Unrated severityNVD Advisory· Published Dec 16, 2025· Updated Apr 15, 2026
CVE-2025-68317
CVE-2025-68317
Description
In the Linux kernel, the following vulnerability has been resolved:
io_uring/zctx: check chained notif contexts
Send zc only links ubuf_info for requests coming from the same context. There are some ambiguous syz reports, so let's check the assumption on notification completion.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
41- osv-coords40 versionspkg:linux/kernelpkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-azure&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2016.0pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Micro%206.2pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Micro%206.2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2016.0pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Micro%206.2pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-obs-qa&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-obs-qa&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Micro%206.2pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Micro%206.2pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0
>= 6.10.0, < 6.12.58+ 39 more
- (no CPE)range: >= 6.10.0, < 6.12.58
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1.160000.2.6
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1.160000.2.6
- (no CPE)range: < 6.12.0-160000.9.1.160000.2.6
- (no CPE)range: < 6.12.0-160000.9.1.160000.2.6
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
Patches
Vulnerability mechanics
References
3News mentions
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