CVE-2026-53029

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: prevent uninitialized lcn caused by zero len syzbot reported a uninit-value in ntfsiomapbegin 1. Since runs was not touched yet, runlookupentry immediately fails and returns false, which makes the value of "len" 0...

CVE-2026-53026

In the Linux kernel, the following vulnerability has been resolved: NFSD: fix nfs4file access extra count in nfsd4addrdaccesstowrdeleg In nfsd4addrdaccesstowrdeleg, if fp-fifdsORDONLY is already set by another thread, nfs4filegetaccess should not be called to increment the nfs4file access count...

CVE-2026-53017

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix data loss caused by incorrect use of natentry flag Data loss can occur when fsync is performed on a newly created file before any checkpoint has been written concurrently with a checkpoint operation. The scenario is as...

CVE-2026-53048

In the Linux kernel, the following vulnerability has been resolved: gfs2: prevent NULL pointer dereference during unmount When flushing out outstanding glock work during an unmount, gfs2logflush can be called when sdp-sdjdesc has already been deallocated and sdp-sdjdesc is NULL. Commit 35264909e9...

CVE-2026-53129

In the Linux kernel, the following vulnerability has been resolved: fs/mbcache: cancel shrink work before destroying the cache mbcachedestroy calls shrinkerfree and then frees all cache entries and the cache itself, but it does not cancel the pending cshrinkwork work item first. If...

CVE-2026-53049

CVE-2026-53049 affects the Linux kernel GFS2 component. The root cause is that gfs2_logd() called log-flushing routines (gfs2_ail1_start(), gfs2_ail1_wait(), gfs2_ail1_empty()) without holding sdp->sd_log_flush_lock, exposing a risk of race conditions with concurrent transactions. The patch in...

EUVD-2026-38916

In the Linux kernel, the following vulnerability has been resolved: gfs2: prevent NULL pointer dereference during unmount When flushing out outstanding glock work during an unmount, gfs2logflush can be called when sdp-sdjdesc has already been deallocated and sdp-sdjdesc is NULL. Commit 35264909e9...

CVE-2026-53048 gfs2: prevent NULL pointer dereference during unmount

In the Linux kernel, the following vulnerability has been resolved: gfs2: prevent NULL pointer dereference during unmount When flushing out outstanding glock work during an unmount, gfs2logflush can be called when sdp-sdjdesc has already been deallocated and sdp-sdjdesc is NULL. Commit 35264909e9...

CVE-2026-53048 gfs2: prevent NULL pointer dereference during unmount

In the Linux kernel, the following vulnerability has been resolved: gfs2: prevent NULL pointer dereference during unmount When flushing out outstanding glock work during an unmount, gfs2logflush can be called when sdp-sdjdesc has already been deallocated and sdp-sdjdesc is NULL. Commit 35264909e9...

CVE-2026-53039

CVE-2026-53039 concerns the Linux kernel OCFS2 code where OCFS2_IOC_GROUP_ADD could trigger a BUG_ON in ocfs2_set_new_buffer_uptodate due to validating the group input too late. The root cause is user-controlled group block being cached before ocfs2_verify_group_and_input() validates it, and impr...

CVE-2026-53039 ocfs2: validate group add input before caching

In the Linux kernel, the following vulnerability has been resolved: ocfs2: validate group add input before caching BUG OCFS2IOCGROUPADD can trigger a BUGON in ocfs2setnewbufferuptodate: kernel BUG at fs/ocfs2/uptodate.c:509! Oops: invalid opcode: 0000 1 SMP KASAN NOPTI RIP:...

CVE-2026-53029

CVE-2026-53029 affects the Linux kernel ntfs3 filesystem. A vulnerability arises from an uninitialized local variable lcn when handling zero-length data during I/O, which could lead to unpredictable behavior and potential information disclosure or DoS. The fix moves the check for a zero value in ...

CVE-2026-53026 NFSD: fix nfs4_file access extra count in nfsd4_add_rdaccess_to_wrdeleg

In the Linux kernel, the following vulnerability has been resolved: NFSD: fix nfs4file access extra count in nfsd4addrdaccesstowrdeleg In nfsd4addrdaccesstowrdeleg, if fp-fifdsORDONLY is already set by another thread, nfs4filegetaccess should not be called to increment the nfs4file access count...

CVE-2026-53018 f2fs: avoid reading already updated pages during GC

In the Linux kernel, the following vulnerability has been resolved: f2fs: avoid reading already updated pages during GC We found the following issue during fuzz testing: page: refcount:3 mapcount:0 mapping:00000000b6e89c65 index:0x18b2dc pfn:0x161ba9 memcg:f8ffff800e269c00 aops:f2fsmetaaops ino:2...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: xfs: removed xfsattrleafhasname The calling convention of xfsattrleafhasname is problematic because it returns a NULL buffer when xfsattr3leafread fails, a valid buffer when xfsattr3leaflookupint returns -ENOATTR or -EEXIST, and ...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: xfs: Only call xfarray,blobdestroy if we have a valid pointer. Only call the xfarray and xfblob destructors if we have a valid pointer, and make sure to null out that pointer afterwards. Note that this patch fixes a large number ...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: xfs: check the return value of xchkscrubcreatesubord. This function should be fixed to return NULL instead of the mangled ENOMEM value. Additionally, the calling functions should be corrected to actually check for a null pointer...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: nfsd: Check that the server is running in unlockfilesystem mode. If we attempt to unlock the filesystem via an administrative interface, and nfsd is not running, it will cause the server to crash. This issue occurs currently...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: NFS: Fixed a deadlock involving nfsreleasefolio Wang Zhaolong reported a deadlock involving NFSv4.1 state recovery, waiting on kthreadd, which attempts to reclaim memory by calling nfsreleasefolio. The latter cannot proceed due t...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: pNFS: Fixed a deadlock that occurred when returning a delegation during the open function. Ben Coddington reported seeing a hang in the following stack trace: 0 ffffd0b50e1774e0 schedule at ffffffff9ca05415 1 ffffd0b50e177548...