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

In the Linux kernel, the following vulnerabilities have been resolved: ext4: Fixed a slab-use-after-free in ext4splitextentat. We encountered the following use-after-free issues: BUG: KASAN: slab-use-after-free in ext4splitextentat+0xba8/0xcc0 Read of size 2 at addr ffff88810548ed08 by task...

SUSE CVE-2026-68442

In the Linux kernel, the following vulnerability has been resolved: btrfs: don't propagate EXTENTFLAGLOGGING to split extent maps When btrfsdropextentmaprange splits an extent map, the new split maps inherit the original map's flags through a local 'flags' variable. Commit f86f7a75e2fb "btrfs: us...

CVE-2026-68442

In the Linux kernel, the following vulnerability has been resolved: btrfs: don't propagate EXTENTFLAGLOGGING to split extent maps When btrfsdropextentmaprange splits an extent map, the new split maps inherit the original map's flags through a local 'flags' variable. Commit f86f7a75e2fb "btrfs: us...

DEBIAN-CVE-2026-68442

In the Linux kernel, the following vulnerability has been resolved: btrfs: don't propagate EXTENTFLAGLOGGING to split extent maps When btrfsdropextentmaprange splits an extent map, the new split maps inherit the original map's flags through a local 'flags' variable. Commit f86f7a75e2fb "btrfs: us...

CVE-2026-68442 btrfs: don't propagate EXTENT_FLAG_LOGGING to split extent maps

In the Linux kernel, the following vulnerability has been resolved: btrfs: don't propagate EXTENTFLAGLOGGING to split extent maps When btrfsdropextentmaprange splits an extent map, the new split maps inherit the original map's flags through a local 'flags' variable. Commit f86f7a75e2fb "btrfs: us...

CVE-2026-68442

In the Linux kernel, the following vulnerability has been resolved: btrfs: don't propagate EXTENTFLAGLOGGING to split extent maps When btrfsdropextentmaprange splits an extent map, the new split maps inherit the original map's flags through a local 'flags' variable. Commit f86f7a75e2fb "btrfs: us...

CVE-2026-68442

In the Linux kernel, the following vulnerability has been resolved: btrfs: don't propagate EXTENTFLAGLOGGING to split extent maps When btrfsdropextentmaprange splits an extent map, the new split maps inherit the original map's flags through a local 'flags' variable. Commit f86f7a75e2fb "btrfs: us...

EUVD-2026-57050

In the Linux kernel, the following vulnerability has been resolved: btrfs: don't propagate EXTENTFLAGLOGGING to split extent maps When btrfsdropextentmaprange splits an extent map, the new split maps inherit the original map's flags through a local 'flags' variable. Commit f86f7a75e2fb "btrfs: us...

SUSE CVE-2026-45858

In the Linux kernel, the following vulnerability has been resolved: ext4: don't zero the entire extent if EXT4EXTDATAPARTIALVALID1 When allocating initialized blocks from a large unwritten extent, or when splitting an unwritten extent during end I/O and converting it to initialized, there is...

SUSE 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...

SUSE 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...

AZL-88668 CVE-2026-45899 affecting package kernel for versions less than 6.6.139.1-1

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-2026-45899

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...

AZL-88581 CVE-2026-45892 affecting package kernel for versions less than 6.6.139.1-1

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...

CVE-2026-45912

CVE-2026-45912 – Linux kernel ext4 caching during extent splitting . The issue affects the ext4 file system in the Linux kernel where, during ext4_split_extent_at(), the kernel may cache or mishandle extents while splitting, potentially leaving a hole in the extent status tree and causing space a...

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-2026-45899

CVE-2026-45899 is a Linux kernel/ext4 issue where, if a split extent operation fails, stale extent entries may remain in the extent status tree. The fix requires dropping all of the potentially stale extents when the split fails to prevent inconsistent metadata. Exploitation details are not provi...

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-2026-45899 ext4: drop extent cache when splitting extent fails

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-2026-45899 ext4: drop extent cache when splitting extent fails

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...