Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: NFSv4: Do not hold the layoutget locks across multiple RPC calls When performing layoutget as part of the open compound, we must be careful to release the layout locks before calling any further RPC calls, such as setattr. The...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: f2fs: Synchronize atomic write aborts To address the race condition between atomic write aborts, I use the inode lock and ensure that the COW inode can be reused throughout the entire lifetime of the atomic file inode...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ocfs2: Fix for defragmentation path triggering jbd2 assertion. Code paths: - ocfs2ioctlmoveextents - ocfs2moveextents - ocfs2defragextent - ocfs2moveextent - + ocfs2journalaccessdi - + ocfs2splitextent // Sub-path calls...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: jfs: fixed an array-index-out-of-bounds issue in diNewExt Syz report UBSAN: array-index-out-of-bounds in fs/jfs/jfsimap.c:2360:2 Index -878706688 is out of range for the type 'struct iagctl128' CPU: 1 PID: 5065 Comm:...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fixed a NULL pointer dereferencing issue in gfs2rgrpdump. Syzkaller reported a NULL pointer dereferencing issue when accessing rgd-rdrgl in gfs2rgrpdump. This can occur when creating rgd-rdgl fails in readrindexentry. A NUL...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bfs: Reconstructing the file type when loading from disk syzbot reports that the SIFMT bits of the inode-imode field can become invalid when: 1. The 32-bit “mode” field loaded from disk is corrupted; 2. The 32-bit “attributes”...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: jfs: fixed an invalid free of JFSIPipimap-iimap in diUnmount. syzbot detected an invalid-free in diUnmount: BUG: KASAN: double-free in slabfree at mm/slub.c:3661 inline BUG: KASAN: double-free in kmemcachefree+0x71/0x110 at...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: NFSD: Fixed the behavior of the READ operation near OFFSETMAX. Dan Aloni reports: Due to commit 8cfb9015280d “NFS: Always provide aligned buffers to RPC read layers” on the client, a read of 0xfff is aligned up to the server’s...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Handled the chunk tree lookup error in btrfsrelocatesyschunks. The unhandled case in the btrfsrelocatesyschunks loop is a corruption. This can only occur under two impossible conditions: - First, the search key is set t...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cifs: Prevent NULL dereferencing in cifscomposemountoptions. The optional @ref parameter may contain a NULL nodename. Therefore, prevent dereferencing it in cifscomposemountoptions. Address-Coverity: 1476408 „Explicit NULL...

Astra Linux – Vulnerability in Linux, Linux 5.10

A issue was discovered in fs/nfs/dir.c in the Linux kernel before version 5.16.5. If an application sets the ODIRECTORY flag and attempts to open a regular file, nfsatomicopen performs a regular lookup. If a regular file is found, ENOTDIR should be returned; however, the server instead returns...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fs: ntfs3: fixed an infinite loop in attrloadrunsrange when there are inconsistencies in metadata. We have identified a bug in the ntfs3 file system where a malformed NTFS image can cause an infinite loop. This occurs when an...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cifs: A memory leak was fixed when using fscache. If the condition “index == nextcached” is encountered, a reference count of the struct page is leaked. This issue is fixed by using readaheadfolio, which handles the reference cou...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: F2FS: fixed potential corruption when moving a directory. F2FS also has the same issue in ext4rename, which causes a crash, as revealed by xfstests/generic/707. See also commit 0813299c586b “ext4: Fix possible corruption when...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: xfs: Check for deleted cursors when revalidating two btrees. The free space and inode btree repair functions will rebuild both btrees at the same time. After that, it is necessary to evaluate both btrees to confirm that the...

Astra Linux – Vulnerability in ntfs-3g

A properly crafted NTFS image can cause a heap-based buffer overflow in ntfs inodelookupbyname in NTFS-3G 2021.8.22...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fix the race condition between the quota enable operation and the quota rescan ioctl call. When enabling quotas, in the btrfsquotaenable function, after committing the transaction, we update fsinfo-quotaroot to point to th...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fixed a NULL pointer dereferencing in gfs2logFlush. In gfs2jindexfree, sdp-sdjdesc was set to NULL under the log flush lock to prevent dereferencing of sdp-sdjdesc during gfs2logFlush. In gfs2logFlush, it was checked whethe...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Check the folio pointer to ensure it is not NULL. It can become NULL if the bbmap function is called...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: nfs4: Fixed a memory leak when allocating slots failed. If one of the slot allocations fails, all other allocated slots should be cleaned up. Otherwise, the allocated slots will cause a leak: - Unreferenced object...