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

In the Linux kernel, the following vulnerabilities have been resolved: acpi: nfit: Out-of-bounds read in acpinfitctl. Fixed an issue detected by syzbot with KASAN: BUG: KASAN: Out-of-bounds access using vmalloc in cmdtofunc, drivers/acpi/nfit/core.c:416 inline. BUG: KASAN: Out-of-bounds access...

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

In the Linux kernel, the following vulnerabilities have been resolved: - misc: ibmasm: A flaw in ibmasmhandlemouseinterrupt caused an out-of-bounds MMIO read. ibmasmhandlemouseinterrupt performed an out-of-bounds MMIO read when the queue reader or writer index from hardware exceeded REMOTEQUEUESI...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ntfs3: Fixed an integer overflow in the volume boundary check of rununpack. The volume boundary check lcn + len sbi-used.bitmap.nbits uses a raw addition, which can cause rounding for large values of lcn and len, thereby bypassin...

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 – 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 Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: lan743x: The EEPROM and OTP sizes for PCI1xxxx devices have been modified. The maximum OTP and EEPROM sizes for PCI1xxxx devices are 8 Kb and 64 Kb respectively. The maximum size definitions have been adjusted, and the corre...

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

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Added an array index check for hdcp ddc access. Reason Coverity reports an OVERRUN warning. Do not check if the array index is valid. How Check that the msgid is valid and that the array index is valid...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: HID: hid-thrustmaster: A warning was fixed in thrustmasterprobe by adding an endpoint check. syzbot has identified a type mismatch between a USB pipe and the transfer endpoint, which is triggered by the hid-thrustmaster driver...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: nilfs2: Fixing the use-after-free bug of nswriter when remounting the filesystem. If a nilfs2 filesystem is downgraded to read-only due to metadata corruption on the disk, and it is remounted with read/write access, or if an...

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

In the Linux kernel, the following vulnerability has been resolved: exec: Fix for the issue involving the comparison between permission checks and setuid/gid usage When opening a file for execution using dofilpopen, permission checks are performed based on the file’s metadata at that moment. If t...

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

In the Linux kernel, the following vulnerability has been resolved: udf: The use of uninit-value in udfgetfileshortad has been fixed. A check for overflow was added when calculating alen in udfcurrentaext, to mitigate potential issues with uninit-value usage in udfgetfileshortad. This is related ...

Astra Linux – Vulnerability in sudo

In Sudo version 1.8.29, the fact that a user has been blocked for example, by using the “!” character in the shadow file instead of a password hash was not taken into consideration. This allows an attacker who has access to a Runas ALL sudoer account to impersonate any blocked user. NOTE: The...

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

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Enforce hcall result buffer validity and size. Functions like plparhcall, plparhcall9, and related functions expect callers to provide valid result buffers of a certain minimum size. Currently, this is only...

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

In the Linux kernel, the following vulnerability has been resolved: virtiopmem: Check the device status before requesting flushing. If a PMEM device is in an invalid state, the driver could wait indefinitely for the host acknowledgment in virtiopmemflush, causing the system to hang. Therefore, a...

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

In the Linux kernel, the following vulnerabilities have been resolved: tipc: Fixed a null-ptr-deref issue when acquiring the remote IP address for an Ethernet bearer. Reproduction steps: 1. Create a tun interface. 2. Enable the L2 bearer. 3. Use TIPCNLUDPGETREMOTEIP with a media name set to “tun”...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: transportipc: Validate the payload size before reading the handle. The handleresponse function dereferences the payload as a 4-byte handle without verifying that the declared payload size is at least 4 bytes. A malformed o...

Astra Linux – Vulnerability in freerdp3

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.0, a client-side heap buffer overflow occurred in the FreeRDP client’s AVC420/AVC444 YUV-to-RGB conversion process. This issue arose due to a lack of validation of the horizontal bounds of the H.264 metablock...

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 – 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 – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: can: gsusb: gsusbreceivebulkcallback: Check actuallength before accessing the header. The driver expects to receive a struct gshostframe in gsusbreceivebulkcallback. Use structgroup to describe the header of the struct gshostfram...