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kernel: Linux kernel: netfilter: ebtables SNAT target writes to shared memory pages during ARP hardware address rewrite

🗓️ 08 Jul 2026 14:02:54Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 9 Views

Flaw in Linux kernel netfilter ebtables SNAT lets attacker modify memory during ARP address rewrite, risking DoS or escalation.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB		CVE-2026-53266
25 Jun 202608:39
–attackerkb
nessus
Tenable Nessus		Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2026-1924)
16 Jul 202600:00
–nessus
nessus
Tenable Nessus		Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1925)
16 Jul 202600:00
–nessus
nessus
Tenable Nessus		Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-1968)
20 Jul 202600:00
–nessus
nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2026-124 (ALASKERNEL-5.10-2026-124)
8 Jul 202600:00
–nessus
nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2026-110 (ALASKERNEL-5.15-2026-110)
20 Jul 202600:00
–nessus
nessus
Tenable Nessus		AlmaLinux 9 : kernel update (High) (ALSA-2026:36645)
9 Jul 202600:00
–nessus
nessus
Tenable Nessus		AlmaLinux 8 : kernel-rt update (High) (ALSA-2026:39082)
14 Jul 202600:00
–nessus
nessus
Tenable Nessus		AlmaLinux 8 : kernel update (High) (ALSA-2026:39083)
14 Jul 202600:00
–nessus
nessus
Tenable Nessus		Debian dla-4664 : ata-modules-5.10.0-43-armmp-di - security update
3 Jul 202600:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.8aarch64kernel5.14.0-687.23.1.el9_8kernel-5.14.0-687.23.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8ppc64lekernel5.14.0-687.23.1.el9_8kernel-5.14.0-687.23.1.el9_8.ppc64le.rpm
Red Hat Enterprise Linux9.8s390xkernel5.14.0-687.23.1.el9_8kernel-5.14.0-687.23.1.el9_8.s390x.rpm
Red Hat Enterprise Linux9.8x86_64kernel5.14.0-687.23.1.el9_8kernel-5.14.0-687.23.1.el9_8.x86_64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k5.14.0-687.23.1.el9_8kernel-64k-5.14.0-687.23.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-core5.14.0-687.23.1.el9_8kernel-64k-core-5.14.0-687.23.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-debug5.14.0-687.23.1.el9_8kernel-64k-debug-5.14.0-687.23.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-debug-core5.14.0-687.23.1.el9_8kernel-64k-debug-core-5.14.0-687.23.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-debug-debuginfo5.14.0-687.23.1.el9_8kernel-64k-debug-debuginfo-5.14.0-687.23.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-debug-devel5.14.0-687.23.1.el9_8kernel-64k-debug-devel-5.14.0-687.23.1.el9_8.aarch64.rpm
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29 Jul 2026 16:37Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.18.8
EPSS0.00121
CWE-825
Linux kernelnetfilterebtablesSource address translationAddress resolution protocolmemory corruptiondenial of serviceprivilege escalation
9