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

In the Linux kernel, the following vulnerability has been resolved: media: imon: fix access to invalid resources for the second interface The imon driver probes two USB interfaces. When probing the second interface, the driver assumes blindly that the first interface was bound to the same imon...

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

In the Linux kernel, the following vulnerabilities have been resolved: Squashfs: Check that the inode number is not the invalid value of zero. Syskiller has identified an out-of-bounds access in the fillmetaindex function. This out-of-bounds access occurs because the inode has an inode number of...

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

In the Linux kernel, the following vulnerability has been resolved: fbdev: core: fbcvt: avoid division by 0 in fbcvthperiod In fbfindmodecvt, if mode-refresh happens to be 0x80000000, cvt.frefresh will become 0 when multiplied by 2 due to overflow. This value is then passed to fbcvthperiod, where...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: btrfs: A sanity check for the btrfs root has been added in btrfssearchslot. Syzbot reports a nullptrderef issue in btrfssearchslot. The reproducer uses rescue=ibadroots, and the extent tree root is corrupted; as a result, the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: xfs: Do not wander off the end of a directory data block This fix adds sanity checks for xfsdir2dataunused and xfsdir2dataentry to ensure that the code does not go beyond the valid memory region. Before the patch, the loop simply...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: f2fs: A fix was made to avoid potential memory corruption in updateiostatlatency. A sanity check for iotype was added to prevent potential memory corruption. This addresses the compile error below: fs/f2fs/iostat.c:231...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ath5k: The OOB issue in ath5keepromreadpcalinfo5111 has been fixed. The bug was discovered during fuzzing. The stack trace indicates that the issue lies in ath5keepromconvertpcalinfo5111. When no curve is selected in the loop, th...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: For the mtd:rawnand:fslupm module, a bug in the funexecop function has been fixed. A “off-by-one” test was present in this function. The “op-cs” data is copied into “fun-mchipnumber”, which is used to access the “mchipoffsets” an...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: f2fs: A sanity check was added for the block address in the f2fsdozerorange function. As reported by Yanming in Bugzilla: https://bugzilla.kernel.org/showbug.cgi?id=215894 I have encountered a bug in the F2FS file system in the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: “Revert ‘f2fs: fix to do sanity check on extent cache correctly’” The syzbot reports a bug in f2fs as follows: UBSAN: Array-index-out-of-bounds in fs/f2fs/f2fs.h:3275:19 Index 1409 is out of range for type ‘le32923’ aka ‘unsigned...

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

In the Linux kernel, the following vulnerability has been resolved: Nilfs2: Rejects invalid file types when reading inodes. To prevent inodes with invalid file types from causing malfunctions or assertion failures, a missing sanity check should be added when reading an inode from a block device. ...

Astra Linux – Vulnerability in Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: f2fs: A sanity check was added for the F2FSInlineDATA flag in the inode during garbage collection GC. The syzbot reports the following f2fs bug: ------------ Cut here ------------ Kernel BUG: At fs/f2fs/inline.c:258 CPU: 1 PID: 3...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: RDMA/rtrs-srv: Avoid null pointer deref during path establishment. For RTRS path establishment, the RTRS client initiates and completes connection establishment. After establishing all its connections, information is exchanged...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: A fix was made to perform a sanity check on the destination blkaddr during recovery. As Wenqing Liu reported in Bugzilla: https://bugzilla.kernel.org/showbug.cgi?id=216456 loop5: A change in capacity was detected, from 0...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: f2fs: fixed the sanity check on summary information As Wenqing Liu reported in bugzilla: https://bugzilla.kernel.org/showbug.cgi?id=216456 BUG: KASAN: use-after-free in recoverdata+0x63ae/0x6ae0 f2fs Read of size 4 at addr...

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

In the Linux kernel, the following vulnerabilities have been resolved: Squashfs: sanity check for symbolic link sizes Syzkiller reports a bug named “KMSAN: uninit-value in picklink”. This issue is caused by an uninitialized page, which ultimately results from reading a corrupted symbolic link siz...

Astra Linux – Vulnerability in pillow

A issue was discovered in Pillow before version 8.2.0. PSDImagePlugin.PsdImageFile lacked a sanity check on the number of input layers relative to the size of the data block. This could lead to a denial-of-service attack on Image.open prior to Image.load...

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

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on ixattrnid in sanitycheckinode syzbot reports a kernel bug as below: F2FS-fs loop0: Mounted with checkpoint version = 48b305e4 ================================================================== BUG:...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: md/bitmap: Do not set sb values if the sanity check fails. If the bitmap area contains invalid data, the kernel will crash, and mdadm will trigger a “Segmentation fault”. This is a bug specific to cluster-md. In non-clustered...

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

In the Linux kernel, the following vulnerability has been resolved: ALSA: asihpi: Fixed potential OOB array access The ASIHPI driver stores certain values in a static array in response to a driver’s request. The index of this array depends on the firmware. We should not trust this information...