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kernel: md: fix mddev uaf while iterating all_mddevs list

🗓️ 09 Jul 2025 12:22:33Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 16 Views

Fix use after free in Linux kernel multiple device subsystem during all_mddevs iteration with proper locking and mddev reference handling.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
nessus
Tenable Nessus		Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2025-1050)
10 Jul 202500:00
–nessus
nessus
Tenable Nessus		Amazon Linux 2023 : bpftool, kernel6.12, kernel6.12-modules-extra (ALAS2023-2025-995)
12 Jun 202500:00
–nessus
nessus
Tenable Nessus		AlmaLinux 9 : kernel (ALSA-2025:9080)
3 Jul 202500:00
–nessus
nessus
Tenable Nessus		Azure Linux 3.0 Security Update: kernel (CVE-2025-22126)
22 Jan 202600:00
–nessus
nessus
Tenable Nessus		Debian dla-4193 : linux-config-6.1 - security update
29 May 202500:00
–nessus
nessus
Tenable Nessus		Debian dsa-5907 : affs-modules-6.1.0-33-4kc-malta-di - security update
27 Apr 202500:00
–nessus
nessus
Tenable Nessus		MiracleLinux 9 : kernel-5.14.0-570.22.1.el9_6 (AXSA:2025-10621:48)
13 Jan 202600:00
–nessus
nessus
Tenable Nessus		Oracle Linux 10 / 9 : Unbreakable Enterprise kernel (ELSA-2025-20480)
18 Jul 202500:00
–nessus
nessus
Tenable Nessus		Oracle Linux 10 / 9 : Unbreakable Enterprise kernel (ELSA-2025-20530)
19 Aug 202500:00
–nessus
nessus
Tenable Nessus		Oracle Linux 9 : kernel (ELSA-2025-9080)
17 Jun 202500:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.4aarch64bpftool7.3.0-427.76.1.el9_4bpftool-7.3.0-427.76.1.el9_4.aarch64.rpm
Red Hat Enterprise Linux9.4ppc64lebpftool7.3.0-427.76.1.el9_4bpftool-7.3.0-427.76.1.el9_4.ppc64le.rpm
Red Hat Enterprise Linux9.4s390xbpftool7.3.0-427.76.1.el9_4bpftool-7.3.0-427.76.1.el9_4.s390x.rpm
Red Hat Enterprise Linux9.4x86_64bpftool7.3.0-427.76.1.el9_4bpftool-7.3.0-427.76.1.el9_4.x86_64.rpm
Red Hat Enterprise Linux9.4aarch64bpftool-debuginfo7.3.0-427.76.1.el9_4bpftool-debuginfo-7.3.0-427.76.1.el9_4.aarch64.rpm
Red Hat Enterprise Linux9.4ppc64lebpftool-debuginfo7.3.0-427.76.1.el9_4bpftool-debuginfo-7.3.0-427.76.1.el9_4.ppc64le.rpm
Red Hat Enterprise Linux9.4s390xbpftool-debuginfo7.3.0-427.76.1.el9_4bpftool-debuginfo-7.3.0-427.76.1.el9_4.s390x.rpm
Red Hat Enterprise Linux9.4x86_64bpftool-debuginfo7.3.0-427.76.1.el9_4bpftool-debuginfo-7.3.0-427.76.1.el9_4.x86_64.rpm
Red Hat Enterprise Linux9.4aarch64kernel5.14.0-427.76.1.el9_4kernel-5.14.0-427.76.1.el9_4.aarch64.rpm
Red Hat Enterprise Linux9.4ppc64lekernel5.14.0-427.76.1.el9_4kernel-5.14.0-427.76.1.el9_4.ppc64le.rpm
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13 Sep 2026 08:28Current
6.9Medium risk
Vulners AI Score6.9
CVSS 3.17.8
EPSS0.00199
CWE-416
linux kernelmultiple deviceuse after freeiteration lockingreference countingmd device
16