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kernel: veth: ensure skb entering GRO are not cloned.

🗓️ 08 Nov 2022 09:25:15Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 8 Views

Kernel fix: prevent cloned skbs entering generic receive offload on virtual Ethernet when no XDP is attached.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
BDU FSTEC		The vulnerability of the veth component in the Linux operating system’s kernel allows a hacker to trigger a service failure.
23 Oct 202400:00
–bdu_fstec
Circl		CVE-2021-47099
4 Mar 202419:26
–circl
CNNVD		Linux kernel security vulnerabilities
4 Mar 202400:00
–cnnvd
CVE		CVE-2021-47099
4 Mar 202418:10
–cve
Cvelist		CVE-2021-47099 veth: ensure skb entering GRO are not cloned.
4 Mar 202418:10
–cvelist
Debian CVE		CVE-2021-47099
4 Mar 202418:10
–debiancve
NVD		CVE-2021-47099
4 Mar 202418:15
–nvd
OpenVAS		openSUSE Security Advisory (SUSE-SU-2024:1322-1)
19 Apr 202400:00
–openvas
OpenVAS		openSUSE: Security Advisory for the Linux Kernel (SUSE-SU-2024:1320-1)
19 Apr 202400:00
–openvas
OpenVAS		openSUSE: Security Advisory for the Linux Kernel (SUSE-SU-2024:1321-1)
19 Apr 202400:00
–openvas
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8x86_64kernel-rt4.18.0-425.3.1.rt7.213.el8kernel-rt-4.18.0-425.3.1.rt7.213.el8.x86_64.rpm
Red Hat Enterprise Linux8x86_64kernel-rt-core4.18.0-425.3.1.rt7.213.el8kernel-rt-core-4.18.0-425.3.1.rt7.213.el8.x86_64.rpm
Red Hat Enterprise Linux8x86_64kernel-rt-debug4.18.0-425.3.1.rt7.213.el8kernel-rt-debug-4.18.0-425.3.1.rt7.213.el8.x86_64.rpm
Red Hat Enterprise Linux8x86_64kernel-rt-debug-core4.18.0-425.3.1.rt7.213.el8kernel-rt-debug-core-4.18.0-425.3.1.rt7.213.el8.x86_64.rpm
Red Hat Enterprise Linux8x86_64kernel-rt-debug-debuginfo4.18.0-425.3.1.rt7.213.el8kernel-rt-debug-debuginfo-4.18.0-425.3.1.rt7.213.el8.x86_64.rpm
Red Hat Enterprise Linux8x86_64kernel-rt-debug-devel4.18.0-425.3.1.rt7.213.el8kernel-rt-debug-devel-4.18.0-425.3.1.rt7.213.el8.x86_64.rpm
Red Hat Enterprise Linux8x86_64kernel-rt-debug-kvm4.18.0-425.3.1.rt7.213.el8kernel-rt-debug-kvm-4.18.0-425.3.1.rt7.213.el8.x86_64.rpm
Red Hat Enterprise Linux8x86_64kernel-rt-debug-modules4.18.0-425.3.1.rt7.213.el8kernel-rt-debug-modules-4.18.0-425.3.1.rt7.213.el8.x86_64.rpm
Red Hat Enterprise Linux8x86_64kernel-rt-debug-modules-extra4.18.0-425.3.1.rt7.213.el8kernel-rt-debug-modules-extra-4.18.0-425.3.1.rt7.213.el8.x86_64.rpm
Red Hat Enterprise Linux8x86_64kernel-rt-debuginfo4.18.0-425.3.1.rt7.213.el8kernel-rt-debuginfo-4.18.0-425.3.1.rt7.213.el8.x86_64.rpm
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03 Jul 2026 02:27Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.16
EPSS0.00209
SSVC
CWE-20
virtual ethernetcloned skbsgeneric receive offloadexpress data path
8