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: Wifi: rtl8xxxu: Added cancelworksync for c2hcmdwork. The workqueue may still be running when the driver is stopped. To avoid a use-after-free, call cancelworksync in rtl8xxxustop...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: bnx2fc: Flush destroywork queue before calling bnx2fcinterfaceput The bnx2fcdestroy function removes the interface before calling destroywork. This causes multiple WARNings from sysfsremovegroup, as the controller rport...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: L2CAP: Fixed a deadlock in l2capconndel. The l2capconndel function calls canceldelayedworksync for both infotimer and idaddrtimer while holding conn-lock. However, the functions l2capinfotimeout and...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: ath12k – Fixed deadlock during the flushing of management frames The commit 1 converted the management transmission work item into a wiphy work item. Since a wiphy work item can only run under wiphy lock protection, a race...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: e1000: Moved cancelworksync to avoid deadlock. Previously, e1000down called cancelworksync for the e1000 reset task via e1000downandstop, which caused a RTNL condition. According to user reports and syzbot, a deadlock may occur i...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: fix use-after-free caused by uec-work The delayed work uec-work is scheduled in gaokunucsiprobe but never properly canceled in gaokunucsiremove. This creates use-after-free scenarios where the ucsi and gaokunucs...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: nvme-tcp: fixed a possible use-after-free issue in the transport errorrecovery mechanism. While nvmetcpsubmitasynceventwork checks the ctrl and queue states before preparing the AER command and scheduling iowork, this check is...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Cancel pending work when closing a MIDI substream When closing a USB MIDI output substream, there may still be pending work. This work would eventually access the rawmidi runtime object that is being released. To...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: fixed a possible memory leak in smb2lock. argv needs to be freed when setupasyncwork fails, or when the current process is awakened...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Input: appletouch – Initialize work before device registration. Syzbot has reported a warning in flushwork. This warning occurs due to work-func == NULL, which indicates that work initialization was missed. This issue can occur...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: PCI/DOE: Fixed the race involving destroyworkonstack. The following debug object splat was observed during testing: ODEBUG: Freeing an active object active state 0: 0000000097d23782; Object type: workstruct; Hint:...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: qedi: Fixed a use-after-free bug in qediremove. In qediprobe, we call qediprobe, which initializes &qedi-recoverywork with qedirecoveryhandler and &qedi-boarddisablework with qediboarddisablework. When...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: iio: trigger: sysfs: fix use-after-free on remove Ensure that the irqwork has completed before the trigger is freed. ================================================================== BUG: KASAN: use-after-free in irqworkrunli...

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: nfp: flower: handling of actinetdevs allocation failures The kmallocarray function in nfpfllagdowork will return null if physical memory runs out. As a result, if we dereference actinetdevs, null pointer dereferencing bugs may...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: HID: mcp-2221 – prevented UAF in delayed work. If the device is plugged/unplugged without giving time for mcpinitwork to complete, we might trigger the devm free code path, resulting in an unavailable struct mcp2221 during delaye...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: HID: corsair-void: Update power supply values using a unified work handler. The function corsairvoidprocessreceiver can be called from an interrupt context. However, locking the batterymutex in this function caused a kernel panic...

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: crypto: API – Use a work queue in cryptoDestroyInstance. The function cryptoDropSpawn is expected to be called from the process context. However, when an instance is not registered while it still has active users, the last user m...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: nvme-tcp: fixed UAF Use-after-Free issues when detecting digest errors. We should also exit the iowork loop when setting rdenabled to true, so that we do not attempt to read data from the socket when the TCP stream is already...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: At the ata module, the issue with libata: the pending work is cancelled after clearing deferredqc. Syzbot reported a WARNON in atascsideferredqcwork, caused by ap-ops-qcdefer returning a non-zero value before issuing the deferred...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Thermal: The race that occurs during the removal of the thermal zone during resume can be avoided. Since thermalzonepmComplete and thermalzonedeviceresume reinitialize the delayed work of pollqueue for the given thermal zone,...