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CVE-2025-39779 btrfs: subpage: keep TOWRITE tag until folio is cleaned

🗓️ 11 Sep 2025 16:56:30Reported by GoogleType 
osv
 osv🔗 osv.dev👁 1 Views

Fixed a Linux kernel btrfs subpage writeback bug that clears TOWRITE too early, breaking ordered extents.

Related
Refs
ReporterTitlePublishedViews
Family
Tenable Nessus		Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2025-1208)
30 Sep 202500:00
–nessus
Tenable Nessus		Debian dsa-6008 : ata-modules-6.12.31-armmp-di - security update
22 Sep 202500:00
–nessus
Tenable Nessus		openSUSE 16 Security Update : kernel (openSUSE-SU-2025-20091-1)
2 Dec 202500:00
–nessus
Tenable Nessus		Oracle Linux 10 / 9 : Unbreakable Enterprise kernel (ELSA-2025-25754)
10 Nov 202500:00
–nessus
Tenable Nessus		Ubuntu 24.04 LTS : Linux kernel vulnerabilities (USN-8028-1)
12 Feb 202600:00
–nessus
Tenable Nessus		Ubuntu 22.04 LTS : Linux kernel (GCP) vulnerabilities (USN-8031-1)
13 Feb 202600:00
–nessus
Tenable Nessus		Ubuntu 24.04 LTS : Linux kernel (Low Latency) vulnerabilities (USN-8052-1)
19 Feb 202600:00
–nessus
Tenable Nessus		Ubuntu 24.04 LTS : Linux kernel (Azure) vulnerabilities (USN-8074-1)
6 Mar 202600:00
–nessus
Tenable Nessus		Ubuntu 22.04 LTS : Linux kernel (Azure) vulnerabilities (USN-8126-1)
27 Mar 202600:00
–nessus
Tenable Nessus		Linux Distros Unpatched Vulnerability : CVE-2025-39779
14 Sep 202500:00
–nessus
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02 Apr 2026 12:48Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.15.5
EPSS0.00017
btrfs subpagewriteback tagordered extentszoned filesystemfolio cleanup
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