CVE-2026-43308

A flaw was found in the Linux kernel's Btrfs filesystem. An unexpected delayed reference type in the runonedelayedref function could lead to a system crash. This vulnerability could allow a local attacker to cause a denial of service DoS by triggering the unexpected reference type...

CVE-2026-43308

In the Linux kernel, the following vulnerability has been resolved: btrfs: don't BUG on unexpected delayed ref type in runonedelayedref There is no need to BUG, we can just return an error and log an error message...

UBUNTU-CVE-2026-43308

In the Linux kernel, the following vulnerability has been resolved: btrfs: don't BUG on unexpected delayed ref type in runonedelayedref There is no need to BUG, we can just return an error and log an error message...

CVE-2026-43308

CVE-2026-43308 affects the Linux kernel’s Btrfs code path, where an unexpected delayed ref type could previously trigger a BUG() in run_one_delayed_ref(). The issue could enable a local attacker to induce a system crash/DoS by triggering the faulty delay path. The advisory notes that the code can...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, caused by the use of the runonedelayedref function for an unexpected delayed reference type. This vulnerability...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013500)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013500 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: always report error in runonedelayedref Currently we have a btrfsdebug for runonedelayedre...

EUVD-2025-205095

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix double free of qgroup record after failure to add delayed ref head In the previous code it was possible to incur into a double kfree scenario when calling adddelayedrefhead. This could happen if the record was reported...

CVE-2025-68359

CVE-2025-68359 pertains to the Linux kernel (btrfs) where a double free could occur for a qgroup record during add_delayed_ref_head() failure. The root cause is shared ownership of the qrecord object between the caller and add_delayed_ref_head(); the fix shifts ownership so add_delayed_ref_head()...

CVE-2025-68359 btrfs: fix double free of qgroup record after failure to add delayed ref head

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix double free of qgroup record after failure to add delayed ref head In the previous code it was possible to incur into a double kfree scenario when calling adddelayedrefhead. This could happen if the record was reported...

Linux Distros Unpatched Vulnerability : CVE-2025-68359

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: fix double free of qgroup record after failure to add delayed ref head In the previous code it was possible to incur into a double kfree scenario when...

PT-2025-52895

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw related to double freeing of a qgroup record after a failure to add a delayed reference head. Specifically, the issue arises from a double kfree scenario...

kernel: ipv6: mcast: Delay put pmc->idev in mld_del_delrec()

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: Delay put pmc-idev in mlddeldelrec pmc-idev is still used in ip6mcclearsrc, so as mldcleardelrec does, the reference should be put after ip6mcclearsrc return...

PT-2025-37197

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The Linux kernel contains a flaw related to the BTRFS filesystem. Specifically, the issue involves the potential for transaction aborts during balancing operations when encountering...

Linux kernel 资源管理错误漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from an underreported runonedelayedref error...

btrfs: reinitialize delayed ref list after deleting it from the list

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Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a possible null pointer delayed reference issue in the tty component in spkttyiorelease...