CVE-2025-68811: In the Linux kernel, the following vulnerability has been resolved: svcrdma: use rc_pageoff for memcpy byte o

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CRITICAL 9.8REMOTEWATCHLIST

CVE-2025-68811 is a critical-severity flaw (CVSS 9.8) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 this priority

Critical severity
Remotely exploitable, no login, no user action
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 55%)
CISA exploited list	No
Weakness	CWE-787
Published	2026-01-13
Last modified	2026-10-19

Publisher (CNA): kernel.org

Last updated 2026-10-19 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Timeline

2026-01-13 16:16 UTCPublished CVE record published
2026-10-19 19:17 UTCUpdated Record last modified

Exact fixes by distribution

Fedora ELN · openjpeg · FIXED · 2.5.4-5.eln159 · FEDORA-2026-1a5f60f401 · source

sudo dnf upgrade --advisory=FEDORA-2026-1a5f60f401

Fedora 46 · trustedqsl · FIXED · 2.8.7-1.fc46 · FEDORA-2026-6b1bc90ebc · source

sudo dnf upgrade --advisory=FEDORA-2026-6b1bc90ebc

Debian 12 · linux · NOT AFFECTED

Debian 13 · linux · FIXED · 6.12.69-1

sudo apt update && sudo apt install --only-upgrade linux dpkg --compare-versions "$(dpkg-query -W -f='${Version}' linux)" ge "6.12.69-1" && echo PATCHED || echo STILL-VULNERABLE

RHEL 10 · kernel · FIXED · kernel-6.12.0-124.35.1.el10_1

sudo dnf upgrade --advisory=RHSA-2026:2282 rpm -q kernel

RHEL 10.0 Extended Update Support · kernel · FIXED · kernel-6.12.0-55.66.1.el10_0

sudo dnf upgrade --advisory=RHSA-2026:6692 rpm -q kernel

RHEL 9 · kernel · FIXED · kernel-5.14.0-611.34.1.el9_7

sudo dnf upgrade --advisory=RHSA-2026:2722 rpm -q kernel

RHEL 9.6 Extended Update Support · kernel · FIXED · kernel-5.14.0-570.98.1.el9_6

sudo dnf upgrade --advisory=RHSA-2026:4745 rpm -q kernel

RHEL 6 · kernel · NOT AFFECTED

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-68811?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2025-68811 being exploited?

CVE-2025-68811 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-68811 affect?

CVE-2025-68811 affects affected software. Severity is critical (CVSS 9.8). 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_pag

How urgent is CVE-2025-68811?

Priority 55/100. Critical severity; Remotely exploitable, no login, no user action; On your watchlist

Software pages

Linux kernel vulnerabilities

References

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