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In btrfs_get_root_ref in fs/btrfs/disk-io.c in the Linux kernel through 6.7.1 there can be an assertion failure and crash because a subvolume can be read out too soon after its root item is inserted upon subvolume creation.

🗓️ 30 Jan 2024 08:00:00Reported by MicrosoftType 
mscve
 mscve🔗 msrc.microsoft.com👁 4 Views

Linux kernel up to 6.7.1: btrfs_get_root_ref may crash when reading a subvolume before its root item is inserted.

Related
Detection
ReporterTitlePublishedViews
Family
Tenable Nessus		Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2024-549)
6 Mar 202400:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel (ALASKERNEL-5.10-2024-051)
6 Mar 202400:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2024-053 (ALASKERNEL-5.10-2024-053)
1 Apr 202400:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel (ALASKERNEL-5.15-2024-039)
6 Mar 202400:00
–nessus
Tenable Nessus		Azure Linux 3.0 Security Update: kernel (CVE-2024-23850)
10 Feb 202500:00
–nessus
Tenable Nessus		Debian dla-3842 : linux-config-5.10 - security update
27 Jun 202400:00
–nessus
Tenable Nessus		Debian dsa-5658 : affs-modules-6.1.0-11-4kc-malta-di - security update
13 Apr 202400:00
–nessus
Tenable Nessus		Debian dsa-5681 : affs-modules-5.10.0-29-4kc-malta-di - security update
6 May 202400:00
–nessus
Tenable Nessus		Fedora 39 : kernel (2024-d16d94b00d)
28 Feb 202400:00
–nessus
Tenable Nessus		CBL Mariner 2.0 Security Update: kernel (CVE-2024-23850)
16 Aug 202400:00
–nessus
Rows per page
Vulners
Node
microsoftcbl2_kernel_5.15.180.1-1Range<5.15.153.1-1
OR
microsoftazl3_kernel_6.6.92.2-1Range<6.6.35.1-4
OR
microsoftcbl2_kernel_5.15.180.1-1Range<5.15.153.1-1
OR
microsoftazl3_kernel_6.6.35.1-4Range<6.6.35.1-4
OR
microsoftcbl2_kernel_5.15.153.1-1Range<5.15.153.1-1

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18 Feb 2026 11:23Current
7.1High risk
Vulners AI Score7.1
CVSS 3.15.5
EPSS0.00043
SSVC
btrfsroot referencesubvolume creationassertion failurekernel crash
4