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PUBLISHED

2026-06-09 13:16

MODIFIED

2026-06-09 13:16

EPSS (Prob. Exploit)

0.14%

Top 97.2%

DATA SOURCES:

NVD 🔗 2026-06-09 FIRST EPSS 🔗 2026-10-25 OSV 🔗 2026-09-20 MSRC 🔗 2026-11-02

> DESCRIPTION

In the Linux kernel, the following vulnerability has been resolved: net: gro: don't merge zcopy skbs skb_gro_receive() can currently copy frags between the source and GRO skb, without checking the zerocopy status, and in particular the SKBFL_MANAGED_FRAG_REFS flag. When SKBFL_MANAGED_FRAG_REFS is set, the skb doesn't hold a reference on the pages in shinfo->frags. Appending those frags to another skb's frags without fixing up the page refcount can lead to UAF. When either the last skb in the GRO chain (the one we would append frags to) or the source skb is zerocopy, don't merge the skbs.

> AFFECTED_PRODUCTS

ℹ️ Aucun produit affecté n'a encore été publié par NVD pour cette CVE.

> RED HAT SECURITY ADVISORIES

RHSA-2026:27708 IMPORTANT

Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulne...

RHSA-2026:27735 IMPORTANT

Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Co...

RHSA-2026:27731 IMPORTANT

Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vuln...

RHSA-2026:36018 IMPORTANT

Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (C...

RHSA-2026:44270 IMPORTANT

Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (...

RHSA-2026:44262 IMPORTANT

Red Hat Security Advisory: OpenShift Container Platform 4.21.26 bug fix and security update

Red Hat OpenShift Container Platform release 4.21.26 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red H...

RHSA-2026:44259 IMPORTANT

Red Hat Security Advisory: OpenShift Container Platform 4.20.31 bug fix and security update

Red Hat OpenShift Container Platform release 4.20.31 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red H...

RHSA-2026:44230 IMPORTANT

Red Hat Security Advisory: OpenShift Container Platform 4.18.50 bug fix and security update

Red Hat OpenShift Container Platform release 4.18.50 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red...

RHSA-2026:44231 IMPORTANT

Red Hat Security Advisory: OpenShift Container Platform 4.19.40 bug fix and security update

Red Hat OpenShift Container Platform release 4.19.40 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red...

RHSA-2026:47727 IMPORTANT

Red Hat Security Advisory: OpenShift Container Platform 4.17.56 bug fix and security update

Red Hat OpenShift Container Platform release 4.17.56 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red...

RHSA-2026:62641 IMPORTANT

Red Hat Security Advisory: kpatch-patch-5_14_0-570_116_1, kpatch-patch-5_14_0-570_17_1, kpatch-patch-5_14_0-570_39_1, kpatch-patch-5_14_0-570_66_1, and kpatch-patch-5_14_0-570_94_1 security update

An update for multiple packages is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A C...

RHSA-2026:62640 IMPORTANT

Red Hat Security Advisory: kpatch-patch-5_14_0-687_10_1 security update

An update for kpatch-patch-5_14_0-687_10_1 is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerabi...

RHSA-2026:62642 IMPORTANT

Red Hat Security Advisory: kpatch-patch-6_12_0-211_16_1 security update

An update for kpatch-patch-6_12_0-211_16_1 is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerab...

RHSA-2026:62639 IMPORTANT

Red Hat Security Advisory: kpatch-patch-5_14_0-427_100_1, kpatch-patch-5_14_0-427_113_1, kpatch-patch-5_14_0-427_126_1, kpatch-patch-5_14_0-427_68_2, and kpatch-patch-5_14_0-427_84_1 security update

An update for multiple packages is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Impo...

RHSA-2026:67935 IMPORTANT

Red Hat Security Advisory: OpenShift Container Platform 4.16.71 bug fix and security update

Red Hat OpenShift Container Platform release 4.16.71 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red H...