CVE-2026-45899

In the Linux kernel, the following vulnerability has been resolved: ext4: drop extent cache when splitting extent fails When the split extent fails, we might leave some extents still being processed and return an error directly, which will result in stale extent entries remaining in the extent...

CVE-2026-45892

In the Linux kernel, the following vulnerability has been resolved: ext4: drop extent cache after doing PARTIALVALID1 zeroout When splitting an unwritten extent in the middle and converting it to initialized in ext4splitextent with the EXT4EXTMAYZEROOUT and EXT4EXTDATAVALID2 flags set, it could...

Linux Distros Unpatched Vulnerability : CVE-2026-45899

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ext4: drop extent cache when splitting extent fails When the split extent fails, we might leave some extents still being processed and return an error directly,...

Linux Distros Unpatched Vulnerability : CVE-2026-45858

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ext4: don't zero the entire extent if EXT4EXTDATAPARTIALVALID1 When allocating initialized blocks from a large unwritten extent, or when splitting an unwritten...

CVE-2026-45912

In the Linux kernel, the following vulnerability has been resolved: ext4: don't cache extent during splitting extent Caching extents during the splitting process is risky, as it may result in stale extents remaining in the status tree. Moreover, in most cases, the corresponding extent block entri...

Linux Distros Unpatched Vulnerability : CVE-2026-45912

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ext4: don't cache extent during splitting extent Caching extents during the splitting process is risky, as it may result in stale extents remaining in the statu...

PT-2026-43947

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ocfs2 module where direct I/O DIO operations can lead to credit exhaustion in JBD2 Journaling Block Device, resulting in system warnings. This occurs during the...

PT-2026-43852

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ext4 file system when allocating blocks during within-EOF Direct I/O DIO and writeback with dioread nolock enabled. When splitting a large unwritten extent, the ex...

CVE-2026-34961

barebox prior to version 2026.04.0 contains out-of-bounds read vulnerabilities in ext4 extent parsing due to missing validation of the ehentries field against buffer capacity in fs/ext4/ext4common.c. Attackers can supply a malicious ext4 filesystem image via USB, SD card, or network boot to trigg...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: zoned: fix extent range end unlock in cowfilerange Running generic/751 on the for-next branch often results in a hang like below. Both issues involve locking an extent, suggesting that someone may have forgotten to unlo...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: We can avoid a panic if the extenttree is not created. This patch prevents the following panics: pc: lookupextenttree+0xd8/0x760 lr: f2fsdowritedatapage+0x104/0x87c sp: ffffffc010cbb3c0 x29: ffffffc010cbb3e0 x28:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: added an missing RCU unlock in the error path in tryreleasesubpageextentbuffer. Call rcureadlock before exiting the loop in tryreleasesubpageextentbuffer, because there is a rcureadunlock call after the loop. This issue wa...

Astra Linux – Vulnerability in imagemagick

Due to a missing check for the 0 value of replaceextent, it is possible for the offset p to overflow in SubstituteString, potentially affecting application availability. This issue can be triggered by an input file crafted with ImageMagick. The flaw affects ImageMagick versions prior to 7.0.8-68...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: Split the initial and dynamic conditions for extentcache. We need to allocate the extentcache tree without dynamic conditions to avoid a panic caused by a missing condition as described below. Create a file with a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: Protect folio::private when attaching an extent buffer for folios BUG Since version 6.8, several people have reported rare kernel crashes. The common cause is incorrect page status error messages like this: BUG: Incorrect...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: The release path was called before initializing the extent tree in btrfsreadlocked inode. In btrfsreadlocked inode, we call btrfsinitfileextenttree while holding a lock on a read-locked leaf of the subvolume tree...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: fixed incorrect splitting in btrfsdropextentmaprange. In production, we encountered various WARNON messages in the extentmap code, specifically in btrfsdropextentmaprange, when we had to call addextentmapping for our secon...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: fixed a race condition in readextentbufferpages There are reports from tree-checker that detect corrupted nodes, without any obvious pattern—possibly due to an overwrite in memory. After some debugging, it turned out that...

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...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: Replace BTRFSMAXEXTENTSIZE with fsinfo-maxextentsize. In a zoned filesystem, data writing is limited by maxzoneAppendSize. A large ordered extent is split according to the size of a bio. On the other hand, the number of...