Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: ASoC: SOF: Intel: Fixed NULL pointer dereferencing when ENOMEM occurs. Do not call snddmafreepages when snddmaallocpages returns -ENOMEM, as this can lead to a NULL pointer dereferencing bug. The dmesg indicates the following:...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: enetc: The illegal access issue when reading the affinityhint parameter has been fixed. The irqsetaffinityhit function stores a reference to the cpumaskt parameter in the irqdescriptor. This reference can be accessed later from...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: platform/chrome: crosusbpdnotify: Fixed error handling in crosusbpdnotifyinit. The following warning message was given when using rmmod crosusbpdnotify: “Unexpected driver unregister!” Warning: CPU: 0 PID: 253 at...

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: Tracing: Fixed a race condition between CPU buffer write and swapping. A warning occurred in rbendcommit at the following line of code: if RBWARNONcpubuffer, !localread&cpubuffer-committing WARNING: CPU: 0 PID: 139 at...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: crypto: ccree – Fixed the use of ctxp-user.key after it is freed in cccipherexit. kfreesensitivectxp-user.key will free ctxp-user.key. However, ctxp-userkey is still used in the next line, which will lead to a use after free. We...

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: net: skbuff: The SKBFLSHAREDFRAG bit was not properly propagated through the frag-transfer helpers. Two frag-transfer helpers pskbcopyfclone and skbshift fail to propagate the SKBFLSHAREDFRAG bit in skbshinfo-flags when moving...

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: mm/hugememory: Fixed the issue of dereferencing an invalid PMD migration entry. When migrating a THP, concurrent access to the PMD migration entry during a deferred split scan can lead to an invalid address access, as illustrated...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fs: ntfs3: A integer overflow has been fixed in the rununpack function. The MFT record related to the opened file contains a runlist—an array containing information about the file’s location on the physical disk. Analysis of all...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: btusb: Clamping SCO altsetting table indices The btusbwork function maps the number of active SCO links to USB alternate settings through a three-entry lookup table. When CVSD traffic uses transparent voice settings...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: i2c: tegra: check msg length in SMBUS block read For SMBUS block read, do not continue reading if the message length passed from the device is ‘0’ or greater than the maximum allowed bytes...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: brnetfilter: do not check the confirmed bit in brnflocalin after confirmation. When sending a broadcast packet to a tap device, which is added to a bridge, the brnflocalin function is called to confirm the conntrack. I...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: “net/mlx5: Block entering switchdev mode with ns inconsistency” has been reverted. This reversion is associated with the commit 662404b24a4c4d839839ed25e3097571f5938b9b. The reversion is necessary due to concerns that this issue...

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: nvme-fc: The use of lock access to portstate and rportstate was corrected. nvmefcunregisterremote removes the remote port from an lport object at any time when there is no active association. This issue conflicts with the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net/mlx5: Fixed a deadlock between the devlink lock and esw-wq. esw-workqueue executes eswfunctionschangedeventhandler - eswvfschangedeventhandler acquires the devlink lock. .eswitchmodeset acquires the devlink lock in...

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

In the Linux kernel, the following vulnerabilities have been resolved: ubifs: A memory leak was fixed in allocwbufs. kmemleak reported a series of memory leaks, as follows: - Unreferenced object 0xffff8881575f8400 size 1024: Command: “mount”, PID: 19625, Jiffies: 4297119604 Age: 20.383 seconds He...

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 5.10, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ipv4: Fixed access to uninit-value in ipmakeskb. KMSAN reported access to uninit-value in ipmakeskb. ipmakeskb checks HDRINCL to determine whether the skb contains icmphdr. However, HDRINCL can cause a race condition. If...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: x86/ioapic: Handling allocation failures gracefully Breno observed panics when using failslab under certain conditions during runtime: - can not alloc irqpinlist -1,0,20 - Kernel panic – not syncing: IO-APIC: Failed to add irq-pi...

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: tracing: Fixed an out-of-bounds write in traceseqtobuffer. syzbot reported this bug: ================================================================== Bug: KASAN: Out-of-bounds access in traceseqtobuffer in...

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

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: L2CAP: Fixed a use-after-free in l2capdisconnectreq,rsp. Similar to the issue reported in commit d0be8347c623 "Bluetooth: L2CAP: Fix use-after-free caused by l2capchanput", use l2capchanholdunlesszero to prevent...