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kernel: dm thin: Fix ABBA deadlock between shrink_slab and dm_pool_abort_metadata

🗓️ 09 May 2023 10:04:02Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 4 Views

Kernel dm thin fixes ABBA deadlock between shrinker and metadata abort to prevent DoS.

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Refs
ReporterTitlePublishedViews
Family
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2023-026 (ALASKERNEL-5.10-2023-026)
8 Feb 202300:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2023-013 (ALASKERNEL-5.15-2023-013)
8 Feb 202300:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.4-2023-042 (ALASKERNEL-5.4-2023-042)
23 Feb 202300:00
–nessus
Tenable Nessus		EulerOS 2.0 SP13 : kernel (EulerOS-SA-2026-1212)
2 Feb 202600:00
–nessus
Tenable Nessus		EulerOS 2.0 SP13 : kernel (EulerOS-SA-2026-1224)
2 Feb 202600:00
–nessus
Tenable Nessus		EulerOS Virtualization 2.13.0 : kernel (EulerOS-SA-2026-1629)
18 Mar 202600:00
–nessus
Tenable Nessus		EulerOS Virtualization 2.13.1 : kernel (EulerOS-SA-2026-1637)
18 Mar 202600:00
–nessus
Tenable Nessus		Photon OS 4.0: Linux PHSA-2021-4.0-0065
22 Jul 202100:00
–nessus
Tenable Nessus		SUSE SLES15: cluster-md-kmp-default / dlm-kmp-default / gfs2-kmp-default / etc (SUSE-SU-2025:4111-1)
18 Nov 202500:00
–nessus
Tenable Nessus		SUSE SLES15: cluster-md-kmp-default / dlm-kmp-default / gfs2-kmp-default / etc (SUSE-SU-2025:4188-1)
25 Nov 202500:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.2aarch64bpftool7.0.0-284.11.1.el9_2bpftool-7.0.0-284.11.1.el9_2.aarch64.rpm
Red Hat Enterprise Linux9.2ppc64lebpftool7.0.0-284.11.1.el9_2bpftool-7.0.0-284.11.1.el9_2.ppc64le.rpm
Red Hat Enterprise Linux9.2s390xbpftool7.0.0-284.11.1.el9_2bpftool-7.0.0-284.11.1.el9_2.s390x.rpm
Red Hat Enterprise Linux9.2x86_64bpftool7.0.0-284.11.1.el9_2bpftool-7.0.0-284.11.1.el9_2.x86_64.rpm
Red Hat Enterprise Linux9.2aarch64bpftool-debuginfo7.0.0-284.11.1.el9_2bpftool-debuginfo-7.0.0-284.11.1.el9_2.aarch64.rpm
Red Hat Enterprise Linux9.2ppc64lebpftool-debuginfo7.0.0-284.11.1.el9_2bpftool-debuginfo-7.0.0-284.11.1.el9_2.ppc64le.rpm
Red Hat Enterprise Linux9.2s390xbpftool-debuginfo7.0.0-284.11.1.el9_2bpftool-debuginfo-7.0.0-284.11.1.el9_2.s390x.rpm
Red Hat Enterprise Linux9.2x86_64bpftool-debuginfo7.0.0-284.11.1.el9_2bpftool-debuginfo-7.0.0-284.11.1.el9_2.x86_64.rpm
Red Hat Enterprise Linux9.2aarch64kernel5.14.0-284.11.1.el9_2kernel-5.14.0-284.11.1.el9_2.aarch64.rpm
Red Hat Enterprise Linux9.2ppc64lekernel5.14.0-284.11.1.el9_2kernel-5.14.0-284.11.1.el9_2.ppc64le.rpm
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21 Jul 2026 18:57Current
7.1High risk
Vulners AI Score7.1
CVSS 3.15.5
EPSS0.00141
CWE-833
dm thin deadlockshrinker lockmetadata abortmemory reclaimcache drop
4