CVE-2026-46094

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bounds check in checkxattrs to prevent out-of-bounds access The bounds check for the next xattr entry in checkxattrs uses void next = end, which allows next to point within sizeofu32 bytes of end. On the next loop...

AZL-88431 CVE-2026-46046 affecting package kernel for versions less than 6.6.141.1-1

In the Linux kernel, the following vulnerability has been resolved: ext4: fix missing brelse in ext4xattrinodedecrefall The commit c8e008b60492 "ext4: ignore xattrs past end" introduced a refcount leak in when blockcsum is false. ext4xattrinodedecrefall calls ext4getinodeloc to get iloc.bh, but...

CVE-2026-46046

In the Linux kernel, the following vulnerability has been resolved: ext4: fix missing brelse in ext4xattrinodedecrefall The commit c8e008b60492 "ext4: ignore xattrs past end" introduced a refcount leak in when blockcsum is false. ext4xattrinodedecrefall calls ext4getinodeloc to get iloc.bh, but...

CVE-2026-45985

In the Linux kernel, the following vulnerability has been resolved: ext4: don't set EXT4GETBLOCKSCONVERT when splitting before submitting I/O When allocating blocks during within-EOF DIO and writeback with dioreadnolock enabled, EXT4GETBLOCKSPREIO was set to split an existing large unwritten...

CVE-2026-45948

In the Linux kernel, the following vulnerability has been resolved: ext4: fix memory leak in ext4extshiftextents In ext4extshiftextents, if the extent is NULL in the while loop, the function returns immediately without releasing the path obtained via ext4findextent, leading to a memory leak. Fix...

AZL-88469 CVE-2026-45942 affecting package kernel for versions less than 6.6.139.1-1

In the Linux kernel, the following vulnerability has been resolved: ext4: fix e4b bitmap inconsistency reports A bitmap inconsistency issue was observed during stress tests under mixed huge-page workloads. Ext4 reported multiple e4b bitmap check failures like: ext4mbcomplexscangroup:2508: group...

CVE-2026-45942

In the Linux kernel, the following vulnerability has been resolved: ext4: fix e4b bitmap inconsistency reports A bitmap inconsistency issue was observed during stress tests under mixed huge-page workloads. Ext4 reported multiple e4b bitmap check failures like: ext4mbcomplexscangroup:2508: group...

CVE-2026-45920

In the Linux kernel, the following vulnerability has been resolved: ext4: fix dirtyclusters double decrement on fs shutdown fstests test generic/388 occasionally reproduces a warning in ext4putsuper associated with the dirty clusters count: WARNING: CPU: 7 PID: 76064 at fs/ext4/super.c:1324...

AZL-88742 CVE-2026-45912 affecting package kernel for versions less than 6.6.139.1-1

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...

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...

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-2026-45892

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...

UBUNTU-CVE-2026-46046

In the Linux kernel, the following vulnerability has been resolved: ext4: fix missing brelse in ext4xattrinodedecrefall The commit c8e008b60492 "ext4: ignore xattrs past end" introduced a refcount leak in when blockcsum is false. ext4xattrinodedecrefall calls ext4getinodeloc to get iloc.bh, but...

UBUNTU-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...

UBUNTU-CVE-2026-46061

In the Linux kernel, the following vulnerability has been resolved: jbd2: fix deadlock in jbd2journalcancelrevoke Commit f76d4c28a46a "fs/jbd2: use sleeping version of findgetblock" changed jbd2journalcancelrevoke to use findgetblocknonatomic which holds the folio lock instead of iprivatelock. Th...

UBUNTU-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...

UBUNTU-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...

UBUNTU-CVE-2026-45948

In the Linux kernel, the following vulnerability has been resolved: ext4: fix memory leak in ext4extshiftextents In ext4extshiftextents, if the extent is NULL in the while loop, the function returns immediately without releasing the path obtained via ext4findextent, leading to a memory leak. Fix...