Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: btrfs: fixed an inode list leak during backref walking at resolveindirectrefs During backref walking, at resolveindirectrefs, if an error occurs, we jump to the ‘out’ label and call freeleaflist on the ‘parents’ ulist. This frees...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fixed an issue where inode lists were leaked during backref walking in findparentnodes. During backref walking, when findparentnodes is called, if we are dealing with a data extent and an error occurs while resolving...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: replaced BUGON with error handling in updaterefforcow. Instead of using BUGON, simply return an error, log an error message, and abort the transaction if we encounter an extent buffer belonging to the relocation tree th...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: Additional debug information will be output if an inline backref cannot be found. BUG Syzbot reported several warnings that were triggered within the function lookupInlineExtentBackref. CAUSE As usual, the reproducer of th...

PT-2026-104976

In the Linux kernel, the following vulnerability has been resolved: btrfs: tree-checker: validate names in ROOT REF and ROOT BACKREF ROOT REF and ROOT BACKREF items contain a struct btrfs root ref followed by the subvolume name. Several readers assume that this layout is already valid and then us...

ROS-20260825-73-0020

The vulnerability of the lookupInlineextentbackref function in the fs/btrfs/extent-tree.c file of the Linux kernel operating system involves the exposure of confidential information. Exploiting this vulnerability could allow an attacker to cause a service failure...

GHSA-JFM3-95JQ-Q3RF league/commonmark: Denial of service via duplicate footnote definitions

Impact The Footnote extension records one backref per footnote reference and then appends the entire backref list for every footnote definition block in the document, without ever de-duplicating or removing repeated definitions of the same label GatherFootnotesListener, populated by...

CLSA-2026-1778020045 binutils: Fix of CVE-2021-3826

CVE-2021-3826: fix heap/stack buffer overflow in dlanglname libiberty d-demangle.c via missing length check in dlangsymbolbackref...

CLSA-2026-1777465067 binutils: Fix of CVE-2021-3826

CVE-2021-3826: fix heap/stack buffer overflow in libiberty d-demangle dlangsymbolbackref...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-006990)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006990 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: output extra debug info if we failed to find an inline backref BUG Syzbot reported several...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013156)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013156 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: output extra debug info if we failed to find an inline backref BUG Syzbot reported several...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006693)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006693 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: output extra debug info if we failed to find an inline backref BUG Syzbot reported several...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006680)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006680 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: fix inode list leak during backref walking at findparentnodes During backref walking, at...

The vulnerability of the lookupInlineExtentBackRef() function in the fs/btrfs/extent-tree.c file of the Linux kernel file system allows a attacker to cause a service failure.

The vulnerability of the lookupInlineextentbackref function in the fs/btrfs/extent-tree.c file of the Linux kernel operating system involves the exposure of confidential information. Exploiting this vulnerability could allow an attacker to cause a service failure...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-004899)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004899 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: fix inode list leak during backref walking at resolveindirectrefs During backref walking, ...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-004521)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004521 advisory. An issue was discovered in the Linux kernel before 5.8. lib/nlattr.c allows attackers to cause a denial of service unbounded recursion via a nested Netlink policy wi...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-992839)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992839 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: fix inode list leak during backref walking at findparentnodes During backref walking, at...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-992733)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992733 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: fix inode list leak during backref walking at resolveindirectrefs During backref walking, ...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992374)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992374 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: fix inode list leak during backref walking at findparentnodes During backref walking, at...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992552)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992552 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: fix inode list leak during backref walking at resolveindirectrefs During backref walking, ...