UBUNTU-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 btrfs: don't free qgroup space unless specified

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-2023-54139 tracing/user_events: Ensure write index cannot be negative

In the Linux kernel, the following vulnerability has been resolved: tracing/userevents: Ensure write index cannot be negative The write index indicates which event the data is for and accesses a per-file array. The index is passed by user processes during write calls as the first 4 bytes. Ensure...

CVE-2023-54139 tracing/user_events: Ensure write index cannot be negative

In the Linux kernel, the following vulnerability has been resolved: tracing/userevents: Ensure write index cannot be negative The write index indicates which event the data is for and accesses a per-file array. The index is passed by user processes during write calls as the first 4 bytes. Ensure...

CVE-2023-54139

CVE-2023-54139: In the Linux kernel, the tracing/user_events path was fixed to ensure the write index used for per-file event data cannot be negative. The vulnerability could allow out-of-bounds access if a signed index is provided via write() (first 4 bytes). The fix returns -EINVAL to reject ne...

CVE-2023-54132 erofs: stop parsing non-compact HEAD index if clusterofs is invalid

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-2023-54132

Mode C: The CVE-2023-54132 issue affects the EROFS file system in the Linux kernel: erofs stops parsing non-compact HEAD index when clusterofs is invalid, which can trigger a local privilege/denial-like fault via a crafted image and cause a kernel page fault. The vulnerability was addressed in ke...

CVE-2023-54132 erofs: stop parsing non-compact HEAD index if clusterofs is invalid

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-2023-54092 KVM: s390: pv: fix index value of replaced ASCE

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pv: fix index value of replaced ASCE The index field of the struct page corresponding to a guest ASCE should be 0. When replacing the ASCE in s390replaceasce, the index of the new ASCE should also be set to 0. Having t...

CVE-2023-54092 KVM: s390: pv: fix index value of replaced ASCE

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pv: fix index value of replaced ASCE The index field of the struct page corresponding to a guest ASCE should be 0. When replacing the ASCE in s390replaceasce, the index of the new ASCE should also be set to 0. Having t...

CVE-2022-50781 amdgpu/pm: prevent array underflow in vega20_odn_edit_dpm_table()

In the Linux kernel, the following vulnerability has been resolved: amdgpu/pm: prevent array underflow in vega20odneditdpmtable In the PPODEDITVDDCCURVE case the "inputindex" variable is capped at 2 but not checked for negative values so it results in an out of bounds read. This value comes from...

CVE-2022-50737

CVE-2022-50737 : Linux kernel NTFS3 filesystem vulnerability in ntfs_security_init() (fs/ntfs3/fsntfs.c) where improper handling could lead to a use-after-free during NTFS security initialization. The issue stems from insufficient validation of the NTFS index roots used for security initializatio...

CVE-2022-50737 fs/ntfs3: Validate index root when initialize NTFS security

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-2022-50737 fs/ntfs3: Validate index root when initialize NTFS security

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-2023-54063 fs/ntfs3: Fix OOB read in indx_insert_into_buffer

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fix OOB read in indxinsertintobuffer Syzbot reported a OOB read bug: BUG: KASAN: slab-out-of-bounds in indxinsertintobuffer+0xaa3/0x13b0 fs/ntfs3/index.c:1755 Read of size 17168 at addr ffff8880255e06c0 by task...

CVE-2023-54050 ubifs: Fix memleak when insert_old_idx() failed

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...

CVE-2023-54050

In CVE-2023-54050, the Linux kernel ubifs code had a memleak on failure of insert_old_idx() during znode handling. The repro path shows: dirty_cow_znode -> zn = copy_znode(...) -> err = insert_old_idx(...); if (unlikely(err)) return ERR_PTR(err); The leak occurs for the copied znode when th...

CVE-2023-54031

In the Linux kernel, the following vulnerability has been resolved: vdpa: Add queue index attr to vdpanlpolicy for nlattr length check The vdpanlpolicy structure is used to validate the nlattr when parsing the incoming nlmsg. It will ensure the attribute being described produces a valid nlattr...

CVE-2023-53988

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fix slab-out-of-bounds read in hdrdeletede Here is a BUG report from syzbot: BUG: KASAN: slab-out-of-bounds in hdrdeletede+0xe0/0x150 fs/ntfs3/index.c:806 Read of size 16842960 at addr ffff888079cc0600 by task...

CVE-2023-53988

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fix slab-out-of-bounds read in hdrdeletede Here is a BUG report from syzbot: BUG: KASAN: slab-out-of-bounds in hdrdeletede+0xe0/0x150 fs/ntfs3/index.c:806 Read of size 16842960 at addr ffff888079cc0600 by task...