1 product
- linux< 6.12.69-1 | < 6.18.3-1
Linux1 product
- linux≥ 8e122582680c6f8acd686a5a2af9c0e46fe90f2d, < e8623e9c451e23d84b870811f42fd872b4089ef6 | ≥ 8e122582680c6f8acd686a5a2af9c0e46fe90f2d, < 2a77c8dd49bccf0ca232be7c836cec1209abb8da | ≥ 8e122582680c6f8acd686a5a2af9c0e46fe90f2d, < a8ee9099f30654917aa68f55d707b5627e1dbf77 | 6.8
3 vendors · 132 products