EUVD-2023-60276

In the Linux kernel, the following vulnerability has been resolved: ubifs: Fix memleak when insertoldidx failed Following process will cause a memleak for copied up znode: dirtycowznode zn = copyznodec, znode; err = insertoldidxc, zbr-lnum, zbr-offs; if unlikelyerr return ERRPTRerr; // No one...

EUVD-2022-55799

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Avoid UBSAN error on truesectorsperclst syzbot reported UBSAN error as below: 76.901829 T6677 ================================================================================ 76.903908 T6677 UBSAN: shift-out-of-bounds i...

EUVD-2022-55806

In the Linux kernel, the following vulnerability has been resolved: udf: Avoid double brelse in udfrename syzbot reported a warning like below 1: VFS: brelse: Trying to free free buffer WARNING: CPU: 2 PID: 7301 at fs/buffer.c:1145 brelse+0x67/0xa0 ... Call Trace: invalidatebhlru+0x99/0x150...

CVE-2023-54151

In the Linux kernel, the following vulnerability has been resolved: f2fs: Fix system crash due to lack of free space in LFS When f2fs tries to checkpoint during foreground gc in LFS mode, system crash occurs due to lack of free space if the amount of dirty node and dentry pages generated by data...

CVE-2023-54132

In the Linux kernel, the following vulnerability has been resolved: erofs: stop parsing non-compact HEAD index if clusterofs is invalid Syzbot generated a crafted image 1 with a non-compact HEAD index of clusterofs 33024 while valid numbers should be 0 lclustersize-1, which causes the following...

CVE-2023-54127

In the Linux kernel, the following vulnerability has been resolved: fs/jfs: prevent double-free in dbUnmount after failed jfsremount Syzkaller reported the following issue: ================================================================== BUG: KASAN: double-free in slabfree mm/slub.c:3787 inline...

CVE-2023-54062

In the Linux kernel, the following vulnerability has been resolved: ext4: fix invalid free tracking in ext4xattrmovetoblock In ext4xattrmovetoblock, the value of the extended attribute which we need to move to an external block may be allocated by kvmalloc if the value is stored in an external...

CVE-2022-50770

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix memory leak in ocfs2mountvolume There is a memory leak reported by kmemleak: unreferenced object 0xffff88810cc65e60 size 32: comm "mount.ocfs2", pid 23753, jiffies 4302528942 age 34735.105s hex dump first 32 bytes: 10 ...

CVE-2022-50747

In the Linux kernel, the following vulnerability has been resolved: hfs: Fix OOB Write in hfsasc2mac Syzbot reported a OOB Write bug: loop0: detected capacity change from 0 to 64 ================================================================== BUG: KASAN: slab-out-of-bounds in...

CVE-2022-50753

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on summary info As Wenqing Liu reported in bugzilla: https://bugzilla.kernel.org/showbug.cgi?id=216456 BUG: KASAN: use-after-free in recoverdata+0x63ae/0x6ae0 f2fs Read of size 4 at addr...

CVE-2023-54158

In the Linux kernel, the following vulnerability has been resolved: btrfs: don't free qgroup space unless specified Boris noticed in his simple quotas testing that he was getting a leak with Sweet Tea's change to subvol create that stopped doing a transaction commit. This was just a side effect o...

CVE-2022-50770

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix memory leak in ocfs2mountvolume There is a memory leak reported by kmemleak: unreferenced object 0xffff88810cc65e60 size 32: comm "mount.ocfs2", pid 23753, jiffies 4302528942 age 34735.105s hex dump first 32 bytes: 10 ...

CVE-2022-50747

In the Linux kernel, the following vulnerability has been resolved: hfs: Fix OOB Write in hfsasc2mac Syzbot reported a OOB Write bug: loop0: detected capacity change from 0 to 64 ================================================================== BUG: KASAN: slab-out-of-bounds in...

UBUNTU-CVE-2023-54077

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fix memory leak if ntfsreadmft failed Label ATTRROOT in ntfsreadmft sets isroot = true and ni-niflags |= NIFLAGDIR, then next attr will goto label ATTRALLOC and alloc ni-dir.allocrun. However two states are not always...

CVE-2022-50737

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Validate index root when initialize NTFS security This enhances the sanity check for $SDH and $SII while initializing NTFS security, guarantees these index root are legit. 162.459513 BUG: KASAN: use-after-free in...

CVE-2023-54158

Summary: CVE-2023-54158 affects the Linux kernel’s btrfs implementation, where an optimization in delayed inode handling can improperly free or free-trace qgroup reservations during subvolume creation, leaking reserved space and breaking proper accounting. The root cause involves btrfs_insert_del...

CVE-2023-54125 fs/ntfs3: Return error for inconsistent extended attributes

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Return error for inconsistent extended attributes ntfsreadea is called when we want to read extended attributes. There are some sanity checks for the validity of the EAs. However, it fails to return a proper error code...

CVE-2023-54121 btrfs: fix incorrect splitting in btrfs_drop_extent_map_range

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix incorrect splitting in btrfsdropextentmaprange In production we were seeing a variety of WARNON's in the extentmap code, specifically in btrfsdropextentmaprange when we have to call addextentmapping for our second spli...

CVE-2022-50782 ext4: fix bug_on in __es_tree_search caused by bad quota inode

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bugon in estreesearch caused by bad quota inode We got a issue as fllows: ================================================================== kernel BUG at fs/ext4/extentsstatus.c:202! invalid opcode: 0000 1 PREEMPT SMP...

CVE-2022-50770

Affected software: Linux kernel ocfs2 filesystem code. Issue: memory leak in ocfs2_mount_volume() related to replay_map not freed on error paths, and replay_map memory not freed if d_make_root() fails in ocfs2_fill_super(). Consequence: potential memory leak during mount/recovery of OCFS2 volumes...