Unity Linux 20.1070e Security Update: kernel (UTSA-2025-989319)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989319 advisory. In the Linux kernel, the following vulnerability has been resolved: jfs: fix slab-out-of-bounds read in eaget During the sizecheck label in eaget, the code checks i...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-988972)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-988972 advisory. In the Linux kernel, the following vulnerability has been resolved: f2fs: remove WARNON in f2fsisvalidblkaddr Syzbot triggers two WARNs in f2fsisvalidblkaddr and...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989995)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989995 advisory. In the Linux kernel, the following vulnerability has been resolved: driver core: Fix waitfordeviceprobe & deferredprobetimeout interaction Mounting NFS rootfs was...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-988984)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-988984 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: filter out EXT4FCREPLAY from on-disk superblock field sstate The EXT4FCREPLAY bit in...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-988911)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-988911 advisory. In the Linux kernel, the following vulnerability has been resolved: ovl: fix warning in ovlcreatereal Syzbot triggered the following warning in ovlworkdircreate -...

Unity Linux 20.1050e Security Update: kernel (UTSA-2025-990134)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990134 advisory. In the Linux kernel, the following vulnerability has been resolved: fs/jfs: Add validity check for dbmaxag and dbagpref Both dbmaxag and dbagpref are used as the ind...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990383)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990383 advisory. In the Linux kernel, the following vulnerability has been resolved: ovl: Filter invalid inodes with missing lookup function Add a check to the ovldentryweird functio...

Exploit for CVE-2015-1328

CVE-2015-1328 Proof of Concept A Proof of Concept PoC explo...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: The loop device’s block size should not be updated under exclusive control of the device owner. Syzbot introduced a scenario where the block size of a loop device was changed within a mounted file system. This caused a mismatch...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fs: Relaxing the assertions when encoding file handles fails Encoding file handles is typically performed via a filesystem method called encodefh, which may fail for various reasons. Legacy users of exportfsencodefh—such as nfsd...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix for unbuffered write error handling If all the subrequests in an unbuffered write stream fail, the subrequest collector does not update the stream-transferred value, and it retains its initial LONGMAX value...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: f2fs: vmunmapram may be called from an invalid context When testing F2FS with xfstests using UFS-backed virtual disks, the kernel sometimes reports that f2fsreleasedecompmem calls vmunmapram from an invalid context. An example...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fixed an assertion issue when building the free space tree. When building the free space tree with the block group tree feature enabled, an assertion failure may occur like this: BTRFS info device loop0 state M: rebuilding...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fixed a race condition between rename operations and directory logging. We have a race condition between a rename operation and directory inode logging. If this race condition occurs, and the system crashes or loses power...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ext4: Only dirty folio entries are marked when regular files are journaled. The fstest generic/388 test occasionally causes a crash that appears as follows: BUG: The kernel dereferes a NULL pointer; address: 0000000000000000… …...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: f2fs: added a sanity check on sitbitmapsize. With the above testcase, resizing will generate a corrupted image that contains inconsistent metadata. Therefore, when mounting such an image, it will trigger a kernel panic. Steps to...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: f2fs: fixed the sanity check on sbi-totalvalidblockcount. syzbot reported a f2fs bug as follows: ------------ cut here ------------ Kernel BUG at fs/f2fs/f2fs.h:2521! RIP: 0010:decvalidblockcount+0x3b2/0x3c0 fs/f2fs/f2fs.h:2521...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: fixed to avoid out-of-boundary access in the dnode page. As reported by Jiaming Zhang: dumpstack lib/dumpstack.c:94 inline dumpstacklvl+0x1c1/0x2a0 lib/dumpstack.c:120 printaddressdescription mm/kasan/report.c:378 inline...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: The folio mapping is checked after unlocking in relocateonefolio. When we call btrfsreadfolio to update a folio, we unlock the folio. As a result, another thread can modify the mapping such as removing it using invalidate...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: fs/nfs/read: fixed the double-unlock bug in nfsreturnemptyfolio. Sometimes, when a file was read while it was being truncated by another NFS client, the kernel could become deadlocked because foliounlock was called twice, and the...