Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: btrfs: Do not trigger BUGON due to ENOMEM from btrfslookupextentinfo in walkdownproc. We have properly handled errors here. ENOMEM is not fatal; we return the error instead...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fixed an issue where an incorrect return value was returned after changing a leaf in lookupextentdataref. After the commit 1618aa3c2e01 “btrfs: simplified return variables in lookupextentdataref“”, the err and ret variable...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021580)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021580 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: don't BUGON on ENOMEM from btrfslookupextentinfo in walkdownproc We handle errors here...

SUSE CVE-2026-31666

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix incorrect return value after changing leaf in lookupextentdataref After commit 1618aa3c2e01 "btrfs: simplify return variables in lookupextentdataref", the err and ret variables were merged into a single ret variable...

DEBIAN-CVE-2026-31666

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix incorrect return value after changing leaf in lookupextentdataref After commit 1618aa3c2e01 "btrfs: simplify return variables in lookupextentdataref", the err and ret variables were merged into a single ret variable...

CVE-2026-31666

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix incorrect return value after changing leaf in lookupextentdataref After commit 1618aa3c2e01 "btrfs: simplify return variables in lookupextentdataref", the err and ret variables were merged into a single ret variable...

CVE-2026-31666

CVE-2026-31666 affects the Linux kernel’s btrfs filesystem. A defect in lookup_extent_data_ref() caused an incorrect return value when transitioning between leaves, due to merged err/ret handling: if btrfs_next_leaf() returns 0, ret could be overwritten from -ENOENT to 0, making a non-matching ke...

EUVD-2026-25559

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix incorrect return value after changing leaf in lookupextentdataref After commit 1618aa3c2e01 "btrfs: simplify return variables in lookupextentdataref", the err and ret variables were merged into a single ret variable...

CVE-2026-31666 btrfs: fix incorrect return value after changing leaf in lookup_extent_data_ref()

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix incorrect return value after changing leaf in lookupextentdataref After commit 1618aa3c2e01 "btrfs: simplify return variables in lookupextentdataref", the err and ret variables were merged into a single ret variable...

PT-2026-35018

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix incorrect return value after changing leaf in lookup extent data ref After commit 1618aa3c2e01 "btrfs: simplify return variables in lookup extent data ref", the err and ret variables were merged into a single ret...

btrfs: don't BUG_ON() when 0 reference count at btrfs_lookup_extent_info()

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UBUNTU-CVE-2024-46841

In the Linux kernel, the following vulnerability has been resolved: btrfs: don't BUGON on ENOMEM from btrfslookupextentinfo in walkdownproc We handle errors here properly, ENOMEM isn't fatal, return the error...

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 Linux kernel that stems from improper error handling when handling errors in btrfslookupextentinfo...

CVE-2024-46751

In the Linux kernel, the following vulnerability has been resolved: btrfs: don't BUGON when 0 reference count at btrfslookupextentinfo Instead of doing a BUGON handle the error by returning -EUCLEAN, aborting the transaction and logging an error message...