Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ocfs2: Clearing the extent cache after moving/defragmenting extents The extent map cache can become stale when extents are moved or defragmented, causing subsequent operations to see outdated extent flags. This triggers a BUGON i...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-000220)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000220 advisory. fs/btrfs/volumes.c in the Linux kernel before 5.1 allows a btrfsverifydevextents NULL pointer dereference via a crafted btrfs image because fsdevices-devices is...

PT-2026-8136

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel's btrfs implementation related to handling inline extents during the send operation. Specifically, the range is hole in parent function does not...

PT-2026-27721

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A logic error exists in the drbd al begin io nonblock function within the Linux kernel’s DRBD module. The issue arises from a potential failure in lc get cumulative while holding the...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-992973)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992973 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: avoid use-after-free in ext4extshowleaf In ext4findextent, path may be freed by error or be...

SUSE CVE-2022-50730

In the Linux kernel, the following vulnerability has been resolved: ext4: silence the warning when evicting inode with dioreadnolock When evicting an inode with default dioreadnolock, it could be raced by the unwritten extents converting kworker after writeback some new allocated dirty blocks. It...

PT-2026-43815

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory leak occurs in the ext4 ext shift extents function. When the extent is NULL within the while loop, the function returns immediately without releasing the path acquired through t...

EUVD-2023-60324

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix incorrect splitting in btrfsdropextentmaprange In production we were seeing a variety of WARNON's in the extentmap code, specifically in btrfsdropextentmaprange when we have to call addextentmapping for our second spli...

UBUNTU-CVE-2023-54121

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix incorrect splitting in btrfsdropextentmaprange In production we were seeing a variety of WARNON's in the extentmap code, specifically in btrfsdropextentmaprange when we have to call addextentmapping for our second spli...

PT-2025-53034

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains an issue within the ext4 subsystem related to inode eviction with dioread nolock. Specifically, a warning could occur when evicting an inode, potentially due to...

Linux Distros Unpatched Vulnerability : CVE-2023-54121

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: fix incorrect splitting in btrfsdropextentmaprange In production we were seeing a variety of WARNON's in the extentmap code, specifically in...

PT-2025-53148

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel related to ext4 quota handling. Specifically, a bug in the es tree search function can occur due to a bad quota inode. This issue arises when the inode...

EUVD-2025-203741

In the Linux kernel, the following vulnerability has been resolved: ext4: add idatasem protection in ext4destroyinlinedatanolock Fix a race between inline data destruction and block mapping. The function ext4destroyinlinedatanolock changes the inode data layout by clearing EXT4INODEINLINEDATA and...

CVE-2025-68261

CVE-2025-68261 affects the Linux kernel’s ext4 filesystem. The fix adds i_data_sem protection to ext4_destroy_inline_data_nolock() to close a race between destroying inline data and block mapping. Without protection, ext4_ind_map_blocks() may receive an inode with EXT4_INODE_EXTENTS set, triggeri...

CVE-2025-68261

In the Linux kernel, the following vulnerability has been resolved: ext4: add idatasem protection in ext4destroyinlinedatanolock Fix a race between inline data destruction and block mapping. The function ext4destroyinlinedatanolock changes the inode data layout by clearing EXT4INODEINLINEDATA and...

Oracle Linux 8 / 9 : Unbreakable Enterprise kernel (ELSA-2025-28048)

The remote Oracle Linux 8 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2025-28048 advisory. - netfilter: nftables: reject duplicate device on updates Pablo Neira Ayuso Orabug: 38744086 CVE-2025-38678 - PCI: rcar: Demote WARN to...

The vulnerability of the ext4_ext_binsearch_idx function in the lwext4 library allows a hacker to cause a service failure.

The vulnerability of the ext4extbinsearchidx function in the lwext4 library, related to reading beyond the array when processing damaged metadata of extent trees, occurs during the analysis of a specially crafted ext4 image. Exploitation of this vulnerability could allow an attacker to cause...

DEBIAN-CVE-2022-50638

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bugon in estreesearch caused by bad boot loader inode We got a issue as fllows: ================================================================== kernel BUG at fs/ext4/extentsstatus.c:203! invalid opcode: 0000 1 PREEMP...

CVE-2022-50638

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bugon in estreesearch caused by bad boot loader inode We got a issue as fllows: ================================================================== kernel BUG at fs/ext4/extentsstatus.c:203! invalid opcode: 0000 1 PREEMP...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: vfs: Don't leak disconnected dentries on umount CVE-2025-40105 In the Linux kernel, the following vulnerability has been resolved: ext4: detect invalid INLINEDATA + EXTENTS flag combination CVE-2025-40167 In the...