CVE-2025-71078

CVE-2025-71078 describes a Linux kernel fix for a SLB multihit issue on hash MMU POWERPC 64s. The root cause is a mismatch between the hardware SLB and the software preload cache when the kernel optimizes switch_mm_irqs_off by not calling switch_mmu_context() if prev and next mm_struct are the sa...

CVE-2025-71069 f2fs: invalidate dentry cache on failed whiteout creation

In the Linux kernel, the following vulnerability has been resolved: f2fs: invalidate dentry cache on failed whiteout creation F2FS can mount filesystems with corrupted directory depth values that get runtime-clamped to MAXDIRHASHDEPTH. When RENAMEWHITEOUT operations are performed on such...

CVE-2025-71069

In the Linux kernel, the following vulnerability has been resolved: f2fs: invalidate dentry cache on failed whiteout creation F2FS can mount filesystems with corrupted directory depth values that get runtime-clamped to MAXDIRHASHDEPTH. When RENAMEWHITEOUT operations are performed on such...

CVE-2025-71069

CVE-2025-71069 concerns a race/consistency flaw in F2FS when performing RENAME_WHITEOUT on directories with corrupted depth values. The kernel can partially modify the on-disk directory entry before f2fs_add_link fails, leaving a stale dentry cache (new_dentry points to an inode whose i_nlink was...

CVE-2025-71069 f2fs: invalidate dentry cache on failed whiteout creation

In the Linux kernel, the following vulnerability has been resolved: f2fs: invalidate dentry cache on failed whiteout creation F2FS can mount filesystems with corrupted directory depth values that get runtime-clamped to MAXDIRHASHDEPTH. When RENAMEWHITEOUT operations are performed on such...

CVE-2025-68821 fuse: fix readahead reclaim deadlock

In the Linux kernel, the following vulnerability has been resolved: fuse: fix readahead reclaim deadlock Commit e26ee4efbc79 "fuse: allocate ff-releaseargs only if release is needed" skips allocating ff-releaseargs if the server does not implement open. However in doing so, fusepreparerelease now...

CVE-2025-68821 fuse: fix readahead reclaim deadlock

In the Linux kernel, the following vulnerability has been resolved: fuse: fix readahead reclaim deadlock Commit e26ee4efbc79 "fuse: allocate ff-releaseargs only if release is needed" skips allocating ff-releaseargs if the server does not implement open. However in doing so, fusepreparerelease now...

CVE-2025-68809

In the Linux kernel, the following vulnerability has been resolved: ksmbd: vfs: fix race on mflags in vfscache ksmbd maintains delete-on-close and pending-delete state in ksmbdinode-mflags. In vfscache.c this field is accessed under inconsistent locking: some paths read and modify mflags under...

CVE-2025-68809

CVE-2025-68809 — ksmbd race on m_flags in vfs_cache (Linux kernel) A data race was present in ksmbd_inode->m_flags (delete-on-close and pending-delete flags) due to inconsistent locking in vfs_cache.c. Some paths read/modify m_flags under ci->m_lock, others did not, risking lost or inconsis...

CVE-2025-68809 ksmbd: vfs: fix race on m_flags in vfs_cache

In the Linux kernel, the following vulnerability has been resolved: ksmbd: vfs: fix race on mflags in vfscache ksmbd maintains delete-on-close and pending-delete state in ksmbdinode-mflags. In vfscache.c this field is accessed under inconsistent locking: some paths read and modify mflags under...

CVE-2025-68809 ksmbd: vfs: fix race on m_flags in vfs_cache

In the Linux kernel, the following vulnerability has been resolved: ksmbd: vfs: fix race on mflags in vfscache ksmbd maintains delete-on-close and pending-delete state in ksmbdinode-mflags. In vfscache.c this field is accessed under inconsistent locking: some paths read and modify mflags under...

CVE-2025-68796

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid updating zero-sized extent in extent cache As syzbot reported: F2FS-fs loop0: updateextenttreerange: extent len is zero, type: 0, extent 0, 0, 0, age 0, 0 ------------ cut here ------------ kernel BUG at...

CVE-2025-68796 f2fs: fix to avoid updating zero-sized extent in extent cache

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid updating zero-sized extent in extent cache As syzbot reported: F2FS-fs loop0: updateextenttreerange: extent len is zero, type: 0, extent 0, 0, 0, age 0, 0 ------------ cut here ------------ kernel BUG at...

CVE-2025-68796 f2fs: fix to avoid updating zero-sized extent in extent cache

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid updating zero-sized extent in extent cache As syzbot reported: F2FS-fs loop0: updateextenttreerange: extent len is zero, type: 0, extent 0, 0, 0, age 0, 0 ------------ cut here ------------ kernel BUG at...

CVE-2025-68796

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid updating zero-sized extent in extent cache As syzbot reported: F2FS-fs loop0: updateextenttreerange: extent len is zero, type: 0, extent 0, 0, 0, age 0, 0 ------------ cut here ------------ kernel BUG at...

CVE-2025-68796

The CVE-2025-68796 entry concerns the Linux kernel's f2fs filesystem. A zero-sized extent could be added to the extent cache during error handling in f2fs_zero_range, leading to a potential invalid state observed as a kernel BUG in fs/f2fs/extent_cache.c. The publicly documented fix is to avoid i...

Astra Linux – Vulnerability in bind9

Under certain circumstances, BIND is too lenient when accepting records from answers, allowing an attacker to inject forged data into the cache. This issue affects BIND 9 versions 9.11.0 through 9.16.50, 9.18.0 through 9.18.39, 9.20.0 through 9.20.13, 9.21.0 through 9.21.12, 9.11.3-S1 through...

Astra Linux – Vulnerability in hdf5

A vulnerability classified as problematic was discovered in HDF5 1.14.6. This vulnerability affects the function H5FSsinfoserializenodecb in the file src/H5FScache.c. The exploitation of this vulnerability leads to a heap-based buffer overflow. Local access is required to carry out this attack. T...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to truncate the first page in the error path of f2fstruncate The syzbot reports the following bug: loop0: A change in capacity was detected, from 0 to 40427. F2FS-fs loop0: Incorrect SSA boundaries: start at 3584, end a...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: smb: Client: Fixed the smbdirectrecvio leak in the smbdnegotiate error path. During tests of another unrelated patch, I was able to trigger this error: Objects remaining on kmemcacheshutdown...