AZL-83294 CVE-2026-31519 affecting package kernel for versions less than 6.6.134.1-2

In the Linux kernel, the following vulnerability has been resolved: btrfs: set BTRFSROOTORPHANCLEANUP during subvol create We have recently observed a number of subvolumes with broken dentries. ls-ing the parent dir looks like: drwxrwxrwt 1 root root 16 Jan 23 16:49 . drwxr-xr-x 1 root root 24 Ja...

CVE-2026-31465

In the Linux kernel, the following vulnerability has been resolved: writeback: don't block sync for filesystems with no data integrity guarantees Add a SBINODATAINTEGRITY superblock flag for filesystems that cannot guarantee data persistence on sync eg fuse. For superblocks with this flag set, sy...

CVE-2026-31451

In the Linux kernel, the following vulnerability has been resolved: ext4: replace BUGON with proper error handling in ext4readinlinefolio Replace BUGON with proper error handling when inline data size exceeds PAGESIZE. This prevents kernel panic and allows the system to continue running while...

AZL-83357 CVE-2026-31453 affecting package kernel for versions less than 6.6.134.1-2

In the Linux kernel, the following vulnerability has been resolved: xfs: avoid dereferencing log items after push callbacks After xfsaildpushitem calls ioppush, the log item may have been freed if the AIL lock was dropped during the push. Background inode reclaim or the dquot shrinker can free th...

AZL-83339 CVE-2026-31451 affecting package kernel for versions less than 6.6.134.1-2

In the Linux kernel, the following vulnerability has been resolved: ext4: replace BUGON with proper error handling in ext4readinlinefolio Replace BUGON with proper error handling when inline data size exceeds PAGESIZE. This prevents kernel panic and allows the system to continue running while...

AZL-83273 CVE-2026-31449 affecting package kernel for versions less than 6.6.141.1-1

In the Linux kernel, the following vulnerability has been resolved: ext4: validate pidx bounds in ext4extcorrectindexes ext4extcorrectindexes walks up the extent tree correcting index entries when the first extent in a leaf is modified. Before accessing pathk.pidx-eiblock, there is no validation...

CVE-2026-31447

In the Linux kernel, the following vulnerability has been resolved: ext4: reject mount if bigalloc with sfirstdatablock != 0 bigalloc with sfirstdatablock != 0 is not supported, reject mounting it...

CVE-2026-31438

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix kernel BUG in netfslimititer for ITERKVEC iterators When a process crashes and the kernel writes a core dump to a 9P filesystem, kernelwrite creates an ITERKVEC iterator. This iterator reaches netfslimititer via...

CVE-2026-31437

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix NULL pointer dereference in netfsunbufferedwrite on retry When a write subrequest is marked NETFSSREQNEEDRETRY, the retry path in netfsunbufferedwrite unconditionally calls stream-preparewrite without checking if it is...

CVE-2026-31496 netfilter: nf_conntrack_expect: skip expectations in other netns via proc

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrackexpect: skip expectations in other netns via proc Skip expectations that do not reside in this netns. Similar to e77e6ff502ea "netfilter: conntrack: do not dump other netns's conntrack entries via proc"...

CVE-2026-31467

In the Linux kernel, the following vulnerability has been resolved: erofs: add GFPNOIO in the bio completion if needed The bio completion path in the process context e.g. dm-verity will directly call into decompression rather than trigger another workqueue context for minimal scheduling latencies...

CVE-2026-31465 writeback: don't block sync for filesystems with no data integrity guarantees

In the Linux kernel, the following vulnerability has been resolved: writeback: don't block sync for filesystems with no data integrity guarantees Add a SBINODATAINTEGRITY superblock flag for filesystems that cannot guarantee data persistence on sync eg fuse. For superblocks with this flag set, sy...

CVE-2026-31458 mm/damon/sysfs: check contexts->nr before accessing contexts_arr[0]

In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs: check contexts-nr before accessing contextsarr0 Multiple sysfs command paths dereference contextsarr0 without first verifying that kdamond-contexts-nr == 1. A user can set nrcontexts to 0 via sysfs while DAMON is...

CVE-2026-31454 xfs: save ailp before dropping the AIL lock in push callbacks

In the Linux kernel, the following vulnerability has been resolved: xfs: save ailp before dropping the AIL lock in push callbacks In xfsinodeitempush and xfsqmdquotlogitempush, the AIL lock is dropped to perform buffer IO. Once the cluster buffer no longer protects the log item from reclaim, the...

CVE-2026-31451 ext4: replace BUG_ON with proper error handling in ext4_read_inline_folio

In the Linux kernel, the following vulnerability has been resolved: ext4: replace BUGON with proper error handling in ext4readinlinefolio Replace BUGON with proper error handling when inline data size exceeds PAGESIZE. This prevents kernel panic and allows the system to continue running while...

CVE-2026-31451 ext4: replace BUG_ON with proper error handling in ext4_read_inline_folio

In the Linux kernel, the following vulnerability has been resolved: ext4: replace BUGON with proper error handling in ext4readinlinefolio Replace BUGON with proper error handling when inline data size exceeds PAGESIZE. This prevents kernel panic and allows the system to continue running while...

CVE-2026-31451

In the Linux kernel, the following vulnerability has been resolved: ext4: replace BUGON with proper error handling in ext4readinlinefolio Replace BUGON with proper error handling when inline data size exceeds PAGESIZE. This prevents kernel panic and allows the system to continue running while...

CVE-2026-31452

In the Linux kernel, the following vulnerability has been resolved: ext4: convert inline data to extents when truncate exceeds inline size Add a check in ext4setattr to convert files from inline data storage to extent-based storage when truncate grows the file size beyond the inline capacity. Thi...

CVE-2026-31451

CVE-2026-31451: In the Linux kernel ext4_read_inline_folio, BUG_ON was replaced with proper error handling when inline data size exceeds PAGE_SIZE. The fix prevents kernel panics, logs the filesystem corruption via ext4_error_inode(), releases the buffer head to avoid leaks, and returns -EFSCORRU...

CVE-2026-31448 ext4: avoid infinite loops caused by residual data

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid infinite loops caused by residual data On the mkdir/mknod path, when mapping logical blocks to physical blocks, if inserting a new extent into the extent tree fails in this example, because the file system disabled th...