CVE-2026-80534

In the Linux kernel, the following vulnerability has been resolved: xfs: fix ilock leak on error in xfsdqgetnextid xfsdqgetnextid takes the quota inode ILOCK before calling xfsireadextents. If xfsireadextents fails, the function returns immediately without releasing the lock, leaking the quota...

UBUNTU-CVE-2026-80532

In the Linux kernel, the following vulnerability has been resolved: xfs: fix another iunlink infinite loop bug in online fsck xrepiunlinkresolvebucket is supposed to reconstruct as much of the incore prev and next unlinked list pointers based on what it finds on disk and in memory before we move ...

UBUNTU-CVE-2026-80529

In the Linux kernel, the following vulnerability has been resolved: xfs: don't swallow dquot recovery verification errors xlogrecoverdquotcommitpass2 validates the recovered dquot with xfsdqblkverify and, on failure, sets error = -EFSCORRUPTED and jumps to outrelease. But outrelease unconditional...

CVE-2026-80538

CVE-2026-80538 affects the XFS filesystem in the Linux kernel. The function xfs_rtginode_ensure() incorrectly treats all errors returned by xfs_rtginode_load() other than -ENOENT as success, which can leave the realtime group inode unset after an I/O, allocation, or corruption error. The growfs u...

CVE-2026-80537

CVE-2026-80537 is an off-by-one error in the Linux kernel's XFS filesystem, specifically in the realtime refcount btree root level validation. The functions xfs_rtrefcountbt_verify() and xfs_iformat_rtrefcount() use > instead of >= when checking the on-disk root level, allowing a crafted XF...

CVE-2026-80537

In the Linux kernel, the following vulnerability has been resolved: xfs: fix off-by-one in rtrefcount btree root level validation xfsrtrefcountbtcomputemaxlevels sets mp-mrtrefcmaxlevels = mindmaxlevels, rmaxlevels + 1; where the trailing "+ 1" already accounts for the inode-root level, so the...

CVE-2026-80538 xfs: propagate errors from xfs_rtginode_load

In the Linux kernel, the following vulnerability has been resolved: xfs: propagate errors from xfsrtginodeload xfsrtginodeensure treats every xfsrtginodeload error other than -ENOENT as success. This can leave the realtime group inode unset after an I/O, allocation, or corruption error. Growfs th...

CVE-2026-80537 xfs: fix off-by-one in rtrefcount btree root level validation

In the Linux kernel, the following vulnerability has been resolved: xfs: fix off-by-one in rtrefcount btree root level validation xfsrtrefcountbtcomputemaxlevels sets mp-mrtrefcmaxlevels = mindmaxlevels, rmaxlevels + 1; where the trailing "+ 1" already accounts for the inode-root level, so the...

CVE-2026-80538 xfs: propagate errors from xfs_rtginode_load

In the Linux kernel, the following vulnerability has been resolved: xfs: propagate errors from xfsrtginodeload xfsrtginodeensure treats every xfsrtginodeload error other than -ENOENT as success. This can leave the realtime group inode unset after an I/O, allocation, or corruption error. Growfs th...

CVE-2026-80537 xfs: fix off-by-one in rtrefcount btree root level validation

In the Linux kernel, the following vulnerability has been resolved: xfs: fix off-by-one in rtrefcount btree root level validation xfsrtrefcountbtcomputemaxlevels sets mp-mrtrefcmaxlevels = mindmaxlevels, rmaxlevels + 1; where the trailing "+ 1" already accounts for the inode-root level, so the...

CVE-2026-80536

CVE-2026-80536 is an out-of-bounds write in the Linux kernel's XFS filesystem , specifically in xlog_recover_do_reg_buffer() during mount-time log recovery. The destination offset and buffer size are both attacker-controlled but only bounded by an ASSERT() that compiles away on production kernels...

CVE-2026-80536 xfs: bounds-check buffer log item's dirty bitmap

In the Linux kernel, the following vulnerability has been resolved: xfs: bounds-check buffer log item's dirty bitmap xlogrecoverdoregbuffer replays each dirty region described by a buffer log item's bitmap into the buffer read for that item: memcpyxfsbufoffsetbp, uintbit ribufi.iovbase, nbits...

CVE-2026-80536 xfs: bounds-check buffer log item's dirty bitmap

In the Linux kernel, the following vulnerability has been resolved: xfs: bounds-check buffer log item's dirty bitmap xlogrecoverdoregbuffer replays each dirty region described by a buffer log item's bitmap into the buffer read for that item: memcpyxfsbufoffsetbp, uintbit ribufi.iovbase, nbits...

CVE-2026-80535

CVE-2026-80535 affects the Linux kernel XFS file system. The dirtree scrubber can detect a directory that refers to itself; in that case, the directory tree repair code incorrectly attempts to iolock/ilock both sc->ip and dp, which are the same inode, resulting in a double-lock . The fix detec...

CVE-2026-80534

CVE-2026-80534 is a lock-leak bug in the XFS filesystem of the Linux kernel. The function xfs_dq_get_next_id() acquires the quota inode ILock before calling xfs_iread_extents() ; if that call fails, the function returns early without releasing the lock, leaving the quota inode permanently locked....

CVE-2026-80534 xfs: fix ilock leak on error in xfs_dq_get_next_id

In the Linux kernel, the following vulnerability has been resolved: xfs: fix ilock leak on error in xfsdqgetnextid xfsdqgetnextid takes the quota inode ILOCK before calling xfsireadextents. If xfsireadextents fails, the function returns immediately without releasing the lock, leaking the quota...

CVE-2026-80535 xfs: don't double-lock when deleting a self-referential directory

In the Linux kernel, the following vulnerability has been resolved: xfs: don't double-lock when deleting a self-referential directory LOLLM notices that the dirtree scrubber can detect a directory that refers to itself. In this case, it's not correct for the directory tree repair code to try to...

CVE-2026-80534 xfs: fix ilock leak on error in xfs_dq_get_next_id

In the Linux kernel, the following vulnerability has been resolved: xfs: fix ilock leak on error in xfsdqgetnextid xfsdqgetnextid takes the quota inode ILOCK before calling xfsireadextents. If xfsireadextents fails, the function returns immediately without releasing the lock, leaking the quota...

CVE-2026-80533 xfs: don't walk off the end of a null sc->sa.agi_bp in AGI repair

In the Linux kernel, the following vulnerability has been resolved: xfs: don't walk off the end of a null sc-sa.agibp in AGI repair LOLLM noticed a longstanding bug where xrepiunlinkwalkondiskbucket tries to walk ragi-sc-sa.agibp to rebuild the unlinked inode lists. Unfortunately, it's possible f...

CVE-2026-80533

CVE-2026-80533 is a Linux kernel bug in the XFS filesystem's AGI repair path. The function xrep_iunlink_walk_ondisk_bucket walks ragi->sc->sa.agi_bp to rebuild unlinked inode lists, but agi_bp can be null if the buffer verifier fails, causing an out-of-bounds walk. The fix substitutes ragi-...