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

In the Linux kernel, the following vulnerabilities have been resolved: usb-storage: alauda: Fixed an issue where an uninitialized value was used in alaudacheckmedia. Syzbot reported that KMSAN complained about accessing an uninitialized value within the alauda subdriver of usb-storage. Bug: KMSAN...

Astra Linux – Vulnerability in Ruby-Rack

Rack is a modular Ruby web server interface. Prior to versions 2.2.23, 3.1.21, and 3.2.6, Rack::Static used a simple string prefix check to determine whether a request should be served as a static file. When configured with URL prefixes like "/css", it matched any request path that began with tha...

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 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 vulnerabilities have been resolved: ASoC: SOF: Added bounds checking to firmware data. Smatch complains that “head-fullsize – head-headersize” can cause underflow. To some extent, we will always have to trust the firmware. However, it’s easy to add checks for...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: dpaa2-switch: validate numifs to prevent out-of-bounds write The driver obtains swattr.numifs from the firmware via dpswgetattributes, but never validates it against DPSWMAXIF 64. This value controls the iteration in...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: can: ctucanfd: handle skb allocation failure If the skb allocation fails, the pointer to struct canframe becomes NULL. This issue is actually handled everywhere within ctucanerrinterrupt, except for the only place where it is not...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: fs/ntfs3: Enhanced the attribute size check This combines the overflow and boundary check so that all attribute sizes will be properly examined during enumeration. 169.181521 BUG: KASAN: Slab-out-of-bounds in...

Astra Linux – Vulnerability in xwayland, xorg-server

A flaw was discovered in the Big Requests extension. The length of the request is multiplied by 4 before checking against the maximum allowed size, which may lead to an integer overflow and bypassing the size check...

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

In the Linux kernel, the following vulnerabilities have been resolved: i40e: Do not use the WQMEMRECLAIM flag for the workqueue. The issue was reported by a customer during SRIOV testing. When both the i40e and i40iw drivers are loaded, a warning is triggered in the checkFlushDependency function...

Astra Linux – Vulnerability in util-linux

util-linux is a collection of Linux utilities. Prior to version 2.41.4, a TOCTOU Time-of-Check-Time-of-Use vulnerability was identified in the SUID binary /usr/bin/mount from util-linux. When the mount binary sets up loop devices, it validates the source file path with user privileges using fork ...

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

In the Linux kernel, the following vulnerability has been resolved: ocfs2: A strict bound check was performed before using memcmp in ocfs2xattrfindEntry. The xattr function in ocfs2 might be “non-indexed”, which requires additional space for storage. It’s better to check whether the memory is out...

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

In the Linux kernel, the following vulnerabilities have been resolved: fs/jfs: Added validation for dbmaxag and dbagpref. Both dbmaxag and dbagpref are used as indexes for the dbagfree array. However, there is currently no validation for these values, which can lead to errors. The following is a...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: jfs: fixed an array-index-out-of-bounds read in addmissingindices. stbl is an s8 type, but it must contain offsets into slots that can range from 0 to 127. A bound check was added for this error, and the error -EIO is returned if...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mptcp: A stricter state check has been added in mptcpworker. According to Christoph, the mptcp protocol can run the worker when the relevant msk socket is in an unexpected state: c connect // Incoming reset + fastclose // The mpt...

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: Bluetooth: L2CAP – Fixed issue where multiple L2CAPECREDCONNREQUESTs were accepted. Currently, the code attempts to accept requests regardless of the command identifier. This can result in multiple requests being marked as pendin...

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: net/sched: Abort tcmodifyqdisc if parent class does not exist Lion’s patch 1 uncovered an ancient bug in the qdisc API. Whenever a user creates or modifies a qdisc with another qdisc as its parent, the qdisc API will detect that...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: mt76: Fixed possible out-of-band OOB access in mt76connac2macwritetxwi80211. Check the frame length before accessing the mgmt fields in mt76connac2macwritetxwi80211 in order to avoid possible OOB access. Fix: Also check...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Fixed NULL pointer dereferencing in trytoregistercard. In trytoregistercard, the return value of usbifnumtoif is passed directly to usbinterfaceclaimed without a NULL check. This can lead to a NULL pointer...