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: rcu/rcuscale: The kfreescalethread threads is stopped after unloading the rcuscale module. Running the ‘kfreercutest’ test case results in a fatal error. The root cause is that the kfreescalethread threads continues to run after...

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: “IB/isert: Fix incorrect release of isert connection” The commit with the ID 699826f4e30a “IB/isert: Fix incorrect release of isert connection” is causing problems when DEVICEREMOVAL occurs in OPA. ------------ Cut here...

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: Bluetooth: Fixed a potential use-after-free when using clear keys. Similar to the commit c5d2b6fa26b5 "Bluetooth: Fixed a use-after-free in hciremoveltk/hciremoveirk". We cannot access k after the kfreercu call...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ATA: libata-transport: fixed the double call to atahostput in atatportadd In the error path in atatportadd, when calling putdevice, atatportrelease is called. This function decreases the refcount of ‘ap-host’. Then, atahostput is...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: The calltrace warning in amddrmbuddyfini has been fixed. The following call trace was observed when the amdgpu driver was removed. This issue arises because the BOs allocated for psp are not freed until the driver is...

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: AppArmor: Fixed a race condition related to dereferencing rawdata. There is a race condition that leads to a “use-after-free” situation. Since the rawdata inodes are not counted for their references, an attacker can start opening...

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: memstick: rtsxusbms: Fixed a slab-use-after-free issue in rtsxusbmsdrvremove. This fix resolves the following crash: ================================================================== BUG: KASAN: slab-use-after-free in...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Staging: greybus: audiohelper: Remove unused and incorrect usage of debugfs. In the greybus audiohelper code, the debugfs file related to dapm has the potential to be removed, and memory may be leaked. There is also a high...

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: batman-adv: fixed a panic that occurred during the removal of an interface. Reference counting is used to ensure that batadvhardifneighnode and batadvhardiface are not freed before/during the completion of...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/restrack: Fixed potential invalid address access issues. The kernname of the struct rdmarestrackentry was set to KBUILDMODNAME in ibcreatecq. If the module exits but forgets to remove this rdmarestrackentry, it could lead...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: i2c: piix4: Fix the issue where the adapter is not removed in piix4remove. In piix4probe, the piix4 adapter will be registered using piix4probe. This involves calling piix4addadapterssb800 or piix4addadapter. Both functions are...

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: serial/pmaczilog: The flawed mitigation for rx irq flood has been removed. The mitigation was intended to completely stop the irq. This might be better than a hard lock-up, but it turns out that a crash still occurs if pmaczilog ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsocket: The WARNONONCE message was removed when the maximum cgroup level was set. By default, the maximum depth of a cgroup is INTMAX. There’s a setting that allows restricting this maximum depth to a more reasonabl...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: i40e: Fixed a kernel crash during module removal The driver incorrectly releases the client instance, and subsequent removal of the i40e module leads to a kernel crash. Reproducing the issue: 1. Perform an offline ethtool test...

Astra Linux – Vulnerability in Linux, Linux 5.10

A use-after-free flaw was discovered in ncirequest in net/nfc/nci/core.c within the NFC Controller Interface NCI in the Linux kernel. This flaw could allow a local attacker with user privileges to cause a data race issue while the device is being removed, leading to a privilege escalation...

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: USB: uas: Fixing the URB unmapping issue when the UAS device is removed during ongoing data transfer When a UAS device is unplugged during data transfer, there is a possibility of a system panic occurring. The root cause is...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/panel/panel-sitronix-st7701: Remove the panel when DSI attachment fails. In the event that mipidsiattach fails, call drmpanelremove to avoid a memory leak...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A use-after-free flaw was identified due to a race between the superblock operations in the gadgetfs Linux driver. This flaw could be triggered by removing a device that is running the gadgetfs side...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: In tcpconnrequest, do not call reqskfastopenremove. The syzbot reported the following issue in tcpconnrequest: 0 If a listener is closed while a TFO socket is being processed in tcpconnrequest, inetcskreqskqueueadd does not set...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net: dsa: ocelot: The function dsatag8021qunregister is called under rtnllock when removing a driver. When the currently used tagging protocol is “ocelot-8021q”, and we unbind the driver, we encounter this error: bash $ echo...