CVE-2025-21736

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix possible int overflows in nilfsfiemap Since nilfsbmaplookupcontig in nilfsfiemap calculates its result by being prepared to go through potentially maxblocks == INTMAX blocks, the value in n may experience an overflow...

AZL-57832 CVE-2025-21736 affecting package kernel for versions less than 5.15.179.1-1

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix possible int overflows in nilfsfiemap Since nilfsbmaplookupcontig in nilfsfiemap calculates its result by being prepared to go through potentially maxblocks == INTMAX blocks, the value in n may experience an overflow...

UBUNTU-CVE-2025-21736

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix possible int overflows in nilfsfiemap Since nilfsbmaplookupcontig in nilfsfiemap calculates its result by being prepared to go through potentially maxblocks == INTMAX blocks, the value in n may experience an overflow...

DEBIAN-CVE-2025-21721

In the Linux kernel, the following vulnerability has been resolved: nilfs2: handle errors that nilfspreparechunk may return Patch series "nilfs2: fix issues with rename operations". This series fixes BUGON check failures reported by syzbot around rename operations, and a minor behavioral issue...

CVE-2025-21722

In the Linux kernel, the following vulnerability has been resolved: nilfs2: do not force clear folio if buffer is referenced Patch series "nilfs2: protect busy buffer heads from being force-cleared". This series fixes the buffer head state inconsistency issues reported by syzbot that occurs when...

CVE-2025-21721

In the Linux kernel, the following vulnerability has been resolved: nilfs2: handle errors that nilfspreparechunk may return Patch series "nilfs2: fix issues with rename operations". This series fixes BUGON check failures reported by syzbot around rename operations, and a minor behavioral issue...

DEBIAN-CVE-2025-21722

In the Linux kernel, the following vulnerability has been resolved: nilfs2: do not force clear folio if buffer is referenced Patch series "nilfs2: protect busy buffer heads from being force-cleared". This series fixes the buffer head state inconsistency issues reported by syzbot that occurs when...

UBUNTU-CVE-2025-21721

In the Linux kernel, the following vulnerability has been resolved: nilfs2: handle errors that nilfspreparechunk may return Patch series "nilfs2: fix issues with rename operations". This series fixes BUGON check failures reported by syzbot around rename operations, and a minor behavioral issue...

UBUNTU-CVE-2025-21722

In the Linux kernel, the following vulnerability has been resolved: nilfs2: do not force clear folio if buffer is referenced Patch series "nilfs2: protect busy buffer heads from being force-cleared". This series fixes the buffer head state inconsistency issues reported by syzbot that occurs when...

CVE-2025-21736 nilfs2: fix possible int overflows in nilfs_fiemap()

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix possible int overflows in nilfsfiemap Since nilfsbmaplookupcontig in nilfsfiemap calculates its result by being prepared to go through potentially maxblocks == INTMAX blocks, the value in n may experience an overflow...

CVE-2025-21736

CVE-2025-21736 : In the Linux kernel, nilfs2 may overflow when computing the result of nilfs_fiemap() via nilfs_bmap_lookup_contig() if blocks up to maxblocks == INT_MAX are considered; an overflow can occur due to a left shift on blkbits. The advisory notes the fix is to cast the right-hand expr...

CVE-2025-21736

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix possible int overflows in nilfsfiemap Since nilfsbmaplookupcontig in nilfsfiemap calculates its result by being prepared to go through potentially maxblocks == INTMAX blocks, the value in n may experience an overflow...

CVE-2025-21736 nilfs2: fix possible int overflows in nilfs_fiemap()

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix possible int overflows in nilfsfiemap Since nilfsbmaplookupcontig in nilfsfiemap calculates its result by being prepared to go through potentially maxblocks == INTMAX blocks, the value in n may experience an overflow...

CVE-2025-21722 nilfs2: do not force clear folio if buffer is referenced

In the Linux kernel, the following vulnerability has been resolved: nilfs2: do not force clear folio if buffer is referenced Patch series "nilfs2: protect busy buffer heads from being force-cleared". This series fixes the buffer head state inconsistency issues reported by syzbot that occurs when...

CVE-2025-21722 nilfs2: do not force clear folio if buffer is referenced

In the Linux kernel, the following vulnerability has been resolved: nilfs2: do not force clear folio if buffer is referenced Patch series "nilfs2: protect busy buffer heads from being force-cleared". This series fixes the buffer head state inconsistency issues reported by syzbot that occurs when...

CVE-2025-21722

In the Linux kernel, the following vulnerability has been resolved: nilfs2: do not force clear folio if buffer is referenced Patch series "nilfs2: protect busy buffer heads from being force-cleared". This series fixes the buffer head state inconsistency issues reported by syzbot that occurs when...

CVE-2025-21722

CVE-2025-21722 concerns the NILFS2 filesystem in the Linux kernel. When filesystem corruption triggers a read-only fallback, buffer state inconsistencies can occur: one path is when mark_buffer_dirty() marks data/metadata dirty but the buffer isn’t uptodate, and another path is nilfs_btree_propag...

CVE-2025-21722 nilfs2: do not force clear folio if buffer is referenced

In the Linux kernel, the following vulnerability has been resolved: nilfs2: do not force clear folio if buffer is referenced Patch series "nilfs2: protect busy buffer heads from being force-cleared". This series fixes the buffer head state inconsistency issues reported by syzbot that occurs when...

CVE-2025-21721

CVE-2025-21721 is a Linux kernel vulnerability in the NILFS2 filesystem. The patch series fixes nilfs_prepare_chunk() error handling paths that were previously omitted when rewriting directory entries in nilfs_set_link(), nilfs_delete_entry(), and in the caller nilfs_rename(). The issue allowed e...

CVE-2025-21721 nilfs2: handle errors that nilfs_prepare_chunk() may return

In the Linux kernel, the following vulnerability has been resolved: nilfs2: handle errors that nilfspreparechunk may return Patch series "nilfs2: fix issues with rename operations". This series fixes BUGON check failures reported by syzbot around rename operations, and a minor behavioral issue...