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kernel: smb: client: fix double-free in SMB2_flush() replay

🗓️ 24 Sep 2026 07:25:09Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 2 Views

Double-free in Linux kernel SMB2_flush() replay allows remote code execution or DoS.

Related
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Refs
ReporterTitlePublishedViews
Family
nessus
Tenable Nessus		Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-2045)
18 Aug 202600:00
–nessus
nessus
Tenable Nessus		Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-2057)
18 Aug 202600:00
–nessus
nessus
Tenable Nessus		Debian dla-4724 : ata-modules-6.12.100+deb12-armmp-di - security update
8 Aug 202600:00
–nessus
nessus
Tenable Nessus		Oracle Linux 10 / 9 : Unbreakable Enterprise kernel (ELSA-2026-500248)
4 Sep 202600:00
–nessus
nessus
Tenable Nessus		Photon OS 5.0: Linux PHSA-2026-5.0-0928
24 Jul 202600:00
–nessus
nessus
Tenable Nessus		Photon OS 5.0: Linux PHSA-2026-5.0-92-0928
5 Aug 202600:00
–nessus
nessus
Tenable Nessus		SUSE SLED15: cluster-md-kmp-default / dlm-kmp-default / gfs2-kmp-default / etc (SUSE-SU-2026:4254-1)
18 Sep 202600:00
–nessus
nessus
Tenable Nessus		Ubuntu 24.04 LTS / 26.04 LTS / Pro Realtime 24.04 LTS : Linux kernel vulnerabilities (USN-8726-1)
7 Sep 202600:00
–nessus
nessus
Tenable Nessus		Ubuntu 26.04 LTS : Linux kernel (OEM) vulnerabilities (USN-8727-1)
7 Sep 202600:00
–nessus
nessus
Tenable Nessus		Ubuntu 24.04 LTS / Pro Realtime 24.04 LTS : Linux kernel (GCP) vulnerabilities (USN-8728-1)
7 Sep 202600:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.8aarch64kernel5.14.0-687.51.1.el9_8kernel-5.14.0-687.51.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8ppc64lekernel5.14.0-687.51.1.el9_8kernel-5.14.0-687.51.1.el9_8.ppc64le.rpm
Red Hat Enterprise Linux9.8s390xkernel5.14.0-687.51.1.el9_8kernel-5.14.0-687.51.1.el9_8.s390x.rpm
Red Hat Enterprise Linux9.8x86_64kernel5.14.0-687.51.1.el9_8kernel-5.14.0-687.51.1.el9_8.x86_64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k5.14.0-687.51.1.el9_8kernel-64k-5.14.0-687.51.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-core5.14.0-687.51.1.el9_8kernel-64k-core-5.14.0-687.51.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-debug5.14.0-687.51.1.el9_8kernel-64k-debug-5.14.0-687.51.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-debug-core5.14.0-687.51.1.el9_8kernel-64k-debug-core-5.14.0-687.51.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-debug-debuginfo5.14.0-687.51.1.el9_8kernel-64k-debug-debuginfo-5.14.0-687.51.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-debug-devel5.14.0-687.51.1.el9_8kernel-64k-debug-devel-5.14.0-687.51.1.el9_8.aarch64.rpm
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24 Sep 2026 17:28Current
6.5Medium risk
Vulners AI Score6.5
CVSS 3.19.8
EPSS0.00457
CWE-1341
Linux kernelSMB clientdouble-freeSMB2_flush()memory corruptioncode execution
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