Red Hat Security Advisory: kernel security update
Red Hat has issued a security advisory for a kernel update addressing two vulnerabilities in the Linux kernel. The first vulnerability (CVE-2025-68811) involves the svcrdma component and fixes the use of rc_pageoff for memcpy byte offset. The second vulnerability (CVE-2026-23209) addresses error recovery in the macvlan component's macvlan_common_newlink() function. These issues affect Red Hat Enterprise Linux 10.0 Extended Update Support and related variants. The update is rated as having a moderate security impact. Systems must be rebooted after applying the update for the fixes to take effect.
AI Analysis
Technical Summary
This advisory covers two kernel vulnerabilities in Red Hat Enterprise Linux 10.0 EUS. CVE-2025-68811 fixes a flaw in the svcrdma kernel module related to the memcpy byte offset calculation using rc_pageoff. CVE-2026-23209 fixes error recovery in the macvlan_common_newlink() function within the macvlan kernel module. Both vulnerabilities have been addressed in the kernel update released by Red Hat. The advisory references Red Hat's errata RHSA-2026:6692 and provides links for applying the update. A system reboot is required to activate the patches.
Potential Impact
The vulnerabilities affect the Linux kernel's svcrdma and macvlan components, potentially leading to improper memory operations and error recovery failures. Red Hat rates the security impact as moderate. No known exploits in the wild have been reported. The issues could affect system stability or security depending on the kernel modules' usage but no further impact details are provided.
Mitigation Recommendations
Red Hat has released an official kernel update for Red Hat Enterprise Linux 10.0 Extended Update Support that addresses these vulnerabilities. Users should apply the update as described in the Red Hat advisory (RHSA-2026:6692) and reboot their systems to ensure the fixes take effect. Patch status is confirmed as available and official.
Red Hat Security Advisory: kernel security update
Description
Red Hat has issued a security advisory for a kernel update addressing two vulnerabilities in the Linux kernel. The first vulnerability (CVE-2025-68811) involves the svcrdma component and fixes the use of rc_pageoff for memcpy byte offset. The second vulnerability (CVE-2026-23209) addresses error recovery in the macvlan component's macvlan_common_newlink() function. These issues affect Red Hat Enterprise Linux 10.0 Extended Update Support and related variants. The update is rated as having a moderate security impact. Systems must be rebooted after applying the update for the fixes to take effect.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This advisory covers two kernel vulnerabilities in Red Hat Enterprise Linux 10.0 EUS. CVE-2025-68811 fixes a flaw in the svcrdma kernel module related to the memcpy byte offset calculation using rc_pageoff. CVE-2026-23209 fixes error recovery in the macvlan_common_newlink() function within the macvlan kernel module. Both vulnerabilities have been addressed in the kernel update released by Red Hat. The advisory references Red Hat's errata RHSA-2026:6692 and provides links for applying the update. A system reboot is required to activate the patches.
Potential Impact
The vulnerabilities affect the Linux kernel's svcrdma and macvlan components, potentially leading to improper memory operations and error recovery failures. Red Hat rates the security impact as moderate. No known exploits in the wild have been reported. The issues could affect system stability or security depending on the kernel modules' usage but no further impact details are provided.
Mitigation Recommendations
Red Hat has released an official kernel update for Red Hat Enterprise Linux 10.0 Extended Update Support that addresses these vulnerabilities. Users should apply the update as described in the Red Hat advisory (RHSA-2026:6692) and reboot their systems to ensure the fixes take effect. Patch status is confirmed as available and official.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:6692
- Cve Count
- 2
- Additional Cves
- ["CVE-2026-23209"]
- Cvss Version
- 3.1
Threat ID: 6a27e9fd8dd33fbd8517cfc2
Added to database: 06/09/2026, 10:25:01 UTC
Last enriched: 08/22/2026, 22:30:12 UTC
Last updated: 09/10/2026, 19:36:51 UTC
Views: 102
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